Browning Round Slide Pistol

mO M0 u

No. ‘580,925. -

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' Patented Apr. 20, 1897.

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(No Model.)

_No. 580,925.

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FIREARM.

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Patented Apr. 20-, 181917.

(No Model.)

N0. 580,92

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3 Sheats—8heet 3.

Patented Apr. 20, 1897.

‘1.7M. BROWNING. FIREARM.

lnvenfor;

UNITED 'i'STATEs] PATENT, OFFICE. -...iouN M. BROWNING, or OGDEN, 'U'l‘AI'l.

FIREARM srncrrros'rron forming part of Letters Patent No. scopes, dated spruce, 1897'. I

' Application ?led October 31, I896. ‘Serial Ho. 610,658._ (No model.)

.To all w/to'm it. magi cancer/1,.-

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Be it known th'atLlOHN M. BROWNING, re

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- - In “another application, concurrently herewith and serially numbered. 610,657and \

siding-in Ogden‘, in the county of Weber, ‘State to which this application is‘. subordinate, I

cf Utah, have invented ‘certain new and use; have sought to cover,‘ broadly, a ?rearm pro ful Improvements in Firearms, of which the vided with almovable breech block' or bolt following is a speci?cation, reference being carrier and a barrel having a synchronous ‘ had to the accompanying ‘drawings; fdrming double movement- for the purposexof locking and unlocking the breech block or-bolt car a part hereof._ ‘ ,. This in ventlon relates generally’ to. the class. rierJ and in the particular construction there

.of. automatic breech-loading ?rearms, and in shown and described as an embodiment of more especially to ?rearms of this description the-invention the secondary movement of in which the several operations, such as the

the barrel, is a bodily movement toward and

nnlockingand opening, of the breech after. from‘ the frame upon which the barrel is sup;

?ring a. shot, the ejection of the empty car~ ' tridge-shell, the cooking of the hammer, the

ported.

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In the present application Ihave shown and

presentation and introdu'ction'of a'fFei-h car described a, particular construction-which

“Lridge tothe chamber of the barrel, and the. likewise embodies the broad invention re closing and lockingof the breech, are ‘auto ferred to, but in which the secondary move 10 inaticallyelfected by or through“ the energy ment of the barrel is a partial rotation.‘ ' ' = 20 oflthe recoil of the breech block or bolt car The other features'of the ?rearm, which I rier or that part which at the time of ?ring shall explain hereinafter,-have been-devised ‘ the shot closes the breech or rear ‘end or car- with especial- reference, therefore, to their use tridge-chamber of the barrel‘ andof the in conjunction with a barrel which has'a lim 75 parts connected therewith after each dis’. ited ‘longitudinal movement and a simultane

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charge.’

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' in ‘view 'hasbeen- the production'vof a-?rearm

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ous limited rotary movement uponits own,

The object which I have" had r'particnlarlyj ' axis, but it will'b'e understood,howcver, that

such other featuresof the‘_?_rearm are not of‘

of this description-which shoiild beeompact', necessity limited to their vuse 'in a ?rearm well-balanced, comparatively simple and in provided with a barrel ‘having such‘ a move

expensive in construction, and providedlwith

ment as that to ‘whichl hiavereferred nor to '

of any particular class or descrip- ' ‘ means whereb§7 the breech-bolt may-be locked .' " ' positively to. the ‘rear end of the barrel at the l-tion. time of firing; I have sought also to provide In‘ the ?rearm-which‘. Ihave described here 85 means to prevent the release of ‘the hammer ~ in after the breech‘ blocker bolt carrier slides _ ,

35 unm the breech is fully closed ‘andall parts. to and fro,‘ being impelled in ‘onejdirection‘ 4 are locked in proper position for the discharge" by the energy 6f the recoil andjin; the other ' of ‘the-‘cartridge andto provide improved .direction by the Ireactim ’ :ineans to prevent the 'releaseof the hammer ‘ movemcn ts it extracts nd. ejects - the'empty

after each single discharge until the trigger shell, ‘moves thev hammer _to the full-cock‘ po.

sition, and‘ introduces a- fresh cartridge into has "Inbeen reducing released the-invention and is again.tooperated. practice the ~ the chamber of the barrel. _ The breech block

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barrel of the lirearm‘is caused to have a syn or bolt. ea rifle r operates through other dew ices ‘ chronous double movcment->--that is to say, a .-to prevent the release of the ‘hammer/until niovement in thedircciion of itslcngth and si the breech is fully closed, ‘and the lock‘ mech

multaneously there with another movemcnt—~ anism isso constructed and so arrangeda'sf

the’ cifect‘of this double movement being‘ to to prevent the disengagement of the sear from lock or .to unlock the. brccch’blocl'c orbo'lt car

the hammer- after the hammer .has been

projectile before the‘ breech is opened; ' -

eration of ‘the trigger_,-\_vhich would otherwise

rier and at the same timeto permit the bar brought automatically to the f [Ill-096k posi we 'rel to move to a=limited extent with the breech tioniintil the trigger isireleased and is again ' block or boltcarrier, so as to permit the gases operated, thereby preventing the discharge , '- of explosion to have their full effect ‘upon the of two or‘ more cartridges at each' single ‘9p

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inevitably occur by reason of the swiftnes's; form ears (1", Figs. 8 and-9, which engage the‘

_ of the auton tic operation of the ?rearm.

