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Патент USA US2102568

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Dec. M, 1937.
M. A. ELKINS
>
2,102,568
CHEST SUPPORTED FIREARM
Filed March 9, 193.7
2 Sheets-Shea?I l
MEZZI/i725
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M, 1937.
_
M. A. ELKINS
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2’w2’568
CHEST SUPPORTED FIREÀRM
lFiled March 9, 1937
2 sheets-sheet 2
Patented Dec. 14, 1937
2,102,568
UNITED STATES PATENT GFFECE
2,102,568
CHEST SUPPORTED FIREARM
Melvin A. Elkins, Tucumcari, N. Mex., assigner
of one-half to Nesby W. Sharp, Conchas Dam,
N. Mex.
Application March 9, 1937, Serial No. 129,911
7 Claims. (Cl. 42-1)
This invention relates to firearms and particu
cartridge chambers. The front section I0 is held
larly to a firearm designed to be worn upon the
chest of a person and rire-d by a motion of the
to the rear section by screws or any other suit
arms.
The firearm which I have devised is particu
larly intended to be worn by watchmen, bank
messengers, mail clerks, and those who are fear
ful of being or are likely to be held up.
The usual initial command of a bandit is
10 "hands up” and one of the objects of the present
invention is to provide a concealed firearm sup
ported on the chest of the wearer beneath the
clothing, which will be “fired” upon an upward
movement of one hand, the other hand, or both.
15
Another object is to provide a safety means for
latching the mechanism against ñring action and
which must be released before the arm can be
ñred.
Other objects will appear in the course of the
20
following description.
My invention is illustrated in the accompany
ing drawings wherein:
Figure 1 is a face View of a ñrearm constructed
in accordance with my invention;
Figure 2 is a longitudinal section on the line
25
2_2 of Figure 1;
Figure 3 is a longitudinal section on the line
3_3 of Figure l;
Figure 4 is a face view of the rear section, the
30 front section being removed;
Figure 5 is a vertical section on the line 5_5
of Figure 2.
In these drawings, IS designates a rectangular
front section of the gun and II the back section.
35 These sections are detachabl-y hel-d to each other
b-y screws. The gun formed of the connected
sections is supported on the chest by arm-pit
straps I2, which buckle in the back, and by straps
I3 which extend over the shoulders and across
40 the back like Suspenders, and may be attached
to the waistband of the trousers.
The front section lll is ñat on its inside face
and may be convexly curved on its outer face but
is formed to provide an upper set of cartridge
45 chambers and a lower set. Each chamber is
designated It. Engaged in each chamber is a
removable adapter l5, each adapter being formed
to receive a cartridge of a certain calibre, thus
one adapter will receive a ¿i2-calibre cartridge
and another will receive a lô-calibre cartridge,
etc. The adapters may be changed to suit the
calibre of cartridges desired to be used. I have
illustrated two rows of cartridge chambers, one
disposed below the other, but obviously my de
55 vice is adapted to use either one or more sets of
able means.
ie rear section I I has a flat outer face and a
concavely curved inner face to approximately
conform to the curvature of the chest. Extend
ing inward from opposite ends of section II are
the bores or chambers l5 and I6. The chamber
I5 is at a higher level than I6, because of the fact
that the two sets of cartridge chambers are dis 10
posed at different levels. The same mechanism
is used for ñring each set of cartridges and, there
fore, a description of one set of mechanisms will
be equally descriptive of the other.
Extending longitudinally parallel to but in 15
iront of and intersecting each chamber I5 is a
slot or guideway Il, and disposed at right angles
to each slot Il are a plurality of ñring pins I8
equal in number to the cartridge chambers, in
that row or set. These are supported bysprings j
I9 mounted upon a plate 2D attached to the sec
tion Il by the screws 20a.
Disposed within each slot Il is a slide rod or
plunger 2l having on its underface a plurality of
cam projections 22. At its outer end, each
plunger is carried by a head 23, each head being
disposed within the corresponding chamber I5
or I5. A light compression spring 2'4 in this
chamber I5 urges the head inward and then
'yieldingly holds the plunger at the inner end of
its stroke with the cams 22 projected beyond the
ñring pins I8. The spring bears at its outer end
against a plug 25. Attached to each head 23 and
extending out through the plug 25 is a rod 26
terminating in a ring 26a.
35
Mounted within the respective chambers 21 at
opposite ends oi' the section II are the sears 28,
each sear being mounted for vertical movement
and being capable of being disposed immediately
in advance of the corresponding head 23 to hold 40
this head in a retracted position against the ac-V
tion of the corresponding spring 24. Each sear
28 is pivoted to a lever 29 constituting a trigger,
the lever being pivoted on a pin 3B. The weight
of the longer arm of lever 29 is suflicient to raise 45
the sear into its latching position, but a spring
might be used for this purpose. From each trig
ger 29 a cord 3| extends to the corresponding
Wrist of the wearer or to the Wristband of his 50
shirt or coat, thus when the cord 3l is pulled
upon by the action of lifting the arm, the corre
sponding sear is released from its latching en
gagement with the head, the head is projected
by the spring 24, and the cam projections 22
2
2,102,568
force the ñring pins inward, thus exploding the
cartridges.
