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Патент USA US2404958

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July 3G, i946.
s. G. GREEN Erm.
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2,404,958
CONTROL MECHANISM
Filed Dec. 3l, 1945
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July 30» 1946.
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2,404,958
CONTROL MECHANI SM
Filed Dec. 31, 1943
7 sheets-sheet s
July 30, 1946.
,s.lG. GREEN ETAL
2,404,958
CONTROL MECHANISM
Filed Dec. 5l, 1943
'7 Sheets-Shee’ì; 4
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July 30, E946.
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s. G. GREEN ET AL
2,404,958
CONTROL MECHANISM
Filed Dec. 3l, 1945
'7 Sheets-Sheet 5
Juìy 30, 1946.
s. G. GREEN ETAL
¿404,958
CONTROL MECHANISM
Filed Dec. 31, 1943
'7 Sheets-Sheet 6
Juîy 30, 1946.
S. G. GREEN ET AL
2,404,958
CONTROL MECHANISM
Filed Dec. 31 , 1943
7 Sheets-Sheet 'T
Patented July 30, 1946
2,404,958
UNITED STATES PATENT OFFICE
2,404,958
CONTROL MECHANISM
Samuel G. Green, Aiexandrìa, Va., and Walter H.
D’Ardenne, Jenkintown Manor, William J’.
Meinel, Huntingdon Valley, and Weber de Vore,
Horsham Township, Montgomery County, Pa.,
assignors, by direct and mesne assignments, to
Heintz Manufacturing Company, Philadelphia,
Pa., a corporation of Pennsylvania
Application December 31, 1943, Serial No. 516,520
4 Claims. (Cl. 89-27)
l
2
This invention relates to gun control mecha
nism and more particularly to a novel firing con
trol mechanism for a machine gun mount in
Figure 6 is a section taken on line 5_6 of Fig
ure 5.
Figure ’7 is a section taken on the line 'l-l' of
tended primarily for anti-aircraft use and em
ployable at ease through 360° in traverse and at all angles from a depression _15° to an elevation
Figure 2.
Figure 8 is a section taken on the line 8-8 of
Figure 3.
It is a principal object of the invention
to provide such a mount.
Figure 9 is a side elevation of a gun mount
rectly to the gunner, and secondly, the gunner
pedestal support or stand l adapted to support
detachable legs 2 forming a tripod support. A
20 trunnion bracket 3 is detachably secured to the
showing another embodiment of the invention
In the more modern and now conventional gun
mounted thereon.
mechanisms for anti-aircraft use it has been nec 10
Figure 10 is an enlarged detail of the trigger
frame illustrated in Figure 9.
essary to employ shoulder braces and back sup
ports for the gunner, for without such accessories
Figure ll is an end detail (partly in section)
of the trigger frame shown in Figure 10.
_the mounts could not be operated with any de
gree of efficiency. While this comprised an ad
Figure 12 is a section taken on the line l2--l2
vantage in one sense, the use of such appendages 15 of Figure 10.
possessed two principal disadvantages, First, of
A preferred form of the invention is shown in
the recoil upon firing this was transmitted di
Figures l through 8 in which is shown a vertical
was thus forced in operation to assume a squat-
ting and somewhat cramped position.
It is another principal object of this invention
to obviate these disadvantages and the present
upper end of the stand l. The upper portion of
the stand l is mounted for rotary movement about
mount is so constructed and arranged so that the
the vertical axis of the stand so that trunnion
gunner operates at all times from a standing po
-bracket 3 is capable of movement in a horizontal
sition which results in greater freedom of action, 25 plane over 360°.
faster operation and greater accuracy. More
The upper end of the trunnion bracket 3 sup
over, the arrangement makes possible the elimi
ports the cradle assembly 4 for pivoting move
nation of shoulder braces and back straps _thus
ment in a vertical plane. The cradle assembly is
greatly reducing the amount of recoil shock trans
adapted to carry a gun, such as a cal. .50 BrownS
30 ing water-cooled machine gun 5 (shown in broken
mitted to the gunner.
Still anoth`er object of the invention resides in
lines). The cradle assembly 4 and gun may be
the provision of a novel maneuvering and trigger
elevated from minus 15° to plus 90°.
operating mechanism.
The cradle assembly 4 further includes a trigger
The invention has for an important object the
frame, indicated generally by the reference nu
provision of a control mechanism of relatively
meral 6, a trigger side plate mechanism 'i adapted
simple and rugged construction, comprised of
to be secured to the side of the gun 5, a recoil
light Weight components adapted to large scale
mechanism 8, and a spent ammunition link chute
production and ready assembly.
