US361100A - Lock device for fire-arms - Google Patents

Lock device for fire-arms Download PDF

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US361100A
US361100A US361100DA US361100A US 361100 A US361100 A US 361100A US 361100D A US361100D A US 361100DA US 361100 A US361100 A US 361100A
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Prior art keywords
trigger
sear
arm
lever
firing
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A19/00Firing or trigger mechanisms; Cocking mechanisms
    • F41A19/06Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms
    • F41A19/42Mechanical firing mechanisms, e.g. counterrecoil firing, recoil actuated firing mechanisms having at least one hammer
    • F41A19/52Cocking or firing mechanisms for other types of guns, e.g. fixed breech-block types, revolvers
    • F41A19/53Double-action mechanisms, i.e. the cocking being effected during the first part of the trigger pull movement

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  • Figure 1 is a side elevation, partly in section, of that part of a fire'arm containing the lock mechanism embodying myinvention.
  • Fig. 2 is a similar view to Fig. 1, but showing the guard of the arm and the cockingtrigger in section.
  • Fig. 3 illustrates the position of the cocking-trigger and the firing-triggerwhen the hammer is brought to full cock and is brought under the control of the latter-named trigger.
  • Fig. 4 is a perspective view of the firing and cocking trigger in the condition in which they are placed in the arm.
  • Fig. 5 is a similar view to Fig. 4., but showing the side of the firing-trigger broken away.
  • Fig. 1 is a side elevation, partly in section, of that part of a fire'arm containing the lock mechanism embodying myinvention.
  • Fig. 2 is a similar view to Fig. 1, but showing the guard of the arm and the cockingtrigger in section.
  • Fig. 3 illustrates the position
  • FIG. 6 illustrates the firingtrigger in front and rear and in side elevations.
  • Fig. 7 illustrates the firingtrigger in side and in front elevation.
  • Fig. 8 shows a front and a side elevation of the sear.
  • Fig. 9 shows a side and an edge elevation of the sear-lever.
  • 2 indicates the frame part of the fire-arm, in which are located the lock devices of the latter, and to the under side of which the guard 3 is secured; but in this construction said guard is made with a double loop to provide means for the separate and independent action of two of the fingers of the hand on the triggers when the arm is fired, as below described, the said guard having a longitudinal slot, 4, through its central rib, between its two loops, in which the cocking'trigger 5 swings.
  • the hammer 6 is of the ordinary type, and is illustrated in what is termed Serial No. 209,993. 1N0 model.)
  • the cocking-trigger 5 is pivoted at 12 in the frame of the arm, and its lower end extends downward through the upperloop of the guard 3, passes through the slot 4 in the central rib, 13, and its lower end hangs in the lower loop of the guard, as shown.
  • Aspring,14 engages under a projection, 15, on said trigger, to swing the latter to the position shown in Fig. 1, orthat which is required preparatory to firing the arm.
  • Said cocking-trigger is chambered between its sides, as shown in Figs. 2 and 3, where it is shown in longitudinal section in Fig. 6, where its front and rear edges are shown, and in Fig. 5, in which one side is broken away.
  • the chamber in said trigger is provided for the reception of the sear-lever 16, which, together with the scar17, is pivoted in the upper end of said trigger at 18, the joint part of said scar entering between the bifurcated ends of the sear-lever, and being capable, as below described, of swinging independ eutly of and in conjunction with said sear-lever in the act of cooking and firing the arm.
  • a laterally-projecting lip, 19, on the sear 17 affords a bearing for one end of a spring, 20, which is secured by its other end to the pawl 21, which acts to rotate the cylinder of the arm, said pawl having a suitable connection with the upper end of the trigger 5, as shown in Fig. 1.
  • Spring 20 serves both to swing the upper end of said pawl outward toward said cylinder (not shown in the drawings) and to swing the free end of the sear against the hammer and cause it to engage with the sear-notch 8 thereon.
  • the scar 17 and the sear-lever 16, respectively, are each provided with a shoulder, 22 and 23, which shoulders are brought together when, after the sear has become engaged with the sear-notch of the hammer, the cookingtrigger 5 is in the act of cooking the arm swung from the position shown in Figs. 1 and 2 to that shown in Fig. 3, and when said shoulders are in conjunction the sear is brought under the control of the trigger-lever 16.
  • the firing-trigger 24 has a curved face, as shown, and a rearWardly-projecting lip, 25, and is pivoted by its upper end in the cockingtrigger 5, as shown, and its lip 25 enters the chamber in the last-named trigger and terminates directly before the lower end of the trigger-lever 16.
  • What I claim as my invention is 1. Improved lock devices forfire-arms, con sisting of the cooking-trigger pivoted in the frame of the arm, the sear and the sear-lever, having a common pivotal connection on said trigger, said sear having a swinging movement independently of saidleverandin conjunction therewith, combined with the firing-trigger pivoted in the cocking-trigger and engaging with said lever, and the hammer, substantially as set forth.
  • a guard for fire-arms having two loops separated by a longitudinally-slotted rib, combined with the cocking-lever pivoted in the frame of the arm and passing transversely through said two loops and slot, and having a vibratory motion therein, and terminating in the lower loop of the guard,and the firing-trigger pivoted in the cocking-trigger within the upper loop of said guard, substantially as set forth.
  • the cockingtrigger capable of a vibratory motion in the frame of the arm, the scar and the sear-lever pivoted on said trigger at thesamepoint,andprovided each with ashoulder for engagement with each other,combined with the firing-trigger, the hammer, and a spring to swing said scar toward the latter, substantially as set forth.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)

