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Патент USA US2403882

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July 9, 1946.
w, THOMAS
2,403,882
AMMUNITION CONVEYER
Original Filed Aug. 25, 1936
?l lm
5 Sheets-Sheet 1
= ia
df/v/
/ INVENTOR
WILLIAM THpMAs
ATTORNEY
July 9, 1946.
W. THOMAS
2,403,882
_
AMMUNITION GONVEYER
Original Filed Aug. 25, 1936
5 Sheets-Sheet 2
'
INVENTOR,
WILLIAM THOMAS
BY
M
ATTORNEY
'
July 9, 1946.
w. THOMAS
2,403,882 >
AMMUNITION CONVEYER
Original Filed Aug. 25, 1936
36
5 Sheets-Sheet 3
‘3
140
158
INVENTOR
WILLIAM 'T'HoMAs
BYWZW
ATTORN EY
July 9, 1946.
w, THQMAS
'
2,403,882
AMMUNITION CONVEYER
Original Filed Aug. 25, 1936
5 Sheets-Sheet 4
/
INVENTOR
'
WILLIAM T'HoMAs v
BY
,,
,__
ATTORNEY
w. THOMAS
2,403,882
AMMUNITION CONVEYER
Original Filed Aug. 25, 1936 ' 5 Sheets-Sheet 5
,
V
37
v“
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INVENTOR
-
WIL'LIAM THOMAS
ATTORNEY
Patented July 9, 1946
2,403,882
UNITED STATES PATENT- oFHcE *
William Thomas, Waterbury, Conn, assignor to: >
The Waterbury Tool Company, Waterbury,
Conn., a corporation of Connecticut
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ApplicationAugust 25, 1936, Serial No; 97,801' ,
Renewed October 28; 1939
1
19Claims. (ores-46% 1'
This invention relates to power transmissions
and more particularly to a conveyer for deliver-_
ing articles from one station to another wherein
a ?re hazard is present at one station and in
which it is desired to prevent the possibility of
?ame transmission between the two stations at
2
the hoist must be'provided‘with' its own‘indea
pendent drive mechanism._ ‘Furthermore addi
tional crew is required for handling ammunition
at the transfer station, which not only increases.’
the number of men required for eachgun .to be
?red but’ presentsalso a retarding element in
all times, while permitting the continued pas
the delivery of ammunition since it .introduces "
sage of articles between the stations. The in
one more place for unavoidable human errors
vention is particularly adapted to delivering am
and‘delays to interfere with the intended opera
munition aboard ship from an ammunition stor 10
age compartment to a position at the guns for
It is an object of the present invention to pro
tionofthehoist.
‘1
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..
use therein, although it will be understood that
vide a conveyer particularly adapted ‘for delivery
the invention may be adapted to other uses
of ammunition directly’ betweenia loading .sta-_
wherein similar conditions and problems are
tion adjacent the magazine ‘andanrunloading
encountered.
15 station adjacent'the gun by which’ammunition
It is customary in war vessels to locate the
may be delivered through a continuous closed
ammunition magazines or storage chambers in
casing, whereby transmission of ?are-backs to.
the lower part of the ship where the possibility
of their contents being exploded by enemy pro
jectiles is most remote. The guns which use the
ammunition being situated on the upper decks of
the ship, either in turrets or on deck mountings,
it is necessary to provide means for conveying
ammunition from the magazine to~a position near
the guns where it may be readily placed in the
guns as needed.
Various types of conveyers have been hereto
fore provided for this purpose and where high
rates of delivery to rapid ?ring guns are re
quired, the so-called dredger type ammunition
hoists have marked advantages over other types
in use. Such a hoist usually comprises an end
less chain conveyer which is encased in a con
tinuous tubular hoist trunk or casing extending
through the ship from the loading station in or
adjacent the magazine to the unloading station
adjacent the gun. This continuous hoist trunk
provides a conduit which introduces the possi
bility of ?ame transmission to the magazine
whenever accidental explosions occur at the gun
or whenever an enemy .projectile explodes in or
near the hoist trunk.
the loading'station ‘may be preventedwithout
requiring an intermediate transferistation: T
It is also an object to provide a conveyer for"
delivering articles between two stations which
are separated by ‘a ‘?ame-proof wall having an.
o'pening'at one station adjacent the conveyer
1 and in which: is incorporated meansv for passingv
251 articles
through the opening. while maintain
ing a ?ame-proof seal at all times.
A further object is to provide a loading vstation
for a, conveyer whereby articles may be'loaded on
the conveyer including means for maintaining a
?ame-proof seal around the conveyer at all
times;
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Further objects and advantages of the present
invention will be apparent from the following
A description, reference being had to the accom
3% panyingy drawings
wherein a preferred form of
the present invention is clearly shown.
In the drawings:
Fig. 1 is a, diagrammatic cross section of a ship
incorporating a preferred'forin of the present
invention.
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Fig'. 215 a partial sectional view on v‘line 2-2
of Fig. 3.
