US1219964A

US1219964A - Gun-lock.

Info

Publication number: US1219964A
Application number: US87272814A
Authority: US
Inventors: Frank C Lefler
Original assignee: Individual
Current assignee: Individual
Priority date: 1914-11-18
Filing date: 1914-11-18
Publication date: 1917-03-20
Anticipated expiration: 1934-03-20

Description

F. C. LEFLER.

GUN LOCK.

APPLICATION FILED nov. III. I9I4.

PapentedMar. 20, 1917:

2 SHEETS-SHEET l.

F. C. LEFLER.

GUN LocK.` v APPLICATION FILED NOV. IH. I9I4.

1,219,964. Patemmar. 20,1917.

2 SHEETS-SHEET 2- l Mx c: LEFLEB., or aocmnsa'na, NEW zonk.

GUN-LOCK.

Specification of Letters Patent.

I atented Mar. 20, 1917.

Application Med November 1E., 1914. Serielle. 812,728.

To all whom it may concern.'

Be it known that I, FRANK C. LEFLER, of'

Rochester, in the county of Monroe and State of New York, have invented a new and useful Improvement in Gun-Locks, which improvement is fully set forth in the following specification and shown in the accompanymg drawings.

The present invention relates to gun locks and more particularly to that ty e in which a single trigger is adapted to e ect the op.

eration of a plurality of hammers, an object of this invention being to provide a construction in which a very small trigger action is present, the trigger moving substantially the same distance for the several -firing actions. tion is to provide a stop action for the first actuation of the trigger, which will be released upon the recoil of the gun, due to the unconscious release of the trigger by the operator on such recoil. Still another object of the invention is to provide a locking device which is operated upon the rebound of the gun and after the stopl action has become ineffective. A still further object of the invention is to provide a gun lock which employes a minimum number of partsfor effecting the different functions of the gun. l. T0 these and other ends, the invention consists incertain parts yand* combinations of parts all of which will be hereinafter described, the novel features being pointed out in the appended claims. In the drawings: 1 Figure 1 is a detail view of a portion of a gun embodying the present improvements and showing the gun lock set for firing-the two barrels;

.Fig 2 is a view similar to Fig. 1 showing.

the position. of the parts after the trigger has been pulled and before recoil;

Fig. 3 1s a view similar to Figs. 1 and 2 showing the ositions of the parts during 4B the rebound o the gun;

Fig. 4 is a view similar to Figs. 1, 2 and 3 showing the positions of the parts after the firing of the second barrel;

Fig. 5 is a view of the opposite side of the l gun lock with the parts in the position shown in Fig. 4;

Fig. 6 is a section on the line a-(L, Fig. 4; Fig. 7 is a'section onthe line b--b, Fig 6 Fig. 8 isa perspective view of the sear lifter;

Fig. 9 is a perspective view of a controller Another object of the invenffior determining which sear is to be actuated rst;

Fig. 10 is a perspective View ofthe setting devlce for .the controller; and

Flg. 11 1s a detail ofthe trigger spring.

Referrlng more particularly to the drawings, 1 indicates the barrels, of whichthere secured toare two in this instance, rigidl gether in the usu il manner anni7 having pivoted at 4 the irearwardly tilting breach frame 5 which carries the usual hammers (not shown) controlled by the sears 6 in the usual manner pi voted at 7 to the breach frame 5.

For controlling these sears, a single trigger .8 is employed pivoted at 9 to a frame piece which ext-ends upwardly at 10 from the plate 11 at a point between the sears 6, 'thence rearwardly at 12, again upwardly at 13, again rearwaI dly at 14 and finally downwardly at 15 to ;he plate 11, being held to said plate at bot f1 ends byscrews 16. The trigger preferably does not directly yengage with the searsbut an intermediate member 17 is employed ir. the form of a-'sear lifting Vplate which is pii'oted to turn about the axisV 9 of the trigger on the upwardly-extending portion 10 of the frame. This lifting plate overlies the trigger so that it may be moved upwardly by the trigger to actuate the sears 6.

