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Патент USA US2407872

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Sept. 11?, 1946.
e. P. s. ‘CROSS
DIRECTION? CONTROLLING
2,407,
MECHANISM FOR GUNS
Filed May 25, 1944
.3 Sheets-Sheet 1
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Garra 1:‘ PO.‘ Crow
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1 Sept 17, l?-
e. P. s. CROSS
~ 2,407,871
DIRECTION-CONTROLLING MECHANISM FOR GUNS
Filed May 25, 1944
3 Sheets-Sheet 2
%pt. 37, 1946-
e. P. St cRoss
2,407,371
DIRECTION CONTROLLING MECHANISM FOR GUNS
Filed May 25, 1944
3 Sheets-Sheet 3
Patented Sept. 17, 1946
2,407,87l
UNITED STATES
Asm" OFFICE
‘2,407,871
DIRECTION-CONTROLLING MECHANISM
F OR GUN
.
Garrett P. S. Cross, Beverly, Mass, assignor to
United Shoe Machinery Corporation, Fleming
ton, N. J., a corporation of New Jersey
Application May 25, 1944, Serial No. 537,301
'7 Claims.
(01. 89-41)
1
2
longitudinal ways in which lie rolls rotatable
upon the pedestal.
In the accompanying drawings illustrating one
a vessel on which the gun is mounted, may be
of the several possible forms of my invention,
protected from the discharge. It is particularly 5
Fig. 1 shows in side elevation the direction
contr'olling mechanism associated with a gun and
concerned with such mechanism applicable to
guns having mounts, the supporting columns in
its mount;
Fig. 2 is a top plan view of such direction
which are rotatable as well as vertically movable.
A known manner of controlling gun-direction
controlling mechanism;
Fig. 3, a horizontal section through one of the
involves'securing in a ?xed position on the non
This invention relates to mechanism control
ling the direction in which a gun may be pointed,
so that chosen objects, such as structures upon
rotatable column of a gun-mount a stop mem
retaining members;
ber or cam, contoured in accordance with the
Fig. 4, a vertical sectional detail upon the line
objects to be protected and having movable with
IV--IV of Fig. 2;
Fig. 5, ,a perspective view of the support for
the gun a follower device, which turns with the
gun upon the column and by contact with the 15 the cam-carrier ;
. Fig, 6, a broken vertical section upon the line
cam will limit the ?eld of ?re. Such an arrange~
ment cannot directly be applied to a gun, in view
VI—VI of Fig. 2;
Fig. 7, a sectional detail on the line VII-VII
of the column of the mount being rotatable as
well as capable of being raised bodily, since under
of Fig. 2;
Fig. 8, a broken front elevation of the trunnion
these conditions the stop-cam has no ?xed an
gular relation about a vertical axis and control
bracket, with the follower device of this inven
of the gun would be lost. An object of my inven
tion;
.
Fig. 9, a side elevation looking from the left of
tion is to overcome this difficulty and to retain
Fig. 8; and
control of direction when there is both rotation
and vertical movement of the gun-supporting 25 Fig. 10, a broken top plan view of the trunnion
bracket and cam-assembly.
column. This object I achieve by combining with
In Fig. 1, and with portions in greater detail
a mount, including a pedestal, a column rotatable
in Fig. 6, appears the mount M of a gun G. The
and vertically movable therein and a trunnion
mount includes a vertical pedestal Hi, arranged
bracket ?xed to the column, and a gun trun
vaxially in which is a cylinder l2, both being
nioned upon the bracket, a cam or other stop
secured to a base Hi. Rotatable and vertically
means movable vertically with the column inde
movable in the cylinder is a tubular piston l6
pendently of the pedestal and having a direc
tion-limited surface, means, preferably carried
by the stop means and by the pedestal, for pre
venting rotation of the stop means with the col
‘furnishing a gun-supporting column. Attached
to the upper extremity of the piston by screws
umn, and a follower movable with the trunnion
bracket and upon said bracket in the movement
of the gun and co-operating with the limiting
the gun G is pivoted to swing in elevation by
trunnions 22. A protective skirt it depends from
i8 is a bracket 29, upon which the cradle 21 of
the trunnion-bracket 29 over the elements be
neath it. rl‘he gun is movable in azimuth as a
surface of the stop means. By this arrangement,
the stop means is kept in operative relation to 40 result of the turning of the piston in the cylinder
by the gun-crew. Said gun may further be
the follower, regardless of the position of the
raised and lowered bodily by the mount through
column, The follower is shown as movable in
hydraulic mechanism (not illustrated) situated
a casing attached to the bracket and is moved
within the pedestal and acting upon the piston.