0
In order to break this continuous path for
Fig.3 is a front view of 'a conveyer loading
?ame travel to the magazine, it has been found \ station, portions of the mechanism being broken
necessary heretofore to deliver the ammunition 45 away for clearness.
' V
. v
in two stages by two entirely independent am
Fig. 4 is a diagrammatic view of the driving
munition hoists with a transfer station where
and controlling mechanism for’ the v conveyer
the ammunition is carried manually from the
illustrated in Fig. '1.
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I.
V
delivery end of the lower hoist to the loading
' Fig.5 is a cross section on line 5-5 of Fig. v2'. '
end of the upper hoist. This construction, while
Fig." 6 is ‘a cross section on’ line 6-‘-'6 of Fig. '7.
satisfactory from the standpoint of safety of the
installation and eifectiveness to prevent the
transmission of flare-backs to the magazine,
adds considerably to the weight and cost of- the
installation since each of the two sections of
FigJ'I is across section on line ‘l-lof Fig.2.
Referring now'to Fig. 1 there is indicateddia-V 1 '
grammatically’ a portion of a longitudinalsection
of a war vessel having superimposed decks Ill of
usual construction, the spaces between which are
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2,403,882
3
divided by partitions l2 into suitable compart
ments. Indicated at I4 is a deck gun and at I5
a revolving turret having two or more guns I8
mounted thereon in the usual fashion. Adjacent
the gun I4 is mounted the delivery head 20 of a
dredger type ammunition hoist 2| having a trunk
piston 65 has a portion 11 of larger diameter than
the portion 1| and slidably ?tted in a chamber
19 to which the conduit 55 leads. The bottom
wall of the piston 65 is provided with an opening
forming a clear passage around the stem of valve
45 and having a seat on which the enlarged por
tion 51 of the stem is adapted to rest for the pur
22 extending downwardly through the vessel to
pose of closing this passage. The space inside the
a compartment 24 which may be either a maga
piston 11 communicates with the tank through a
zine compartment for the storage of ammunition
or a handling room adjacent such a compart 10 passage 8| formed in the stem of the valve 45.
At its lower .end the valve stem has a roller 83
ment and in which is located the loading end 25 of
the hoist 2| together with suitable driving mecha
nism for the hoist. In the turret I6 is mounted
a delivery head 26 of a second dredger type am
munition hoist 21 having a trunk 28 extending .
vertically downward to a compartment 30 similar
to the compartment 24, in which is located the
loading end 32 and the necessary driving mecha
acting as a follower for a cam 85. The latter is
connected by a suitable drive means not shown to
the shaft of the sprockets 45 so that the cam 85
makes one revolution while the chain 38 travels
through one ?ight distance. The cam 85 has a
depression in which the roller 83 is shown at
rest. In ‘this position the valve 45 is completely
closed while the valve 51 connects the conduit
nism for the hoist 21. The hoist trunk 28 ‘is
shown secured to the top deck I0 at the center of 20 63 to the pressure line 59 and the conduit 55 to
the tank line (ii. To either side of this depression
rotation of the turret l5 and is stationary rela
are elevated portions ‘81 which hold the valves in
tive to the turret although it will be understood
such a position that the valve 45 is opened toa
that the ammunition hoist 21 may be mounted to
considerable degree while the valve 51 still con
revolve with the turret 15 if desired.
,
nects
conduit 63 with conduit 59 and conduit 65
Referring now to Figs. 2 through '1 wherein the 25
with conduit 6|. The remainder of the periphery
construction of the loading ends 25 and 32 is
of the cam 85 is raised still further so as to com
illustrated in detail, there is shown a casing 34
pletely open the valve 45 and to reverse the con
forming the lower end of the hoist trunk to which
nections at the valve 51. When the valves are
the casing 34 may be tightly sealed at the ?ange
raised to this upper extreme position the valve
35. The casing 34 serves not only to enclose the
stem has been lifted higher than it is possible'to
drive sprockets 46 and hoist chain or conveyer
lift the piston 69, so that the enlarged ‘portion ‘61
band 38, having conveyer lugs 39, but also as a
lifts away from the seat in the bottom Wall of p
the piston 69. The cam 85 and its drive mecha
anism. The latter may be of any suitable con
nism are enclosed in a suitable oil-tight housing
struction. The form of drive mechanism and con 35
nottlkshown, the interior of which is connected to
trol therefor illustrated comprises a fluid motor
mounting for the hoist driving and control mech
ta
.
42 adapted to drive the sprockets 40 through a
The entire arrangement of the control unit v52
worm drive 44. A variable displacement pump 45
is such that whenever a shot of oil is admitted
and auxiliary pump 48 are driven by an electric
through the conduit 56 to the chamber 19, the
motor 50 to supply ?uid to the motor 42 through 40 piston .59 is lifted due to the enlarged portion 61
a control unit 52.
