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Патент USA US3031796

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May 1, 1962
Filed Feb. 24, 1959
United States Patent '1 ice
iPat-te'n'ted May 1, ‘1952
Robert Swan, '4978 \wawun'a St, ‘:L'o's
Angeles, Calif.
Filed Feb. 24, 1959, Ser. No. 795,029
2 ‘Claims. (Cl. 42*1)
'The‘deviee 15 includes afcll'am'p ’1‘6‘Ta'nd ar?ngerfsupport
Amern'b'eriIS.’ The clamp is comprised'of-alpair of comple
mentary members designated 20 and‘21. , These are ‘each
‘provided vwith a relatively "thick, ?at-‘sided, lower :portion
'22, and "a relatively 1thinner, ‘upright ‘wall portion 26,
lwhichiterminates :i'nlan inwardly‘ projecting ‘?ange 27. The
This invention has tofdo generally "with ?rearms and
more .particularly with an attachment for the trigger
"latter in conjunction with 'the body 322'provid'es la ig'roov'e
the target, accuracy is dependent to a large extent upon
curved, as best shown in FIG. 6, to more clearly approxi
*o‘r‘c'hann‘el 128 1for receiving ‘the trigger guard '12 and ‘in
this connection the two ~rne'mber's 520‘a'nd '21 'are disposed
.‘guard of "airi?‘e o'r'hand ‘gu'n “adaptetl'to provide support
10 ‘with their channels or grooves I28 in facingrelation and
‘for'the end ‘of 'the ‘trigger '?nger adjacent the trigger.
thus adapted v-to ‘engage ‘opposite edges 'of :the ‘trigger
‘In "the shooting "of-?rearms iit is generally accepted
guard. Also, if desired, the channels may be somewhat
among experts that, once the sights have been aligned on
mate the con?guration of the portion of the trigger guard
the individual gradually squeezing the trigger of the gun
rather than suddenly pulling or jerking it. A major dif 15 to which they could be attached.
The two elements 20 and 21 of the clamp are held to
?culty with attempting to gradually squeeze the trigger of
gether by screws 30 which are freely received in bores
a gun is the fact that the trigger ?nger is unsupported.
Due to the structure and shape of the human ?nger and
31 of member 20 and mounted in threaded bores 32 in
member 21. It will be apparent that with this construc
the design of ?rearms with trigger guards, and triggers
wherein the trigger path is parallel to the adjacent outer 20 tion the two members of the clamp may be ?rmly secured
to the trigger guard at any desired point therealong.
sides of the weapon, when the trigger ?nger is applied
unsupported to the trigger, the ?nger motion has a tend
ency to pull the trigger to one side creating friction be
The ?nger support 18 includes an elongated base por
tion 35 having a slot 36 which receives a mounting screw
37, the inner end portion of which is received in a
tween the trigger and the gun frame which, to some ex
tent causes the trigger to bind resulting in what is referred 25 threaded bore 38 in member 21. The sides of the base
portion 35 of the member 18 are preferably flat so that
to by some as ?inching on the part of the shooter. It is
either one thereof may be placed adjacent the outer ?at
therefore an object of the invention to provide novel
means for supporting the end of the trigger ?nger in a
side 32 of member 21, thereby adapting the ?nger sup
position laterally adjacent the trigger.
port for either right or left-handed use.
This support, by ?xing the ?nger tip against move-' 30 Extending upwardly from the base and slightly rear
wardly inclined is an upper ?nger rest portion 40 of the
ment, changes the fulcrum point and allows the shooter
support which provides a ?at, forward facing ?nger
to gradually pull straight back on the trigger, eliminating
supporting face 41 which is preferably somewhat wider
any trigger friction or binding and eliminating so-called
than the base portion 35. The sides and rear of the
A further object is to provide a novel ?nger rest in the 35 upper portion 40 of the ?nger support are rounded and
nature of an attachment for a gun which can be readily
converge at the upper end to provide a somewhat blunt
pointed upper end portion 42. The angle of the face 41
with respect to the longitudinal axis of the base is pref
erably within the range of 90° to 130° and, in the device
shown, is about 110°.