S. The cradle assembly 4 is adapted to detach
These and other important objects of the in
ably receive an ammunition chest l0 (shown in
vention Will become more apparent from the fol 40 broken lines).
lowing description and claims When read in con
The trunnion bracket 3, at its base, is pro
junction with the accompanying drawings, in
vided With means for detachably receiving a
shield support Il carrying an armor plate shield
which:
Figure 1 is a side elevation of the preferred
l2 at its upper end.
A sighting assembly I3 is adapted to be sup
form of the invention showing a preferred form 45
ported by clamping means Ill to the forward end
of the new control mechanism in place on a gun
of the barrel of the gun 5.
mount.
Figure 2 is a side elevational View of the cradle
The cradle assembly is comprised generally
assembly.
of two parallel spaced side plates 1|, 'l2 bolted
Figure 3 is a side elevational view of the cradle 50 in spaced relation by the blocks 13, 74.
assembly showing the opposited side.
The cradle side plate 12 carries an ammuni
Figure 4 is a top plan view of the cradle as
tion chest bracket 'l5 while the cradle side plate
sembly.
Figure 5 is a rear end elevation oi the cradle
assembly.
1l supports the ammunition link chute S.
The rear portion of the cradle plate 'H carries
55 the trigger plate assembly T6 connected by a rod
2,404,958
3
4
16' to a trigger operating system which is car
ried by the tubular trigger frame 6 bolted to
the side plates 1|, '|2.
trunnion bracket 203, a cradle assembly 204 and
a trigger frame 205 on the rear of the cradle
assembly by which the gun 24| can be maneu
The tubular trigger frame 6 is comprised of
two endless tubular members 11, 18, disposed
vered and ñred.
,
,
,y
.
in upright parallel planes (and each of which
In theY modiñed form of theY invention, the
frame is somewhat similar to that heretofore
is bolted to a cradle side plate), and a tubular
- disclosed, except that it is made of bar stock
` ` Uinstead of tubing. Moreover, the trigger handle
rear cross support 18’.
Each of the members '|'|, 18 is provided with a ' grips `2|5 have sproket Wheels 2|`| on their inner
series of brackets 19, 19' respectively,V for sup-`
10 ends, these sproket wheels being connected by
porting the operating handle grips 80. The
an endless sproket chain 2|8. The frame 205
in this instance includes braces 2|9, 220 each
handle grips 80 supported by the brackets '|19
carried by the tubular member »11 are supported
simply by a bolt and nuts as clearly shown in
Fig. 7 which isa cross sectionthrough one of
the handle grip supports.
-
provided with avsproket wheel 2|'|’, 2|-'|”, re
spectively, over which the chain also passes.
Sproket wheel 2|1" is connected with an element
22| provided with a lug 222 adapted to be con
nected by a rod `223 to the trigger release mech
'anism of the gun. Fig. 12 is a section through
the sproket 2|'|", member 22| and lug 222.
mounted as shown in Fig. 8 which is 'a cross.
It will be seen that fturning any one of the
section taken on the line 8-8 of Fig, 3. Re- _
The handle grips 80 carried by the brackets
1'9 rigid with the other tubular member’ 'I8 are
ferring tov Fig. v8 it will be noted-that _these
left-handed trigger handle grips 2|6 will,_through
brackets 19' have a transverse opening provided
the sprokets and chain, move member 22| with
its> lug 222 thus actuating rod 223 and ñring
with a sleeve 8|. Mounted in veach sleeve for
rotation therein is a crank 82 adapted to be
turned by the handle grip,V 00. The handle grip s
80 is connected to the crank 82 by means `of the
bolt 83, the inner end of which is threaded in
the crank. The reference numeral 84 represents
a cone the outer surface of which is _serrated
so that the handle grip 80 will not turn on the 30
bolt 83.
.
'I'he arms of the cranks 82 are pivotally con
nected (as at 85) to a single arc-shaped con
y
'
secured to the connecting member 85 and the
other of which is pivotally connected to the rod
'I6'. No handle need be provided for the bracket
carrying this crank. A simple spring pressed
locking member 86' (Fig. 6) is provided for the
purpose of keeping the trigger from iiring
,
_
Y
--
is to be understood that changes in structure and
arrangement lmay be made without departing `
from the inventivev concepts which are onlyjto
be limited to the extent defined in the following
claims.