The control unit 52 is con
being on its seat in the bottom wall of the piston
59.’ The piston 69 and both valves 45 and 51 are
accordingly lifted to a position just short of the
highest position to which the cam would lift
in a manner to provide for automatically moving 45
them. Thus the valve 45 is opened and the valve
the hoist chain 38 through one ?ight whenever a
51 is reversed to cause the stroke of the pump 46
starting “short” of fluid from the auxiliary pump
to be increased at a rate determined ‘by the volu
48 is admitted to the device 52 through a control
metric capacity of the auxiliary pump 48. Oil
conduit 55.
is delivered to and returned from the ?uid motor
50
For this purpose the control unit 52 comprises
42 through the conduits 54, 41, and 53, thus caus
a body 41 having a cylindrical bore 43 in which
ing the motor 42 to operate, turning the cam 85.
is mounted a spool valve 45 for the purpose of
The latter will contact the roller 83 after ‘about
blocking or opening the passage of oil between
1A of a revolution when the highest part of the
the conduits 54 and conduits 41. A second cylin
cam strikes the roller 83, thus lifting the valves
55
drical chamber 49 carries a spool valve 5| for the
45 and 51 a further amount. This additional lift
purpose of reversing the ?ow between the con
raises the enlarged portion 51 off from the seat
duits 41 and a pair of conduits 53 which lead to
in the bottom wall of the piston 59,, thus permit
the ?uid motor 42. The body 4| also has at ‘its
ting the oil trapped in the chamber 19 to escape
upper end a bore 55 in which is mounted a spool
through the opening in the bottom wall of the
valve 51 for controlling the stroke regulating fluid
piston 69 and through the passage Bl to tank. As
motor of the pump 45. A conduit 59 extendsfrom
soon as the cam has completed an approximate
the auxiliary pump 48 to the upper end of the
1/2 revolution in addition, theroller 83 drops down
bore 55 while a conduit 5! enters the bore 55 at
to the cam portion 81, thus reversing connections
its mid-portion. The valve 51 is adapted to se
at valve 51 but not completely closing the valve
lectively control and reverse the connections of 65 45. The stroke of the pump 45 is thus reduced at
the conduits 59 and 5! with a pair of conduits
a rate determined by the capacity of» pump 48
63 and 65 leading to oppositerends of the stroke
causing the motor 42 to decelerate. When the
regulating mechanism at the pump 46. The
cam 85 has completed a revolution, the .ro’l1er-'B3_
valves 45 and 51 are formed integrally upon a
returns to the position showriin the. drawings,
common stem having an enlarged portion 61 70; completely closing the valve 45. At this time the
around which is slidably mounted a lift piston
enlarged portion 61 again comes to-rest on its seat
69. The latter has a cylindrical upper portion
in the 'bottom wall of piston 69, thus-placing the
1| slidably ?tted in a chamber 13 which communi
apparatus in condition for restarting whenever
cates with the upper end of the bore 55 through
a passage 15 formed in the spool of valve 51. The 75. another shot of oil; is introduced to; thejconduit
structed to control the displacement of the pump
45 and to control communication between the
pump 45 and the motor 42 through conduits 54
2,403,882
5
56. It will be noted that should a’shotrof oil be
introduced to the conduit 56 before the cam 85 has
made one revolution, the lift piston 69 will not rise
because a free path is opened from the chamber
19 to tank through the passage in which the en
larged portion 61 seats. It will also be noted that
oil pressure from the auxiliary pump is constantly
exerted over the upperv end of the valve 51 creat
ing a bias for the entire stem assembly. in the
ever‘ the trip am “2:13 released‘ by thelug 39.
The trip arm‘ ,I I2-is connected to the. pinion II4_v
through a spring biased lost motion connection‘
illustrated in Figs..6' andr'l.‘ For this‘ purpose the .
arm- II2 has .a hub I28 having a projecting por
tion' I30 thereon. The pinion II4‘has a hub I 32’
surrounding the hub I 28 and provided with a
recessI34 of greater circumferential extent than .
the projection I30. A spring I36 is connected be.
downward direction. Likewiseethis pressure is 10 tween the arm‘ I I2 and the pinion II 4 to'urge the
exerted over the annular area'at the top of the
latter clockwise in‘Figs. 2 and 6. The spring I36
portion H of the lift piston ,69 biasing the latter
is of su?icient strength to predominate over the
downwardly whenever pressure is relieved in the
springs I26 and 90.’
chamber 19 by the opening of the passage through
Pivotally mounted ‘in the casing 34 adjacent
the bottom wall of the piston 69.
The casing 34 is provided on its frontface with;
an outward extension 58 having an- opening60
of proper size and shape to permit a~piece of am-'
munition to pass therethrough. The extension 58
is hinged to the casing at 62 along one edge there
of and is adapted to be clamped in sealing en
gagement therewith by suitable securing means 64.’
The extension 58 is formed with a cylindrical re-'
cess 66 within which is mounted a transfer cyl
inder 68. The cylinder 68 is pivoted on bearings
10 which are in turn mounted on studs 12 threaded
into the extension 58 for permitting assembly of
the cylinder 68 therein. The cylinder 68 is pro
15 the ‘extension v58 are a pair of barriers or ?apper
doors ‘I38 adapted ‘to rest against thesurface‘of! ‘
the cylinder 68. .The doors I38 are of sufficient.
