US524140A - Single trigger operating two loc - Google Patents

Description

(No Model.)

P. D. GRANGER. SINGLE TRIGGER OPERATING TWO LOOKS ALTER'NATBLY. No. 524,140.

Patented Aug. 7, 1894.

INVENTOR ATTORNEY 6;? BY f)? W1 TNESSES Nrr'no STATE ATENT GFFIQE.

FRANK D. GRANGER? OF NEW YORK, N. Y., ASSIGNOR OF ONE-HALF TO HALLAGK PENROSE, OF NEWLONDON, CONNECTICUT.

SINGLE. TRIGGER OPERATING Two LOCKSALTERNATEL'Y.

SPECIFICATION forming part of Letters Patent N o. 52fl,-140, dated August '7, 1 894.

Application filed March s, 1894.

T at whom it may concern: I

Be it known thatI, FRANK D. GRANGER, a citizen of the United States, and a resident of the city of New York, in the county of New York and State of New York, have invented certain new and useful. Improvements in Looks for Firearms, of which the'followi mg is a specification.

This invention relates to single trigger mechanism for double-barreled guns, and the object of the invention is principally to atford a direct contact of the triggerwith either lock-searto avoid creep also to provide a simple and efiective mechanism to reverse the selection of thebarrel to be fired; and also to look not only'the trigger but'also the sears when the safety-catch is set.

To these ends the said invention consists I of novel mechanism hereinafter described and claimed. 7

Referring to the accompanyingdrawingS:

Figure 1 is a side elevation of the lock mechanism with the breech, partly in section; .Fig. 2a plan view partly in section of Fig. 1, taken .on the line m-w; Fig. 3, a partial plan view taken on the line yy, Fig. 1; Fig. 4, a crosssection takenon the line 2-2, Figsl and 2; Fig. 5, a cross-section taken on the 1inew.0c, Figs. 1 and 2; and Fig. 6 a perspective detail view of the sear-shifting wheel.

' The invention is adapted for use in Icon- 'nection with two hammers A, within the breech B, of an automatically-cocked gun, which hammers are restrained and released by respective lock-sears 0,1). The sears have jointed sections 0 D, pivoted at 10, 10, so as to swing sidew-ise, to engage alternately with the trigger E. 'As' a convenient means of shifting the scars, a oam toothed wheel F, is

Serial No. 502,811. (No model) and in the ratchet series 3, there are twice the number of teeth -rsay ten-that there are on either series 6 or 7. Pins 8,8, slide in supports 2, 2, and abut at their outer ends on the jointed sections 0, D of the sears, and at their inner ends extend into the paths of each se-' ries of cam- teeth 6, 7. The jointed sections 0', D, of the-sears are pressed inward by springs 9, 9. \Vhen the wheel F, is revolved by its ratchet teeth 3, one tooth at a time, either automatically by the trigger pawl 4, or at will by the pawl 5,, as the case may be, the pins 8, 8, are alternately pushed outward by the cam- teeth 6 and 7, shifting the sears accordingly; the tail of one sear being moved 0E from the trigger by a pin 8, and the tail of the other sear being moved on to the trigger by its spring 9, simultaneously.

In Fig. 5 the sear-section D is shown in contact with the trigger ready to fire the right-hand barrel of the gun.

The position of the sears, "determining the f order of firing, is indicated byindicatin g pins 12, 13, carried on arms 14, 15, pivoted at 16, having depending rods 17, 18, guided at 19, and terminatingin beveled ends 20 engaging the extremities of the sears, in. the manner more clearly shown in Fig. 5. sear is at the position occupied by D ready to fire, its respective indicator pin is raised at the exposed part as at 13, by the depression of the respective rod, as 18.

' The safety-catch 25, is actuated by an external sliding piece 26, :or in any other. usual or suitable manner, being pivoted at 27. The arm 28 of the trigger is bifurcated for convenience, and the catch 25 maybe inserted or withdrawn from the intermediate slot; and when at the position shown, said catch locks not only the trigger E, but also the tail of the When either.

sear which happens to be on the 'trigger.'

The other sear is looked under its respective step 30; all possibility of the-gun jarring off being thereby effectually prevented.

It is to be observed that the sears O, D, are

iressed upward at their front extremities rgainst the hammers A at 35, by sear-springs i6, determining thereby the limit of the downvard position of the tails of the jointed secions G, D of the sears, and that the trigger E, is pressed upward with very moderate )r'essureagainst the tails of the sears by a mall spring 37, and moreoveran antifricion roller such as indicated at 38 may be rovided for the tails'of the scars to ride on, illowing the shifting motion of the same to )e effected with as little resistance as posiible. -The pull of the trigger is limitedso L8 to permit the pawl 4, to take one tooth 3, )f the ratchet at a time, by suitable means, LS-thB abutment of the rear portion of said trigger at the end of the slot inthe trigger- )late at 39.

The steps 30, are constructed in the form )f springs in order to yield sufliciently to alow for the necessary upward motion of the ;ear which is off the trigger in cocking.

The cars 40, on the sear-sections C, D, af- :'ord downward extensions of the vertical plane surfaces on the inside thereof for the )ins 8, to ride on when a sear is lifted in, the act of firing.

I claim as my invention-and desireto secure )y Letters Patent 1. In a lock for fire-arms, the combination )f twohammers, vertically and laterally movable lock-sears respectively to the hammers, a trigger, and means for moving said sears alternately into or out of contact with the :rigger. 4

2. In a lock'for fire-arms, the combination )1 two hammers, vertically and laterally movrespective sears to shift them laterallyinto and out of contact with the trigger, and a pawl connected with the trigger engaging with teeth on said wheel 4. In a lock for fire-arms, the combination of a. hammer, a trigger, and a jointed locksear laterally movable intoor out of contact with the trigger. f

5. In a lock for fire-arms, the combination laterally movable into or out of contact with the trigger, and'an indicating device actuated by the lateral movement of the sear. v

6. In a lock for fire-arms the combination 'With two vertically and laterally ovable lock-se'ars,-a.trigger, a safety-catch for coking that sear which is in contact vwith the trigger,

and locking steps for the scars, adapted to prevent vertical movement of that sear which is out of contact with the trigger. I

Signed at New York, in the county of New York and State of New York, this 6th day of March, A. D.. 1894:.

FRANK, D. GRANGER.

WVitnesses:

' H. F..PARKER, K. M, TUCKER.

. 55- of a'hammer, a trigger, a jointed lock-sear

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