Arranged on tac lifting plate is the .controller for determining which of the sears is to be first actuated. This controller, in

Vthis instance, is in the form of a plate 18 0f the notch 19 and to the rearward side of the notch 20,

shoulders 0r faces

24 and 25 respectively are provided for respectively engaging the inturned ends 22 andl 23 of the sears v6, the arrangement being such that,

whenA the end 2S; of one scar lies over the' notch 19, the end 23 of the other sear will lie over the shoul der 25, and vice versa. By this construction, the end of the sear which lies over the shoulder 24 or 2 5 will be the first one to be ac auated while the end of the scar which lies over the

notch

19 or 20 will be the last to be actuated.

The movement of the controller 1S may be effected by ar` actuator in the form of, a

bar 26 which liesbelow the lifting plate. This bar has a finger piece 27 extending to the exterior of the gun to one side of the trigger and it carries an upwardly-extendin pin 28 which extends through a slot 29 in ae lifting plate and engages within an opening 30 1n thecontroller, so that a movement of the finger piece 27 is transmitted to the controller 18. The actuator preferably partakesof the up and down movements of the lifting plate, and, to this end, isguided on the latter by means of a pin 31 extending laterally from a rearward extension 32 on the lifting plate and operating within a slightly V-shaped slot 33 in a rearward extension on the actuator 26, this slot being formed as shown for holding the actuator in its two positions, time being a slight resiliency in the actuator S4 to permit the actuator to move on the pn 21 from one end of the notch to the other.

In order that both sears will not be simultaneously operated upon a single movunent of the trigger in an upward direction, a stop action of novel construction is employed. This stop action preferably embodies a detent 35 bifurcated at its lower end and straddling the rearward extension 32 of the lifter, being pivoted on said lifter at 36 so as to ex` tend upwardly therefrom. Its upper end is adapted-to cooperate with a stop shoulder 37 formed on the rear face of the upwardlyextending portion 13 of the frame piece and parallel with the longitudinal axis of the gun. A leaf spring 38 carried by the frame piece normally acts on the detent-35 to hold the latter'out of a path where said detent will engage with the shoulder 37. Upon the upward movement of the trigger, a rearward extension 39 on said trigger coperates with an arm 40 on the detent 35 and swings the upper end of the detent 35 forwardly to compress the spring 38 so that, on the first firing ofthe gun, the upper-end of the detent 35 will engage with the 'shoulder 37 and stop the trigger and lifter before the second sear is actuated. Upon the recoil of the gun, the user unconsciously. releases the triggerand the upper end' of the detent then is moved4 automatically out of engagement with the shoulder 37by the spring 38 and the sear lifter moves into operative relation with the other sear due to the provision of a spring 38* wliich'acts on the trigger 8.

To'the end that the second barrel will not be fired uponthe rebound of the gun, due

i to the rengagement of the finger ofthe oplifter, being ivoted at 42 to said lifter in rear of. the etent 35 to project upwardl from the lifter. The upper end of this blocl; is curved at 43 with the ivot 42 as the center, while the forward ace ofthe block is provided with an extension 44 to co erate with the rear face of the frame portion 13 above the shoulder 37, this coperation b eing maintained undernormal conditions by a spring 45. As before stated, upon the recoil the detent 35 passes outof engagement with the shoulder 37 so that, upon the rebound, the weighted block 4.1 may move real'- wardly in order that its curved portion 43 may coperatie with the curved abutment 46 on the frame portion 15. 0n this rebound,.

the finger again unconsciously presses on the trigger so that1 the curved face 43 is maintained in engagement with the curved abutment 46 and holds the'trigger against upward movement until pressure on the trgger is removed, when the parts assume the positions for the firing of the second barrel which is effected by an upward pressure on the trigger causing Vthe other sear to be lifted by engagement with the upper face of the lifting plate 18, due to the lateral or inturned extension on the Sear operating in one of the

notches

19 or 20 of the controller.