Width to prevent ammunition. from accidentally
falling from the recess 14 on to the conveyer chain
38: when the doors are . in the dotted line . posi
tion. The doors I38 extend the full length of the‘
recess 14 and have-sealing engagement with the
top and bottom walls thereof. The doors I38 are
mounted on pivot shafts I40 which project below
the extension 58 and carry bevel gears I42 mesh
ing with bevel gears I44 secured to the shaft 1 I8. .
Pivotally mounted in the casing‘ 34 adjacent the;
lower edge of the recess 66'at I46 ‘is a lower trip
vided with a recess 14 of suitable shape to receive
a piece of ammunition within the con?nes of the 30 arrnI48 adapted to be depressed by a pieceof
ammunition such as I50 when it is placed in posi
cylinder so that the latter mayrotate between
tion on the hoist chain 38.. The lower'trip I48 is’
the position illustrated and a position 180°- away,
in which the recess 14 is in register with the ‘ connected by an arm I52 to a lower. trip valvev I54
opening 60. Spring retaining clips 16 are secured
in the walls of the recess 14 for frictionally re
taining ammunition in the recess. pAn ejector arm
18 is pivoted at 80 in the cylinder 66 and has-an
operating arm 62 in engagement with apin 84
mounted in a valve block -I'56.;.'An upper tripvalve
I58is also mounted in the block I56 and is adapted
to befactuated by a solenoid I65 which in. turn is
controlled by an upper trip I62 locatediat the;v
delivery end of the hoist. The valve I54 is adapted
A spring
to connect a conduit I64 with a conduit I66 when
a recess 96 so formed that the cylinder 68 with,
communication when the solenoid is deenergized.
on a bar 86 slidable in a bore 88.
90 biases the bar 86 downwardly and the ejector 40 the trip I48 is depressed and to connect conduit
I64with a conduit I68 when the trip I458 is raised.
arm18 toward the back of the recess '14 to lie
The valve I56 is adapted to open-communication
within a suitable recess62 adjacent the recess 14.
between the conduit I64 and the conduit 56 when-_
The lower end of the cylinder 68 has secured
ever the solenoid I60 is energized andto close
thereto a bevel gear 94 which is positioned within
gear 94 attached may be inserted in the extension
58 by laterally sliding the same into: thegrecess
66 from the conveyer chain side thereof when the
extension 56 is swung away frointhecasing 34..
.' Thesolenoid I60 is under the control of-upper
trip I62 through a'three-way switch I10 which'is
connected in circuit with a three-way switch I12
adapted to be actuated by a reversing lever I14:
A bevel gear 98 meshes with the gear _94 and is‘ 501‘_ When the reversing lever I14'is set to hoist am
munition as illustrated in Fig. 4, the switch I12
rigidly secured to a crankshaft I00 mounted in-_
connects the solenoid to the switch I10 so that the a
a bearing “32 and having a handle, I04 whereby
solenoid will be energized whenever the trip I62
the cylinder 68 may be manually rotated. Suit
is released by the removal of ammunition from
able means are provided for limiting the rotation
the delivery end of the hoist. With reverse lever
of the cylinder 66 to 180° and for this purpose
I14 set for lowering ammunition the switch I12
conveniently, the gear 94 may be formed with
connects the solenoid I 60 to the switch I10 for op
blank teeth on a portion of its periphery.
posite action. The lever I14 also controls a‘
The casing 34 is provided below the extension
reversing valve I16 for selectively connecting
58 with an opening I06, sealed by a casing mem
either the conduit I66 or the conduit I68 with a
ber I08. Journalled between the casing 34 and
the casing I08 is a shaft IIO carrying a trip arm 60 conduit I18 leading from the auxiliary pump 48;
as well as controlling. valve 5| for reversing oper
H2 and a pinion H4. The former projects into
the path of the carrying lugs 39 so that in the rest
position of the chain 38 the lug II2 isheld in the
position shown in Fig. 2.
I
I
ation
In operation,
of motor with
42. motor 50, and
. pumps46
‘ » and
A g 48 running, and with the hoist at rest due‘ to the
The pinion II4 meshes with a pinion I I6 se 65' presence of a piece of ammunition at the delivery-I
station, trip I62 keeps the solenoid I60 deenergized'
cured to a shaft I I6 journalled in the casing mem
so that pressure ?uid from the pump 48 is blocked"
ber I08 and extending outwardly on both sides
off from the conduit 55 at the valve I58. Assum
thereof. The shaft I I8 carries an arm I20 con
ing a piece of ammunition to have been ejected‘
nected to a bar I22 slidable in a bore I24 in the
from the recess 14 and to lie on the chain 38 and"
extension 58. Bore 86 and bar 86 are adapted
the lower trip I48; as soon as the ammunition is‘
to register with the bar I22 and the bore I24
removedfrom the delivery station, trip I62 is rewhenever the cylinder 68 lies inthe position il
leased '_to energize solenoid I60 opening valve I58 '
lustrated in the drawings. A spring I26 biases‘
to admit pressure ?uid torthe' conduit 56. It will
the bar I22 downwardly to retract the same when p76 be-noted
that at the instant‘ of starting; ‘the-bar?‘
agoassa
I22 is projected into the bore .88 by the action
of'the trip arm II2 which is engaged by the carry
ing lug 39, so that cylinder 68 is e?ectively locked
against rotation. The control unit 58 in response
to the admission of pressure ?uid to the conduit
56 causes the ?uid motor 42 to drive the sprockets
40 and chain 38 through one ?ight; that is,
through the distance required to bring the next
lug 39 into rest position as illustrated in Fig. 2.