Disposed in longitudinally extending bores in
the section I l, these bores opening into the cham
Lil
bers 21, are the safety latches 32.
These are
projected by the springs 33 into engagement with
shoulders carried by the sears and thus hold the
sears against downward movement, that is, move
ment away from the firing mechanism. Each
safety latch 32 is connected by a link 34 to a
releasing rod 35 extending upward through a
bore in the section I! and terminating in an
eye which may be connected by a cord 36 to the
necktie.
Y
the firing pin, a spring urging the plunger in a
direction to engage the cam projection with the
ñring pin, and a cord operatively engaged with
the sear and adapted to be connected to the arm
of the wearer, an upward movement of the arm Cl
placing the cord under tension, releasing said sear
and allowing the projection of the ñring pin.
2. A ñrearm of the character described, in
cluding a body adapted to be supported on the
chest, a cartridge holding chamber formed in the
body and opening toward the front of the body,
a firing pin disposed behind the chamber, a
plunger disposed behind the rear end of the car
tridge chamber and having a cam projection
engaging with the i‘lring pin to project it when
In all the ñgures I have shown the plungers 2!
as having been fully projected and as having
iired the cartridges in the cartridge chambers
l5, it being understood, of course, that in Fig
ures 2 and 3, if the cartridges had not been fired,
the plungers 2i would be retracted as would Ybe
the heads 23, and that in Figure 5, the sears
operatively engaging said plunger and holding it
with its cam pro‘ection out of engagement with
the firing pin, a spring urging the plunger in a
28 would, under these circumstances, be pro
sear and adapted to be connected to the arm of
the wearer, aniupward movement of the arm
jected in front of the heads 23.
The operation of the device, assuming that it
is supported on the chest of the wearer, is as
follows:
'
Of course, the “gun” is entirelyconcealed by
the clothing and the cartridge chambers are pre
viouly loaded. Normally, the plungers 2| are re
tracted and held in retractedposition against
accidental movement out of engagement with the
plungers by the latches 32 of the safety means.
If now the cord 3€ be pulled, the latches are
the plunger is shifted in c-ne direction, a sear
direction to engage the cam projection with the i
firing pin, a cord operatively engaged with the
placing the cord under tension, releasing said
sear and allowing the 'projection of the firing
pin, and releasable means for holding the plunger
from operation by the spring,
3. A ñrearm of the character described, includ
ing a body adapted to be supported on the chest,
a cartridge holding chamber formed inthe body `
and opening toward the front of the body, a firing
pin disposed behind the chamber, a plunger dis
pull the sears out of engagement with the'corre
sponding head, the springs 24 will project the
behínd the rear end of the cartridge cham
ber and operating in a plane at right angles to
the axis of the firing pin and having a cam pro Si)
jection engaging with the iiring pin to project it,
a sear operatively engaging said plunger and hold
ing it with its cam projection out of engagement
with the ñring pin, a spring urging the plunger
withdrawn from their “safety” position and the
trigger levers are free to move. Now if one or
both arms are raised, the cord or cords 3l at
tached to the wristbands of the coat or shirt will
plunger and the cam projections will engage the
in a direction to engage the cam projection with
firing pins, projecting them against and discharg
ing the cartridges.
While I have illustrated the cam projections`
the firing pin, a cord' operatively engaged with the
22 as being equi-distantly spaced along the
plunger 2 l, it is to be understood that these cam
projections need not be equi-distantly spaced but
may be disposed so that they will operate succes
sively so that the cartridges may be- discharged
ing the cord under tension, releasing said sear
and allo-wing the projection of the firing pin, re 4.5
leasable and means for holding the plunger from
operation by the spring, comprising a spring pro
scar and adapted to be connected to the arm of
the wearer, an upward movement of the arm plac
jected safety pin operatively engageable with the
successively from any one row.
Sear to prevent its retraction, and a member flexi
Preferably the cord 36, as before stated, will
be attached to the necktie, the tie being manu
ally pulled upward preparatory to ñring the gun.
The necktie may be pulled upward as if acci
dently, at the time when the hands are being
raised, this action, of course, releasing the safety
latches 32. It is to be understood, however, that
this cord 35 might be attached tov any portion
bly engaged with said pin to retract it upon a pull
of the clothes of the user which Vwill be raised or
pulled upward, either intentionally or upon the
upward movement of the arm or arms. Inas
much as in case of a “hold-up”, the victim is
usually confronted by the bandit at very short
range, there will be no necessity of aiming the
gun.