toward and from the limiting surface by a con
nection to the gun-trunnion. In the embodi
To control the direction in which the gun may
be pointed and thus protect surrounding objects,
ment of the invention herein disclosed, a support
there is a stop member in the form of a cam-as
is secured to the vertically movable and rotatable
sembly C having a surface 26, the contour of
portion or column of the mount carrying the
which limits the direction of the gun, and a co
trunnion-bracket, and upon this support rests
operating follower F provided with a projection
a carrier for the stop-cam from which carrier
depends retaining means, such as a pivoted flap
28 for contact with said surface. The follower
or ?aps, which engage means for projecting from
is so arranged that it shares in all the movements
of the gun, and the cam-assembly must be main
the pedestal to prevent rotation of the carrier.
tained in an unvarying vertical relation to the
To permit free vertical movement of the carrier
with the gun, the flaps may be provided with
trunnion-bracket 2i) and ?xed in angular relation
2,407,871
about a vertical axis. To thus mount the cam
assembly, there is clamped by the screws l8, be
tween the top of the piston I6 and the under
surface of the trunnion-bracket 20, a support
ing sleeve 30 having at the bottom a downwardly
and outwardly curved ?ange 32, Near the pe
4
of the members 64 and the freedom for play of
the ways 56 upon the roll-?anges 60, allow the
vertically moving members to accommodate
themselves to the inclination of the outer Wall of
the pedestal ID.
a
To secure in different angular positions the gun
spaced rolls are rotatable, one set‘ 34 about hori—
zontal spindles 36 and the other set 38 about ver
against movement in azimuth, there is‘ about the
top of the cylinder l2 a set of spaced depressions
84. Any one of these depressions may be engaged
the sleeve, Resting upon the‘ rolls 34' is the‘ sep
arable ?ange 42 of a cam-carrier 44. The inter-‘‘
nal surface of a vertical Wall 45 of the carrier
is shown attached to the cam-carrier, as to the
riphery of this ?ange two sets of symmetrically
tical spindles 48, all the spindles being ?xed in’ 10 by a spring-plunger 86, movable in a vertical bore
througha boss 83‘upon the periphery of the sup
port-?ange 32 (Fig. 4). A circular pipe-rail 952
lugs‘ 62:, this; receiving contact of the bag for the
contacts with the rolls 38, and is thereby" held
against lateral displacement. Upon a horizontal 15" cases'of discharged cartridges which may be car
ried by the gun-cradle 2|, this rail acting as a
?ange d3 of the carrier rest camfsections 49,‘
fender against‘ which the bag may swing.
Which may be attached by screws 53 to the wall
vHaving. described my invention, what I claim
48, and which have on their upper edges thev
as new and desire to secure by Letters Patent of
movement-limiting surface 25 previously men
tioned. The supporting" surface of the ?ange d3 20 the United States is:
l.~ The combination with amount including a
pedestal, a column rotatable and movable ver_
tically therein and a trunnion-bracket fixed to
the column, and a gun trunnioned upon the
against rotation with the sup-porting sleeve 3%
and the trunnion~bracket 20, there is attached 25 bracket,’ of stop means mounted upon the col
umn independently of the pedestal and in- prox
by screws 51 to the pedestal Iii near its‘ top a
imity to the, trunnion-bracket‘, said stop means
downwardly'and outwardly curved plate 52‘. At
being movable vertically with the column and
the lower edge of the plate is‘ a plurality of down
having’ a movement-limiting surface, means for
wardly projecting lugs 513, which may be three in
number. Projecting horizontally from each lug . preventing rotation of the stop means with the
column, and a follower movable with the trun
is a spindle 53, about which is‘ rotatable a" roll 53
nion-bracket and upon» said bracket in the move
having at its outer extremity‘a rounded flange 69.
ment of the" gun and co-ope'rating withv the lim
Upon the flange d8 of the cam-carrier 44 are
iting surface of the-stop means.
symmetrically spaced pairs of lugs‘ 62, 62, prefer
may serve as a portion of the‘ cam-assembly, it
furnishing a continuation of the‘ surface 25.
To hold the cam-carrier 45 and assembly
ably three in number, each pair having pivoted
between them a retaining member for the carrier
in the form of a flap 84, Extending longitudi
nally of each retaining member are ways 65 (Fig.
3) to receive and overlap the inner side of the
?ange of one‘ of the rolls 55.
.