.
engagement of cylinder =68 with the side‘ walls of
the opening 60 is greater than the width of the
recess ‘I4. ‘By this construction it is thus insured.
that the opening through which ammunition is
passed to the hoist chain 38 ‘isimaintained sealed
at all times.
The cylinder‘GB being pivoted on a non-vertical
axis and having a non-symmetrically disposed
center of gravity tends always to assist the oper
ator of the crank. handle I04. Thus, in moving
As soon as the chain 38 starts to move, the trip 10 the empty cylinder from the position, shown, to
arm ‘I I2 is released and springs 90 and 126 force
the bars 86 and I22 downwardly, thus retracting
the ejector arm ‘I8 and withdrawing the bar I22
the position for loading the recess ‘I4, the heaviest
part of the rotating mass is above its center of
If this sequence of operations of the cylinder 68
be completed before the hoist chain 38 has com
plet'ed one ?ight, the ?apper doors I38 will lie in
cylinder 68 relative to that of the ammunition
rotation so that once it is moved off from dead
from the bore 88. The cylinder 68 is thereby un
center, the natural tendency is to rotate to the
locked so that it may be rotated half a ‘revolution 15 position for loading ‘the recess 14. Likewise, when
by operation of the crank handle IM. This brings
the recess 14 is loaded, the center of gravity of
the recess ‘I4 into register with the opening 60
the combined cylinder and ammunition is again
so that a piece of ammunition may be placed in
above the center of rotation so that the loaded
the recess '54 and the crank I04 may be again
tends} to move to the position shown.
operated to return the cylinder 68 to the position 20 cylinder
To make use of this feature to the greatest’ ex
shown.
tent it is desirable to proportion the mass of the,
I50 in such a manner ‘that the unbalanced mass
of cylinder 68 is substantially half the mass of
25
contact with the cylinder 68, as illustrated by
the ammunition I56 and that its center of gravity
dotted lines in Fig. 5, thus positively retaining the
is located at a radius from the center of rotation
ammunition against accidental displacement from
equal to the radius of the center of gravity of I
the ‘recess ‘I4. As soon as the chain 38 comes to
the ammunition from the ‘center of rotation.
the end of its flight the next lug 39 again actuates
While the form of embodiment of the inven
30
the trip arm I I2 to open the ?apper doors I38 and
tion as herein disclosed, constitutes a preferred
to operate the ejector arm ‘I8, thus positively dis
form, it is to be understood that other forms
placing the ammunition from the recess T4 to the
might be adopted, all coming within the scope
proper position on the chain 38. The hoist is then
of the claims which follow.
ready for another cycle of operation as soon as the
What is claimed is as follows:
7
piece of ammunition is removed from the delivery 35
1. In a conveyer for‘ delivering ammunition
end of the hoist.
between a loading station adjacent a storage
Should the hoist chain 38 complete its ‘?ight
compartment and a station for use and having
before the cylinder ‘68 has been returned to the
an endless ?exible ammunition conveyer band,
position illustrated, the lug 33 will actuate the
a ?ame-proof casing surrounding the conveyer
trip arm I i2 but since the bore 88 is not in reg 40
band and means for driving the conveyer band
ister with the bar I22 it is impossible for the
in intermittent cycles of movement, the combi
pinions H4 and H6, operating arm I26 and the
nation with the conveyer of means for passing
?apper door pivot shafts I'll) to move. Under
ammunition into said casing at the loading sta
these conditions the movement of the trip arm 45 tion, means cooperating with the ammunition
II2 takes up the lost motion between the arm
passing means for maintaining a ?ame-proof seal
H2 and the pinion H4 and further tensions the
between the inside and outside of the casing at
spring I36. Thereafter as soon as cylinder 62 is
all times, and means preventing initiation of
brought into ejecting position, the bar I22 moves
a cycle of the conveyer band until the ammuni
into bore 83 under the urge of spring 536 and 50 -.tion passing means has operated to position a
the operation continues as before.
piece of ammunition on the conveyer band.