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What is claimed is:
1. A firearm of the character described, in
cluding a body adapted to be supported on vthe
chest, a cartridge holding chamber formed in
the body and opening toward the front of the
body, a ñring pin disposed behind the chamber,
a plunger disposed behind the rear end of the
¿cartridge chamber and having a cam projection
engaging with the ñring pin to project it, a sear
on the member.
4. A ñrearm oi the character described, includ
ing a body adapted to be supported on the chest
and formed of an outer section and an inner sec
tion detachably engaged with each other, the out
er section having a plurality of cartridge cham
lbers and opening through the front of the outer,
section, the inner section carrying a plurality of
iiring pins disposed one behind each of the car
tridge chambers and projectible thereinto, a
plunger extending at right angles to the ñring
pins and having a plurality of cam projections
adapted to engage the firing pins and project
them, a spring urging the plunger in a direction
to carry its cam'projections against the firing
pins, a scar adapted to operatively engage the
plunger to hold it in its retracted position against
the action of the spring, a trigger operatively en
gaged with the sear, and a cord extending from
the trigger and adapted to be connected to the 70
body of the wearer.
5. A iîrearm of the character described, includ
ing a body adapted to be supported on the chest
operatively engaging saidplunger and holding it
and formed of an outer section and an inner sec
with its cam projection out of engagement with
tion detachably engaged with each other, the out
2,102,568
er section having a plurality of cartridge cham
bers and opening through the front of the outer
section, the inner section carrying a plurality of
ñring pins disposed one behind each of the car
tridge chambers and projectible thereinto, a
plunger extending at right angles to the iiring
pins and having a plurality of cam projections
adapted to engage the firing pins and project
them, a spring urging the plunger in a direction
10 to carry its cam projections against the firing
pins, a sear adapted to operatively engage the
plunger to hold it in its retracted position against
the action of the spring, a trigger operatively en
gaged with the sear, a cord extending from the
15 trigger and adapted to be connected ‘to the body
of the wearer, a safety pin mounted in the rear
section, a spring projecting the pin into operative
engagement with the sear to hold the sear from
retraction under the action of said cord, and
20 means connected to the safety pin whereby it may
be retracted.
6. A ñrearm of the character described, adapt
ed to be supported upon the chest of a wearer and
having a front section and a rear section detach
25 ably connected to each other and the iront sec
tion having two sets of cartridge chambers there
in, the cartridge chambers of each set being dis
posed in transverse alinement, a plurality of ñr
ing pins mounted in the rear section in alinement
30 with the several chambers and adapted to be pro
3
the corresponding plunger, a trigger for each sear
pivoted within the rear section and extending out
laterally thereof, and cords extending from the
triggers and adapted to be connected to the wrists
of the wearer.
7. A firearm of the character described, adapt
ed to be supported upon the chest of a wearer
and having a front section and a rear section de--
tachably connected to each other and the front
section having two sets of cartridge chambers
therein, the cartridge chambers of each set being
disposed in transverse alinement, a plurality of
iiring pins mounted in the rear section in aline
inent with the several chambers and adapted to
be projected into engagement with the cartridges
in said chambers, a longitudinally movable plung
er disposed behind each series of ñring pins, each
plunger having a plurality of cam projections act
ing to project the ñring pins when the plunger
is moved in one direction, the rear section having
two longitudinally extending chambers, a head
mounted in each chamber and connected to the
corresponding plunger, springs disposed in said
chambers and urging the heads in a direction to
carry the plungers against the iìring pins, each
head having a shank extending out through the
end of the section whereby the head lmay be man
ually retracted, a pair of sears, one for each head
and carried in the rea-r section and adapted, when
moved in one position, to engage in front of the
head and prevent the projection of the head in
the corresponding plunger, a trigger for each Sear
pivoted within the rear section and extending out
jected into engagement with the cartridges in
said chambers, a longitudinally movable plunger
disposed behind each series of ñring pins, each
plunger having a plurality of cam projections act Vlaterally thereof, cords extending from the trig
ing to project the ñring pins when the plunger is gers and adapted to be connected to the wrists of 35
moved in one direction, the rear section having the wearer, the triggers projecting beyond the
two longitudinally extending chambers, a head sears, safety latches carried in the rear section,
mounted in each chamber and connected tothe springs projecting said latches into engagement
corresponding plunger, springs disposed in said with the projecting ends of the sears to prevent
chambers and urging the heads in a direction to the retraction of the sears, a vertically extending 40
carry the plungers against the ñring pins, each rod mounted within the rear section and having
head having a shank extending out through the linked connection to said safety latches, and a
cord extending from said last named rod and
end of the section whereby the head may be man
ually retracted, a pair of sears, one for each head adapted to be connected to the clothing of the
’
and carried in the rear section and adapted, when wearer.
MELVIN A. ELKINS.
moved in one position, to engage in front of the
head and prevent the projection of the head in
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