The follower device F (Figs. 8 and 9) may con
sist of a slide l3, from which the contact member
28 projects over the cam-surface 26, the slide be
2. The‘ combination-‘wither mount including a
pedestal, a column rotatable and‘ movable verti
cally therein and a trunnion-bracket ?xed to'the
column, and a gun trunnioned upon the bracket,
of stop" means mounted‘ upon‘ the column inde
‘ pendently of the pedestal and in proximity to
the trunnion-bracket, ‘said stop‘ means being
movable vertically with the column and having
a
movement - limiting
surface;
co-o-perating
means carried by the stop means and by the ped
to one side of the trunnion-bracket‘ 283, thus turn 45 estal' for preventing rotation of‘ the‘ stop means
withthe‘ column, and a follower movable with
ing in azimuth therewith. The‘ upper extremity
the trunnion-bracket and upon said bracket in
of the slide is recessed to receive the‘ rounded end
the movement of the gun and co-operating with
of one arm of a bell-crank~lever ‘l6 fulcrumed at
the limiting surface of the‘ stop means.
18 upon the casing. An' upwardly extending arm
ing guided in a casing ‘i2 attached by screws it‘
3. The combination with’ a mount including
of the bell-crank is joined by a link 89 to‘ a crank 50
a pedestal, a column rotatable and movable ver
arm 82 ?xed to one of the trunnions 22 of the
tically therein and a trunnion-bracket ?xed to
gun G. It will be seen that, as the gun is turned
the column, and a gun trunnio'ned uponv the
in azimuth, the follower-projection moves along
bracket, of stop means- movable vertically with
the cam-surface 2'5, and, as the gun is‘ swung in
elevation, said projection is carriedv toward and
from the cam-surface; Since the rolls 34 of the
supporting sleeve‘ 39' are movable‘ with the‘ trun
nion-bracket 29, they maintain the cam-carrier
M and the cam-assembly, which they support‘,
always in the same vertical relation to the fol
lower device F, which is also carried by the
the column, means‘for preventing rotation of the
stop means, a casing attached to the bracket, a
follower movable in‘ the‘ casing in co-operation
with the stop means, and means for connecting
the-follower to the gun-trunnion to‘move toward
and from the stop means.
4'. The combination with a mount including a
pedestal, a column‘ rotatable and movable ver
tlcally therein and a trunnion-bracket ?xed to
porting sleeve permit free relative movement of
rotation between it and the cam-carrier, and 65 the top of the column, and a gun trunnioned‘
upon' the bracket, of a support secured to the
because the engagement of the retaining mem
column, a carrier resting upon the support, a
here 64 with the pedestal-rolls 56 prevents‘ rota->
stop-cam mounted upon the carrier, retaining
tion of said cam-carrier, this is held against
means‘ depending from the carrier, means pro
angular movement as it, with its retaining mem
jecting from the pedestal into engagement with
bers, rises and falls with the trunnion-bracket 70 the retaining means for preventing rotation of
under the in?uence of the hydraulicv mechanism,
the carrier with the support while permitting its
as already explained, Thev relation of the con-v
bodily‘ movement, and a follower movable with'
tour of the stop-cam to‘ the objectsto be- pro
the bracket and upon said bracket in the move
ment of the gun and co-cperating with the stop"
tected, therefore remains unaifected by the com
pound movement of the column IS; The pivoting
cam-i
bracket. Further, because the rolls of' the sup
5
2,407,871
6
5. The combination with a mount including a
pedestal, a column rotatable and movable ver
tically therein and a trunnion-bracket ?xed to
the top of the column, and a gun trunnioned
upon the bracket, of a support secured to the
the carrier with the sleeve, and a follower mov
able with the bracket and upon said bracket in
the movement of the gun and co-operating with
upon the ?ange, interengaging means upon the
carrier and pedestal for preventing rotation of
column and having rolls rotatable about horizon
the cam-carrier.
tal and vertical axes, a carrier supported by the
rolls, a stop-cam mounted upon the carrier, re
taining means depending from the carrier, means
7. The combination with a mount including a
pedestal, a column rotatable and movable ver
of the carrier while permitting its bodily move
ment, and a follower movable with the bracket
and upon said bracket in the movement of the
the column and the bracket and having an out
tically therein and a trunnion-bracket ?xed to
projecting from the pedestal into engagement 10 the top of the column, and a gun trunnioned
with the retaining means for preventing rotation
upon the bracket, of a sleeve clamped between
wardly extending ?ange, a cam-carrier support
ed upon the ?ange, ?aps pivoted upon the car
gun and co-operating with the stop-cam.
15 rier extending along the pedestal, said ?aps be
6. The combination with a mount including
ing provided with longitudinal ways, rolls rotat
a pedestal, a column rotatable and movable ver
able upon the pedestal and lying in the Ways,
tically therein and a trunnion-bracket ?xed to
and a follower movable with the bracket and
the top of the column, and a gun trunnioned up
upon said bracket in the movement of the gun
on the bracket, of a sleeve clamped between the 20 and co-operating with the cam-carrier.
column and the bracket and having an outward
ly extending ?ange, a cam-carrier supported
GARRETT P. S. CROSS.
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