If at any time during the operation of the
2. vIn a conveyer ‘for delivering articles between
hoist an accidental explosion should occur ad
two stations the combination of an endless ?exi
jacent the gun or in the hoist trunk itself due
ble conveyer band, means for driving said con
to a hit by an enemy shell, the transmission of
55
veyer band in intermittent cycles of movement,
?are-backs or ?ame travel of any kind to the
means forming a ?ame-proof wall between said
compartments 24 and 30 is effectively prevented
conveyer band and one of said stations, said wall
at the loading stations 25 and 32. It will be noted
having an opening adjacent the conveyer band
that no matter what the position of the cylinder
through
which articles may pass, means associ
68 there is no path for ?ame to travel from the
ated with said opening for passing articles there
interior of the casing 34 to the exterior thereof.
through ‘and cooperating with ‘said opening for
Thus, when the cylinder 68 is in the position
maintaining said opening sealed against the pas
shown in the drawing the cylinder itself forms
sage of ?ame, and means preventing initiation of
a seal at the opening 60 by its engagement with
a cycle of the conveyer band until the article
the walls thereof. Any gas pressure existing in
the casing 34 above the pressure outside thereof 65‘passing means has positioned an article on the
conveyer band,
tends to force the cylinder 68 into tighter en
3. In a conveyer for delivering ammunition be
gagement with the walls of the opening 60. In
tween
a loading station adjacent a storage com
all other positions of the cylinder 68, the ?apper
partment and a station for use and having an
doors I38 are maintained in sealing engagement
endless ?exible ammunition conveyer band, a
with the walls of the cylinder 68 by the action
?ame-proof casing surrounding the conveyer
of spring I26 which tends to force the lever I20
band and means for driving the conveyer band
downwardly thus urging the shafts I46 in the
in intermittent cycles of movement, the combi
direction for closing the ?apper doors I38. The
nation with the conveyer of means for passing
distance from the point of contact of the ?apper
doors I38 with the cylinder 68 to the point of 735? ammunition into said casing at the loading sta
2,403, 88.2
19'
tion, means for controlling the operation of the
ammunition passing means in accordance with
operation of the conveyer band, means cooper
ating with the ammunition passing means for
maintaining a ?ame-proof seal between the in
side and outside of the casing at all times, and
10
?ame-proof casing surrounding the conveyer
band and'means for driving the conveyer band,
the combination with the conveyer of'means for
passing ammunition into said casing at the load
ing station including a rotatable cylinder having
an‘ammunition receiving'means, means forming
a ‘casing for'said ‘cylinder and having a loading
means preventing initiation of a cycle of the
conveyer band until the ammunition passing
opening with which vsaid recess may register in
means has operated to position a piece of am
one position of the cylinder, means for rotating
munition on the conveyor band.
10 said cylinder toy and from a position in which the
4. In a conveyer for delivering ammunition
recess is adjacent _to and facing the conveyer
between a loading station adjacent a- storage
band,and-means including a‘dis'placeable bar
compartment and a station for use and having
rier forming a ?ame-proof ‘seal between the in
an endless ?exible ammunition conveyer. band
terior of said ?ui’dtig'ht casingand the'cylinder,
provided with a plurality of ammunition carrying 15 said cylinder engaging its casing to form a ?ame
lugs, a ?ame-proof casing surrounding the con
proof seal between the cylinder andfthe'opening.
veyer band and means for driving the conveyer
8. In a conveyor for delivering ammunition be-'
band in intermittent cycles of movement starting
and terminating with lug in a’ predetermined
position, the combination with the conveyer of
means for passing ammunition into said casing
at the loading station including a rotatable cyl
tween a'loading- station adjacent a storage vcom
partment and a station for use and having an
endless ?exible ‘ammunition conveyer band, a‘
?ame-proof casing surrounding the conveyer
band'and means for driving the conveyervband,
inder having an ammunition receiving recess and
the combination with the conveyer of meansfor
spaced from said conveyer band suiiiciently to
passing ammunition intos‘aid casing at the 1oad
permit said lugs and the ammunition carried 25 ing'station including a rotatable‘cylinder hav- '
thereby to pass said cylinder in all’ positions
ing an ammunition receiving recess, means 'form-v
thereof, means cooperating with the'ammu'nition
ing a’ casing for said ‘cylinder and having a load
passing means for maintaining a ?ame-proof seal
ing opening with which said recess may register‘
between the inside and outside of thecasi'ng at
all times, and means for positively ejecting am 30 in one position of the vcylinder, means ‘for re
munition from said recess on to the conveyer
band.
-
tating said cylinder to and from a' position in
which the recess is adjacent to and facing the
conveyer band, means including a displaceable;
5. In a conveyer for delivering ammunition be
barrier forming a ?ame-proof seal between the’
tween a loading station adjacent a storage com~
partment and a station for use and having-an 35 interior of said ?uidtight casing‘ and the cylin
der, said cylinder engaging its casing to form a
endless ?exible ammunition conveyer band, a
?ame-proof casing surrounding the" conveyer
band and means for driving the conveyer'band,
the combination with the conveyer of means for
?ame-proof seal between the cylinderland the
opening, means for ejecting ammunition from
said recess, and means‘for displacing said bar-'
passing ammunition into said casing at the'load 40 rier, both last named means being controlled in
accordance with the operation of the conveyer
ing station including a rotatable cylinder having
an ammunition receiving recess, ‘means forming
9. In a conveyer for delivering ammunition be
a casing for said cylinder and having a loading
tween a loading station adjacent a'storage com
opening with which said recess may register in
one position of the cylinder, means for rotating 45 partment and a station for use and having an
endless ?exible ammunition conveyer band, a
said cylinder to and from a position in which the
?ame-proof casing surrounding the conveyer
recess is adjacent to and facing the conveyer
band.
band, and means in addition to said casing‘for
forming a ?ame-proof seal between the interior
of said ?uidtight casing and theicylinder, said
cylinder engaging its casing to forma?ame-proof
seal between the cylinder and the opening.