.
‘
‘
l. In a gun mount, a standard, a cradle as
The lowermost crank 82' is‘provided with two .
arms (as a bell crank), one of which is pivotally
accidentally.
l
While two preferred embodiments of the in
vention have been illustrated and describedyit
We claim:
necting member 86 which advantageously ma
be channel-shaped in cross section.
the gun.
¿A
In operation the handle grips carried by both
of the tubular members '|‘|, 18 are-grasped by
sembly supported on said standard for horizontal
and vertical pivoting movement, a trigger frame
carried by the rear end of said cradle assembly,
a series of spaced operating handles carried by
said trigger frame and disposed in diiiîerenthori
Zontal planes, means for actuating the trigger
mechanism of a gun carried by said cradle as
sembly, and means connecting said last named
means _with said operating handles.
. ’~
2. In a gun mount to be operated from a stand
ing position and embodying a standard and gun
cradle means supported on said standard for
the gunner who _can thus move the cradle (and
horizontal and vertical pivoting movement, a trig
ger frame assembly secured to said cradle means,
gun) ' both in elevation or in traverse.
said- triggerframe comprisingsa pair of spaced
Because
of this arrangement the gunner-may thus direct
frame members disposed in parallel vertical
the gunv entirely from a standing position since .50 planes and extending rearwardly and then up
when the gun is elevated and the tubular
wardly and forwardly, a series of spacedv handles
trigger frame is depressed, it is only necessary
for the gunner to grasp a pair of handle grips
disposed higher up on the tubular trigger
disposed on each of said frame members and ex
frame 6.
'
`
Through the connecting member 86 any one
of the handle grips on the gunner’s left will
lire the gun when the grip is turned. The ac
tion is somewhat similar to that of the handle
grip throttle control on a motorcycle. Turning
a handle grip will rotate the bell crank 82’ thus
tending laterally therefrom, means for mounting
the series of handles on one of said frame mem
bers for turning movement, mechanism connect
ing said mounting means, said mechanism being
so constructed and arranged that turning of any
one handle will actuate said connecting mecha
nism, and trigger actuating means associated with
said connecting mechanism.
.
.
3. In an anti-aircraft, gun mount to be op
drawing the rod 16’ of the trigger control mech
anism 'i5 which ñres the gun.
The forward part of the tubular- trigger frame
embodying a standard and gun cradle means sup
6 is adapted to carry a small armor plate shield
81 which may be removably bolted thereto as
seen for example in Figs. 9, 10 and 11.
cal pivoting movement, a trigger frame assembly
secured t0 said cradle means, said trigger frame
Modified form
posed in parallel vertical planes and extending
rearwardly and then upwardly and forwardly, a
Figs. 9 through l2 disclose a modiñed form
of the invention having some _features in com
mon with the embodiment heretofore described.
With reference >to Fig. 9, it will be noted that
the amount, like that already described, is pro
vided With a pedestal support 20|, legs 202, a
erated at all times from a standing position and
ported on said standard for horizontal’and verti
comprising a pair or” spaced frame members dis
series of spaced handles disposed on each of said
frame members and extending laterally there
from, means for mounting the series 0f handles
on one of said frame members for turning move
ment, mechanism connecting said mounting
means, said mechanism being so constructed and
2,404,958
5
6
arranged that turning of any one handle will
actuate said connecting mechanism, and trigger
actuating means associated with said connecting
mechanism, said connecting mechanism includ
ing a connecting element pivoted to each handle
series of spaced handles disposed on each of said
frame members and extending laterally there
from, means for mounting the series of handles
mounting means.
on one of said frame members for turning move
ment, mechanism connecting said mounting
4. In an anti-aircraft gun mount to be op
means, said mechanism being so constructed and
arranged that turning of any one handle will
erated at all times from a standing position and
actuate said connecting mechanism, and trigger
actuating means associated with said connecting
ported on said standard for horizontal and verti 10 mechanism, said connecting mechanism includ
cal pivoting movement, a trigger frame assembly
ing a series of sprockets and an endless chain.
SAMUEL G. GREEN.
secured to said cradle means, said trigger frame
comprising a pair of spaced frame members dis
WALTER H. D’ARDENNE.
posed ìn parallel vertical planes and extending
WILLIAM J. MEINEL.
rearwardly and then upwardly and forwardly, a 15
WEBER, DEVORE.
embodying a standard and gun cradle means sup
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