Description

(No Model.) 2 Sheets-Sheet 1. D. B. WESSON.
LOOK DEVICE FOR FIRE ARMS.
Patented A rqlz, 1887.
\NVENTDR m' WITNESSES N. PETERS. Fl'wlWI-Zlhngnphen Wqshmgiom DJ;
(No Model.) 2 SheetsSheet 2., D. B. WESSON.
'LOGK DEVICE FOR FIRE ARMS.
No. 361,100. PatentedApr. 12, 1887" NVENTEIIT. 22w,
WI ES SE51! -Z%. awe/M;
N. PETERS Fholwlnhogmphun wminw. u. c
UNITED STATES PATENT OFFICE.
DANIEL B. W'ESSON, OF SPRINGFIELD, MASSACHUSETTS.
LOCK DEVICE FOR FlRE-ARMS.
SPECIFICATION forming part of Letters Patent NO. 361,100, dated April 12, 1887.
Application filed August 4, 1886.
' To all whom it may concern.-
.being applicable to arms provided with either concealed or visible hammers; and theinvention consists in the peculiar construction and arrangement of the lock devices and guard of the arm, all as hereinafter fully described, and set forth in the claims.
In the drawings forming part of this speci fication, Figure 1 is a side elevation, partly in section, of that part of a fire'arm containing the lock mechanism embodying myinvention. Fig. 2 is a similar view to Fig. 1, but showing the guard of the arm and the cockingtrigger in section. Fig. 3 illustrates the position of the cocking-trigger and the firing-triggerwhen the hammer is brought to full cock and is brought under the control of the latter-named trigger. Fig. 4 is a perspective view of the firing and cocking trigger in the condition in which they are placed in the arm. Fig. 5 is a similar view to Fig. 4., but showing the side of the firing-trigger broken away. Fig. 6 illustrates the firingtrigger in front and rear and in side elevations. Fig. 7 illustrates the firingtrigger in side and in front elevation. Fig. 8 shows a front and a side elevation of the sear. Fig. 9 shows a side and an edge elevation of the sear-lever.
In the drawings, 2 indicates the frame part of the fire-arm, in which are located the lock devices of the latter, and to the under side of which the guard 3 is secured; but in this construction said guard is made with a double loop to provide means for the separate and independent action of two of the fingers of the hand on the triggers when the arm is fired, as below described, the said guard having a longitudinal slot, 4, through its central rib, between its two loops, in which the cocking'trigger 5 swings. The hammer 6 is of the ordinary type, and is illustrated in what is termed Serial No. 209,993. 1N0 model.)
a concealed-hammer arm, and is provided with the usual sear-notch, 8, and is attached to the ordinary mainspring, 9, in the usual way, and swings on the pivot 10.
The below described cooking and firing triggers, together with their peculiar sear and sear-lever construction, provide great advantages in concealed-hammer pistols and other similar arms, with or without such hammers, in that they permit the hammer to be brought to a full-cock, and then to be fired by a free finger of the hand while the hammer is held cooked by another finger, thus permitting the arm to be manipulated more delicately and fired with much more accuracy.
The cocking-trigger 5 is pivoted at 12 in the frame of the arm, and its lower end extends downward through the upperloop of the guard 3, passes through the slot 4 in the central rib, 13, and its lower end hangs in the lower loop of the guard, as shown. Aspring,14,engages under a projection, 15, on said trigger, to swing the latter to the position shown in Fig. 1, orthat which is required preparatory to firing the arm. Said cocking-trigger is chambered between its sides, as shown in Figs. 2 and 3, where it is shown in longitudinal section in Fig. 6, where its front and rear edges are shown, and in Fig. 5, in which one side is broken away. The chamber in said trigger is provided for the reception of the sear-lever 16, which, together with the scar17, is pivoted in the upper end of said trigger at 18, the joint part of said scar entering between the bifurcated ends of the sear-lever, and being capable, as below described, of swinging independ eutly of and in conjunction with said sear-lever in the act of cooking and firing the arm.
A laterally-projecting lip, 19, on the sear 17 affords a bearing for one end of a spring, 20, which is secured by its other end to the pawl 21, which acts to rotate the cylinder of the arm, said pawl having a suitable connection with the upper end of the trigger 5, as shown in Fig. 1. Spring 20 serves both to swing the upper end of said pawl outward toward said cylinder (not shown in the drawings) and to swing the free end of the sear against the hammer and cause it to engage with the sear-notch 8 thereon.
The scar 17 and the sear-lever 16, respectively, are each provided with a shoulder, 22 and 23, which shoulders are brought together when, after the sear has become engaged with the sear-notch of the hammer, the cookingtrigger 5 is in the act of cooking the arm swung from the position shown in Figs. 1 and 2 to that shown in Fig. 3, and when said shoulders are in conjunction the sear is brought under the control of the trigger-lever 16.