'
‘
~
band and means’ for driving the conveyer band,
the combination with the conveyer of means for
passing ammunition into said casing at the load
ing station including a rotatable cylinder having‘
an ammunition receiving recess, means forming
a casing for‘ said cylinder and having a loading
6. In a conveyer for delivering ammunition»
opening with which said recess may register in’
between a loading station adjacent a storage
compartment and a station for use and having 55 one position of the cylinder; means for rotating
an endless ?exible ammunition conveyer band,
a ?ame-proof casing surrounding the conveyer
band and means for driving the conveyer band,
the combination with the conveyer of means for
said cylinder to and from a position in which
the recess is adjacent to and facing the conveyer
band, means including a displaceable barrier
forming a ?ame-proof seal between the interior
passing ammunition into said’casing atthe load-' 60. of said ?uidtight casing and the cylinder,said
cylinder engaging its casing to form a ?ame-r
ing station including a rotatable cylinder having
proof seal between the cylinder-and'the opening,
an ammunition receiving recess, means forming a
and means for‘displacing said barrier, controlled
casing for said cylinder and having a loading opens
in accordance with the operation of the conveyer
ing with which said recess may registerfin one po
vband.
V
'
sition of the cylinder, means for rotating said
l0.VIn a conveyer for delivering ammunition ‘
cylinder to and from a position in which the re
between a loading station’adjacent- a storage’
cess is adjacent to and facing the conveyer band,
compartment and a station for use and having
and means for ejecting ammunition ‘laterally
an endless ?exible ammunition conveyer band, a‘
from said recess on to the conveyer band,‘ and
controlled in accordance with the operation of 70 ?ame-proof casing surrounding the vconveyer
band and means for driving thev conveyer band,
the conveyer band,
7. In a conveyer for delivering ammunition be
the combination with the conveyer of means for
tween a loading station vadjacent a storage com
passing ammunition into said casing at the load- .
partment and a station for use and having an
ing station including a rotatable cylinder having ,
endless ?exible ammunition conveyer band, a
m?mmunition reeeivins. recess means. if?rmmg:
2,403,882
11
a casing: for said cylinder and having a loading
opening’ with which said recess may register in
one position of the cylinder, means: for rotating
said cylinderto and from a. position in which the
recess is adjacent to and facing the: conveyer
band, means including a displaceable barrier
forming a ?ame-proof seal‘ between the interior
of said‘ ?uidtight casing and the cylinder, said
cylinder engaging its casing to form a ?ame
prcof seal between the cylinder and the opening,
means for displacing said barrier, controlled. in
accordance with the‘ operation of the conveyer
band, and means‘ for preventing‘ rotation of the
cylinder while said barrier‘ is. displaced.
112
conveyer band through which articles may pass,
means associated with said opening for passing
articles therethrough including a rotatable cyl
inder having an article receiving recess and coop
erating with said opening for maintaining said
opening sealed against the passage of ?ame, and
a displaceable barrier for at times preventing the
passage of articles from said recess into position
on said conveyer band.
15. In a conveyer for delivering articles be
tween two stations the combination of an endless
?exible conveyer band, means for driving said
conveyer band, means forming a flame-proof wall
between said conveyer band and one of said sta
11. In a conveyer for delivering ammunition be
tween a loading station adjacent a storage com
partment and a station for use and having an end
less ?exible ammunition conveyer band; a ?ame
15 tions, said wall having an opening adjacent the
tion including a rotatable cylinder having an am
sage of articles from said recess into position on
conveyer band through which articles may pass,
means associated with said opening for passing
articles therethrough including a rotatable cyl
inder
having an‘ article receiving recess and coop
proof casing surrounding the conveyer band. and
means for driving the conveyer band, the com 20 erating with said opening for maintaining said
opening sealed against the passage of ?ame, a dis
bination with the conveyer of means for passing
placeable barrier for at times preventing the pas
ammunition into said casing at the loading sta
said conveyer band, and means for displacing said
ing for said cylinder and having a loading open 25. barrier in accordance with the operation of the
conveyer band.