In use, the attachment 15 is ?rst applied to the trigger
ably secured at a desired region along the trigger guard
guard 12 by securing the clamp 16 at the proper place
and embodying a novel ?nger support or rest which is
therealong. Subsequently the ?nger support 18 is adjust
adjustable relative to the clamp for the purpose of posi
ably positioned on the clamp so that the forward face 41
tioning the support at the desired location to suit both
45 thereof will be opposite or laterally adjacent the forward
the individual and the particular ?rearm.
face of the trigger 14 when the latter is in cocked position.
A further object is to provide a ?nger rest attachment
Depending upon the individual’s preference the face 41
of the type indicated which is so constructed and arranged
may be positioned slightly ahead or slightly back or
that hand guns, including revolvers, pistols and auto
exactly opposite the trigger. Also the ?nger support 18
matics, to which it is applied can be carried in holsters
presently in use including clam shell and speed holsters. 50 may be inclined at whatever angle is desired.
In shooting the ?rearm, the trigger ?nger, designated
Still another object is to provide a novel ?nger rest
45 and shown in broken lines in FIG. 4, is received
attachment for the trigger guard of a ?rearm which is
through the trigger guard so that the inside of the end
so constructed that it may be adjusted for use by either
portion of the ?nger rests against and is steadied by the
a right- or left-handed person.
These and other objects will be apparent from the 55 forward face 41 of the attachment. With the ?nger so
supported, it is then an easy matter to activate the trigger
drawing and the following description. Referring to the
mechanism of the gun by pulling straight back on the
trigger thereby ?ring the gun without in any way de
FIG. 1 is a fragmentary side elevational view of one
?ecting it from alignment with the target.
side of a revolver showing a ?nger rest attachment em
Although I have illustrated and described a preferred
bodying the invention mounted on the trigger guard;
form of my invention, I contemplate that various changes
FIG. 2 is an elevational view of a portion of the other
and modi?cations can be made therein-without departing
side of the revolver and ?nger rest attachment;
from the invention, the scope of which is indicated by the
FIG. 3 is a sectional view on line 3-3 of FIG. 1;
mounted on the trigger guard thereof to provide a support
or rest laterally adjacent the trigger.
Another object is to provide a novel attachment of the
type indicated embodying a clamp which can be adjust
following claims.
FIG. 4 is a sectional view on line 4—4 of FIG. 5;
I claim:
FIG. 5 is a sectional view on line 5-—5 of FIG. 2; and 65
1. A ?nger rest attachment for a ?rearm having a
FIG. 6 is a perspective view of the ?nger rest.
trigger and a trigger guard, comprising a clamp formed
More particularly describing the invention, numeral 11
of a pair of complementary members having relatively
generally designates a revolver and this is provided with
deep, facing, trigger guard-receiving channels adapted to
the usual trigger guard 12 and trigger 14. Numeral 15
generally designates the ?nger rest attachment of the in 70 engage opposite sides of the trigger guard and a pair of
laterally spaced screws extending through one member
vention which is shown mounted upon the trigger guard
and threaded into the other member connecting said
12 of the revolver.
members and adapted to securely clamp the same to the
trigger guard, a ?nger support member characterized by
screw, and also being forwardly and rearwardly adjust
a slotted lower portion positioned at the outer side of said
other of the complementary clamp members and an upper
portion having a forward face adapted to be positioned
laterally opposite the trigger to receive and support the
inner side of the end portion of a trigger ?nger extending
through the trigger guard, said lower portion and said
upper portion being disposed to form an angle of some
what more than 90° comprising a substantially reverse 10
L-shaped member, and a screw extending through the
slotted lower portion of said ?nger support member and
threadedly mounted in the adjacent clamp member in a
plane between said ?rst-mentioned screws, said ?nger
2. The ?nger rest attachment of claim 1 wherein the
upper portion of the ?nger support member is rounded
rearwardly of said forward face and in which the side
portions thereof and the rear portion thereof converge
at the upper end of said upper portion.
References Cited in the ?le of this patent
Tower _______________ __ July 12, 1887
Wilson _______________ .. Dec. 8, 1936
support member being adjustable pivotally about said 15 2,365,127
Finnegan ____________ __ Dec. 23, 1958
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