The firing-trigger 24 has a curved face, as shown, and a rearWardly-projecting lip, 25, and is pivoted by its upper end in the cockingtrigger 5, as shown, and its lip 25 enters the chamber in the last-named trigger and terminates directly before the lower end of the trigger-lever 16.
The operation of my improvementsis as follows: When the arm is to be fired, the arm is held by placing (preferably) the first and second fingers of the hand respectively through the upper and the lower loops of theguard 3, thus bringing the second finger against the tail of the cocking-trigger and the first finger to such a position before the firing-trigger asenables the operator to operate the latter at will. The cocking-trigger is then pulled, swinging its lower end rearward] y and bringing it to a stop against the end of the slot 41in the guard, and thereby the hammer is brought to a cocked position, as in Fig. 3, thesear 17 swinging on the pivot 18 and maintaining its engagement with the hammer while the latter swings, and when, or shortly before, it comes to afull-cock the shoulders 23 and 22 of the sear and searlever meet, causing the lower end of the latter to swing against the edge of the lip 25 on the firing-trigger 24, swinging the lower end of the latter outwardslightl y from the cocking-trigger to the position shown in Fig. 3, and then,with thesaidfirstfingerofthehand,thefiring-trigger is pressed,swinging rearwardly the tail oflever 16 and throwing the end of the sear out of the sear-notch on the hammer, letting the latter swing and fire the arm. After firing,trigger 5 is released and the spring 14 returns the parts to the positions shown in Fig. 1, and said operations may be repeated. Thus it is seen that in the act of firing, as above described, when the cocking-trigger is pulled the sear at first swings independently of and finally in conjunction with the sear-lever, bringing the latter and the firing-trigger into such delicate lever relation pull, which is all-important when accuracy-of aim is desired.
What I claim as my invention is 1. Improved lock devices forfire-arms, con sisting of the cooking-trigger pivoted in the frame of the arm, the sear and the sear-lever, having a common pivotal connection on said trigger, said sear havinga swinging movement independently of saidleverandin conjunction therewith, combined with the firing-trigger pivoted in the cocking-trigger and engaging with said lever, and the hammer, substantially as set forth.
2. The cocking-trigger, the scar and the sear-lever pivoted on said trigger and having a co-engagement one with the other,the firingtrigger pivoted on and swingingindepcndently of the cocking-trigger and engaging with said lever, combined with a hammer concealed in the frame of the arm, substantially as set forth.
3. A guard for fire-arms having two loops separated by a longitudinally-slotted rib, combined with the cocking-lever pivoted in the frame of the arm and passing transversely through said two loops and slot, and having a vibratory motion therein, and terminating in the lower loop of the guard,and the firing-trigger pivoted in the cocking-trigger within the upper loop of said guard, substantially as set forth.
4. The cockingtrigger capable of a vibratory motion in the frame of the arm, the scar and the sear-lever pivoted on said trigger at thesamepoint,andprovided each with ashoulder for engagement with each other,combined with the firing-trigger, the hammer, and a spring to swing said scar toward the latter, substantially as set forth.
DANIEL B. \VESSON.
that the arm is fired with a very light trigger
US361100D Lock device for fire-arms Expired - Lifetime US361100A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269045A (en) * 1965-03-11 1966-08-30 Robert E Mcgaughey Revolver with shooting trigger and digitally engageable auxiliary means secured thereto
US6189525B1 (en) * 1999-11-02 2001-02-20 K&K Performance Paintball Paintball gun trigger with upper and lower finger gripping portions
US7127845B2 (en) * 2002-01-15 2006-10-31 Npf Limited Paintball marker
US20130192116A1 (en) * 2012-01-28 2013-08-01 Arthur Joseph Elftmann, JR. Dual Trigger for Semi-automatic Rifle
US9863730B2 (en) 2013-09-22 2018-01-09 Arthur J. Elftmann Drop in trigger assembly
US20200217612A1 (en) * 2019-01-03 2020-07-09 Connecticut Shotgun Manufacturing Company Double-barreled revolver
US11162752B2 (en) 2013-01-24 2021-11-02 Arthur J. Elftmann, JR. Trigger assembly
US11274894B1 (en) 2021-06-04 2022-03-15 Freefall Inc. Enhanced fire-control system
US11629926B2 (en) 2012-01-28 2023-04-18 Arthur J. Elftmann, JR. Trigger assembly
US20240133646A1 (en) * 2014-05-15 2024-04-25 Savage Arms, Inc. Semiautomatic firearm