ing with which said recess may‘ register in one
16. In a conveyer for delivering articles be
position of the cylinder, means for rotating said
tween
two stations the combination of an end
cylinder to and from a position in which the re
less ?exible conveyer band, means for driving
cess is adjacent to and facing the conveyer band,
said. conveyer band, means forming a ?ame-proof
said cylinder being pivoted on a non-vertical axis
wall between said cenveyerband and one of said
and having its center of gravity opposite said re
stations, said wall having an opening adjacent
cess sumciently so that- when said recess is empty
the conveyer band through which articles may
the cylinder" wil1 tend to, rotate to position with
pass, means associated with said opening for
the recess in register with the loading opening
passing articles therethrough including a rotat
and when ammunition is in said recess the cyl
able cylinder having an article receiving recess
inder will tend to‘ move to the opposite position.
and cooperating with said opening for main
12. In a conveyer for delivering articles be
taining said opening sealed against the passage
tween two stations the combination of an endless
of ?ame, and means forming a ?ame-proof seal
?exible conveyer band, means for driving said
between said cylinder and the space on the con
conveyer band, means forming a ?ame-proof wall
veyer band side of said wall in addition to the
between said conveyer band and one of said sta
seal maintained between the cylinder and the
tions, said wall having an opening adjacent the
opening, said cylinder being pivoted on a non
conveyer band through which articles’ may pass,
vertical
axis and having its. center of gravity op
means associated with said: opening for passing
articles therethrough including a rotatable cyl 45 posite said recess sufficiently so that when said
recess is empty the cylinder will tend to rotate
inder having an article receiving recess and coop
to position with the recess in register with the
erating with said opening for maintaining said
loading
opening and when an article is in. said
opening sealed against the passage of ?ame, and
munition receiving recess, means forming a cas
recess the cylinder will tend to move to the op
means forming a ?ame-proof seal between said
cylinder and the space on the conveyer band side 50 posite position.
17. In a conveyer for delivering ammunition
of said wall in addition to the seal maintained
between
a loading station adjacent a storage
between the cylinder and the opening.
compartment and a station for use and having
13. In a conveyer for delivering articles be
an endless ?exible ammunition conveyer band, a
tween two stations the combination of an endless
?ame-proof casing surrounding the conveyer
?exible conveyer band, means for driving said
band and means for driving the conveyer band,
conveyer band, means forming a ?ame-proof wall
the combination with the conveyer of means for
between said conveyer band and one of said sta
tions, said wall having an opening adjacent the
conveyer band through which articles may pass,
means associated with said opening for passing
articles therethrough including a rotatable cyl
passing ammunition into said casing at the load
ing station including a rotatable cylinder having
an ammunition receiving recess, means forming
a casing for said cylinder and having a loading
opening with which said recess may register in
one position of the cylinder, means for rotating
said cylinder to and from a ‘position in. which
means including a displaceable barrier forming a 657 the recess is adjacent to and facing the conveyer
band, a displaceable barrier positioned between
?ame-proof seal between.- said cylinder and the
inder having an article receiving recess and co
operating with said opening for maintaining said
opening sealed against the passage of ?ame, and
space on the conveyer band side of said wall in
addition to the seal maintained between the cyl
the recess and the conveyer band, and means
for displacing said barrier, operated from said
driving means.
18. In a conveyer for delivering ammunition
14. In a conveyer for delivering articles be 70
between a loading station adjacent a storage
tween two stations the combination of an endless
compartment and a station for use and having
?exible conveyer band, means for driving said
an
endless ?exible ammunition conveyer band,
conveyer band, means forming a ?ame-proof wall
a ?ame-proof casing‘ surrounding the conveyer
between said conveyer band and one of said sta
tions, said wall having an opening adjacent the 75 band and means for driving the conveyer band,
inder and the opening.
13
2,403,882
the combination with the conveyer of means for
passing ammunition into said casing at the load
ing station including a rotatable cylinder having
an ammunition receiving recess, means forming
a casing for said cylinder and having a. loading
opening with which said recess may register in
one position of the cylinder, means for rotating
said cylinder to and from a position in which the
- 14
veyer band and means for driving the conveyer
band in intermittent cycles of movement start
ing and terminating with a lug in a predeter-y
mined position, the‘combination with the con
veyer of means for passing ammunition into said
casing at the loading-station including 'a rotat
able cylinder having an ammunition receiving re
cess and spaced from said conveyer band su?i
recess is adjacent to and facing the conveyer
ciently
permit said lugs and the ammunition
band, a, displaceable barrier positioned between 10 carried to
thereby to pass said cylinder in all posi
the recess and the conveyer band and means
tions thereof, means cooperating with ‘the am
for displacing said barrier in predetermined re
munition passing means for maintaining a ?ame
lation to the rotation of said cylinder.
proof
seal between the inside and outside of the
19. In a conveyer for delivering ammunition
between a loading station adjacent a storage 15 casing at all times, and means for positively
ejecting ammunition from said recess on to the ‘I
compartment and a station for use and having
conveyer band, controlled in accordance with
an endless flexible ammunition conveyer band
the operation of the conveyer
provided with a plurality of ammunition carrying
lugs, a, ?ame-proof casing surrounding the con
band.
-
'
WTLLIAM THOMAS.
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