The operation of the invention will, it is thought, be understood from the foregoing description butit may be summarized as follows:

Either barrel may be fired first, this being accomplished by shifting the finger piece 27 to present either of the inwardly-turned

portions

22 or 23 of the sears to its

respective notch

19 or 20 in the controller plate, and the other to itsv

respective shoulder

24 or 25. lVhen the trigger is pulled, after setting the gun, the

shoulder

24,or 25 will-elevate its respective Sear permitting the other Sear to remain inactive by enteri the

notch

19 or 20. The trigger can only rise until'the stop detent 35 engages the abutment or shoulder 37. At. this time, the recoil takes place, removing the detent 35 from the shoulder 37 automatically due to the unconscious release of 'the trigger on recoil. On the rebound of the gun, the rebound operated block 41 moves rearwardly and, at the saine time, pressure is unconsciously applied to the'trigger 8, thus carrying the curved shoulder 43 of the block into engagement with the curved shoulder 46, where it is held until the trigger is again released when the gun is ready for the second firing, the latter being effected bythe engagement of the second sear with the upper face of the lifting plate 17 through one of the notches 19 or 20.l

A unlock constructed in accordance with this invention has a shorter or less trigger action dueto the stop action being released on the recoil and the trigger being held substantially in the position which `it reached los . ger during the rearward at the end of the first firing thereby .making the tri ger move substantially the same distance or'bbth firing actions. The reboundoperated block swings rearwardly to act after the stop action and acts notwithstanding that the stop action has been released.

lVhat I claim as my invention and desire to secure by Letters Patent is: Y

1. A doublebarrel gun havin in combination', two sears, one for eac single trigger for successively operating the sears, a spring acting on the trigger to hold it against return movement after operating one of the sears, anda stop actionl for the first operation ofthe trigger, releasing the latter when pressure is relieved on the trigmovement of the gun due Vto recoil. l

2. A double-barrel gun havin in combination, two sears, one for eac "barrel, a. trigger, a lifter operated by the trigger to operate the searssuccessively, a shoulder on the frame of the gun, a detent movably mounted on the lifter and operated by the trigger to engage said shoulder `when thel trigger is pulle 'to fire the first barrel, a spring for moving said detent out of engagement with the shoulder when pressure 1s relieved` on ythe trigger during the rearward movementof the gun due to recoil and a sprin acting to prevent the return movement o ythe trigger when pressure-is relieved thereon.

3. A double barrel gun having, in combination, two sears, one for each barrel, a trigger, a lifter operated by the trigger and operating the sears successively, a pivoted detent on the lifter, engaged by the trigger, a straight shoulder on the frame of the gun adapted to be engaged by the-detent and extending in a line parallel with the longitudinal axis of the n, a spring for moving said "detent out o engagement with the shoulder when pressure is relieved on the trigger during recoil, and a spring acting on said trigger to prevent the return of the trigger when pressure is relieved thereon.

4. Adouble barrel n having, in combination, two sears, a single trigger for successively operating the sears, a stop action for the first action of the trigger, releasing the latter when pressure is relievedion said trigger during the rearward movement of .the gun due to recoil, a shoulder on the v ping positlon after rebound. barrel, a

5. A 'double bar rel gun having, in combination, vtwo sears, operating mechanism for successively operating the sears and embodying a single trigger, a stop action controlled by the trigger, a fixed shoulder on the barrel, a detel 1t movable rearwardly to engage fthey fixed shoulder during the forward movement of the bound to prevent firing trigger during rebound.

6. A double bar rel gun having, in combination, two sears,.operating mechanism for y pressure on the successively opera ting the sears and embodying a single trigger, a stop action controlled' by the trigger and movable ,out of stopping position on the rearward' movement of the gun due to recoil, a curved shoulder on the frame, and a pivoted rebound actuated stcp movable rearwardly on the operating methanism to engage said shoulder. A

- 7. A double bari el gun', having, in combi nation,two sears, a slngle lifting plate for both sears, `a trigger for moving the plate, a shoulder, a deteiit mounted on the plate and shifted by the trigger to a position to engage the shoulder when the triggerl is moved to "fire the first barrel, a spring for moving the detent out of engagement with its shoulder during they rearward movement of the g'un dueto recoil, a fixed shoulder on the frame of the` gun, a rebound actuated' stop mounted on the lifting plate and movable rearwardly 4to engage the shoulder on the forward movement of the gun due to rebound, and a sprng for moving said stop out of engagement with its shoulderafter .theforward rebound movement of the n. FRANK C. LEFLEgl.l Y Witnesses:

HAROLD H. EIMMs, ADA M. WHITMonn,

un due to the resoV