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3269045A (en) * 1965-03-11 1966-08-30 Robert E Mcgaughey Revolver with shooting trigger and digitally engageable auxiliary means secured thereto
US6189525B1 (en) * 1999-11-02 2001-02-20 K&K Performance Paintball Paintball gun trigger with upper and lower finger gripping portions
US7127845B2 (en) * 2002-01-15 2006-10-31 Npf Limited Paintball marker
US11629926B2 (en) 2012-01-28 2023-04-18 Arthur J. Elftmann, JR. Trigger assembly
US20130192116A1 (en) * 2012-01-28 2013-08-01 Arthur Joseph Elftmann, JR. Dual Trigger for Semi-automatic Rifle
US8881442B2 (en) * 2012-01-28 2014-11-11 Arthur Joseph Elftmann, JR. Dual trigger for semi-automatic rifle
US11162752B2 (en) 2013-01-24 2021-11-02 Arthur J. Elftmann, JR. Trigger assembly
US9863730B2 (en) 2013-09-22 2018-01-09 Arthur J. Elftmann Drop in trigger assembly
US20240133646A1 (en) * 2014-05-15 2024-04-25 Savage Arms, Inc. Semiautomatic firearm
US20200217612A1 (en) * 2019-01-03 2020-07-09 Connecticut Shotgun Manufacturing Company Double-barreled revolver
US11365951B2 (en) 2019-01-03 2022-06-21 Connecticut Shotgun Manufacturing Company Double-barreled revolver
US10890412B2 (en) * 2019-01-03 2021-01-12 Connecticut Shotgun Manufacturing Company Double-barreled revolver
US11274894B1 (en) 2021-06-04 2022-03-15 Freefall Inc. Enhanced fire-control system

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