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Dec. 31, 1946.
Filed Dec. 19, 1944
Patented Dec. 31, 1946
Eugene G. Reising, Hartford, Conn.
Application December 19, 1944, Serial No. 568,852
2 Claims. (01. 42-69)
This invention relates to an adjustable and ac
are spaced apart and form a housing for receiv
curate trigger stop for ?rearms for locating the
ing the trigger 26, the latter being pivoted thereto
trigger in correct position while the trigger is in
on a pin 28. , Pivoted t0 the trigger at 30 there is
non-?ring condition.
a disconnector lever 32 which is similar in- form
Objects of the invention include the provision
to that disclosed in my Patent No. 2,356,726. This .
of a trigger stop for ?rearms for maintaining the
disconnector lever is provided with a shoulder
34 having engagement with a complementary
trigger in correct position in non-?ring condi
tion thereof and comprising a housing mount
shoulder 36 on a sear 38 pivoted at 40 to the legs
ing the trigger and the sear and a?ixed to the
22 and 24. The sear 38 is provided with a nose
receiver of the ?rearm, said housing including 10 42 extending upwardly through an aperture in
a pair of spaced depending legs between which
the receiver for engagement with a shoulder 44
the trigger is pivoted, there being an adjustable
on the hammer iii. A sear spring 46 normally
stop mounted on one of the legs for engagement
urges the sear in a counterclockwise direction
with a rear face of the trigger to stop the same
so as to bring the nose 42 up into the path of
in desired position, said stop being easily ad
the hammer. There is a disconnector spring 48
justable as desired.
interposed between the lower edge of the discon
nector 32 and a surface of the trigger 26 so that
Further objects of the invention include the
the disconnector lever is normally urged in a
provision of a ?rearm comprising a hammer, a
clockwise direction. A trigger spring 50 bears
sear for the hammer, a trigger, and a. discon
nector lever pivoted to the trigger and having 20 against the trigger and forces it in a clockwise
an engagement with the sear for actuating the
direction from the dotted line ?ring position
same upon movement of the trigger to ?ring posi
thereof to the solid line non-?ring position.
In leg 22 only of the trigger housing there is
tion, said sear, disconnector lever, and trigger'all
being mounted on a single housing secured to the
formed a drilled and tapped hole for receiving
receiver of the ?rearm, said housing being pro- ~
a machine screw or the like 52 having a head 54.
vided with an adjustable element for positioning
The head 54 is contained within a recess 56 so
the trigger and hence locating the disconnector
that the head 54 may stop short of the rear sur
lever in non-?ring position of the ?rearm.
face of the leg 22. A set screw or the like as in—
Other objects and advantages of the inven
dicated at 5'! is used to secure the screw 52 in its
30 adjusted position. The screw head 54 clearly
ticn will appear hereinafter.
Reference is to be had to the accompanying
projects laterally outwardly into the space be
drawing, in which
tween legs 22 and 24 but does not project laterally
Fig. l is a partial elevational view of the oper
outwardly of the housing and it will be seen that
ating parts of the ?rearm, parts being in sec
this effect is achieved by placing the tapped hole
tion; and Fig. 2 is a view in rear elevation of the
to the left of the center of the leg 22 as seen in
parts of Fig. 1.
Fig. 2.
In the drawing the numeral Hl represents a
It will be apparent that the action of this ?re
receiver for a ?rearm, it being contemplated that
arm depends on the degree of engagement of the
the receiver Ill will have a barrel secured there
sear notch 42 with the hammer groove 44 and
to and extending forwardly or to the left in Fig. 1.
also upon the degree of engagement of the shoul
However the barrel and stock for the ?rearm as
ders 34 and 36. This is because the ?re arm will
be ?red upon retracting the trigger in a counter
well as the bolt, etc., have been omitted from the
drawing for the purpose of clarity of illustration.
clockwise direction, forcing the disconnector lever
forwardly and thus rotating the sear in a clock
The receiver ge is closed at the rear end of the
?rearm by means of a bumper plug 12, the latter 45 wise direction to release the hammer shoulder 44.
The deeper the engagement between the sear and
forming a reaction point for a hammer spring
hammer the slower the action. The degree of
54 normally, urging a hammer Hi to the left. The
this engagement however is dependent on the
receiver If! is undercut as at 18 for a purpose to
position of the disconnector lever 32 when the
be described.
The'undercut portion 18 of the receiver forms 50 parts are at rest and the position of the discon
nector is clearly dependent upon the idle posi
a securing means for a U-shaped element v2i]
tion of the trigger. With the parts in position
as shown in Fig. 1, and it being desired to obtain
a crisper action, the screw 52 may be turned to
is provided with a pair of legs 22 and 24 which 55 advance the trigger slightly in a counterclock~
which is dovetailed to correspond with the under
cut portion l8, the latter receiving the dovetail as
clearly shown in Fig. 1. The U-shaped element
wise direction thus pushing forwardly on the dis
from the receiver, the closed end of the U being
secured thereto, a sear pivoted to the trigger
connector lever and forcing the sear in a clock
housing, a trigger pivoted between the legs of
wise direction so as to vary the engagement of
the U, a lever pivoted to the trigger for motion
the sear and the hammer. Once the desired ac
of the former by the latter, said lever having a
tion is determined, the set screw 51 may be used
disengageable connection with the sear, a trigger
to insure the location of the screw at 52. Of
spring urging the trigger toward non-firing posi
course the screw 52 may be adjusted in either
tion, and a headed bolt threaded into the trigger
direction but in any case the trigger spring and
housing in position for the trigger to contact the
stop will always insure that the trigger, and hence
the disconnector lever and sear, will always come 10 underside of the head of the bolt to adjustably
limit the motion of the trigger under in?uence
back to the same position between shots.
of the spring.
Having thus described my invention and the
2. The ?rearm of claim 1 wherein the bolt is
advantages thereof, I do not wish to be limited to
threaded into one leg only of the trigger housing,
the details herein disclosed, otherwise than as
the head of the bolt extending into the space
set forth in the claims, but what I claim is:
between the legs of the trigger housing.
1. A ?rearm comprising a receiver, a hammer
therein, a U-shaped trigger housing depending
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