‘ rim or flange of the topmost cartridge to pre

For‘ the p '_rpose,of enabling the nature of vent the escape of the same from the holder, my inventiomto be ‘fully ‘understood I have except when it is pushed forward, 'as herein-‘ illustrated the same in'the accompanying drawinggas embodied in a breech-loading? . -'A'bove the grip and trigger-guard the frame automatic magazine-pistol, l and with. 1refer-_ is forined‘ as: a tubular body -a',,_which pro-1 afterdesoribed;

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ence to such a‘ ?rearm I will hereinafter ex-ji vides a seat for the breech block orbolt car , plainin detail the several‘ features of- my in? 'rier'c, in'pwhich~ the latter is guided in-its rte10 yentlon, although it is to be understood that ciprocation, audit is. extended forward to a

the invention‘ is not to be limited thereby to pointyne'ar the vmuzzle of the barrel. The the precise construction, arrangement, and latter is connected to, the frame‘ at the for ‘ relation of parts which I-have represented. . ward end of the tubular extension and in‘ I 'lnithe drawings, Figure 1 is- a left-hand such a’ manner as to‘ be capable of a limited

Is ‘side elevation of a pistol of the class-referred” double movementhor, "more specifically, of a to which ,is constructed in accordance‘with movement in thedirection of its‘ length and my invention. Figs. v2 and 3are'respectively of a. transverse for partial rotary movement. front and rear end vviewsof the same, Fig; 3 The "barrel does notpres't directly upon the y . being partly broken away. ' Fig. 4 is a vertical frame, but is entered within the tubular so.

longitudinal section of the same on a central breech block or bolt carrier 0, which slides to plane; but. with the breech block‘or bolt car and fro within the tubular extension of the

rier'and some othe‘rparts in elevation, the. frame- and about the barrel, the breech block

breech block or bolt carrier being represented in its closed position in'both Figs. 1 and 4. Figs. 5 and 6 are'sectio'ns on the plane-indi cated by the line at a: of Fig. 4,‘ looking rear¢

ward, showing the parts in different posi

tions. '_ ‘Fig. 7 is'a' longitudinal section on a

or bolt-‘carrier and‘ barrel being on tcred to gether in the frame‘from the 'front end. As a means of connection between the barrel and the frame to permit of the desired movement of the former I prefer the construction which

I have shown in 'the drawings, Figs. 2, 4, 7,

horizontal plane‘ with the barrel in plan view. . ail-d8, and which comprises a collar b’, which Fig. 8 is'a view-generally similar to Fig. 4, is secured to the forward end of the barrel

but with the breech block or bolt carrier also 1),‘ while a-rbushing a5 is secured to the for in vertical longitudinal section and in its ex ward end of the tubular extension a2 of the treme 'rearwz'trd or open position, the sear frame a. I An external shoulder 112 on the col __latch_being shown in the‘ position which it ..lar. b’ ‘and an internal shoulder a“ in the bush

when pressed by the hand of the op .ing a5 limit the rearward movement of the 35. assumes erator in grasping‘ the pistol and inwhich it ‘barrel b withirespect to the frame a. Cam

will permit the movement of the soar to _re-.' 'pinsi-ba, projecting from the collar 1)’, enter lease the hammer, the trigger itself being obliquely-disposed cam‘ grooves or slots 'a”. in shown inits forward position. Figs-9,10, and the bushing zr", so that as the barrel moves

rearward it receives at the same ti me'a. partial 46. 11 aredetail-views of parts .to be referred toll rotation througli'vthc cooperation ofthe said The ?rearm which is, illustrated in the

drawings and embodies .my invention com

cam-pins and the cam-‘grooves. Fora short

. ited doublemovemcnt, and a breech block

thecam-grooi-esare preferably made straight

prises a frame a, a barrel 1;, which has a lim_ distance rearward from their forward ends

or bolt carrier 0, which is caused to slide'to or parallel vwith the axis of the barrel, so that'

and. fro by the: energy of the recoil when a vthe barrel moves rearward _,'for a short dis shot is ?red and by a reaction-sprin g in which . tance before it begins to turn, the object of energy is stored by the recoil. , The rear por-' this being, as will appear, more clearly here tion of the frame crconstitutes the receiver, inafter, to retard the unlocking of the breech and below the receiver. is the- grip or handle somewhat, so. that ‘the powder-gases shall .50 _ _a',“whiclr is preferably made integraliwith ' have their fullv effect.'upon' the projectile be7

t‘herframe, but obviously may bcforined sepa

rately and attached thereto in'anysu'itable

fore the breech isopened.

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'lfhc breech block or bolt'carrier e com

manner. “'it-hin the grip and extending up prises the- brcech-bolt c’, whichj?ts in the ward into the receiver-is arranged a seat or -rear part of the tubular portion'or casing'a” 55' chamber for the reception of the‘ cartridge‘ of the frame, and a forward cylindrical ex mag'nz'ine or holder (1-, which may be made in tension c’, which moves freely and is guided any usual or suitablemanncr,~beingin effect within the ‘casing a."l and-is bored out longi tudinall'y'for the reception of the barrel b, a-slleetE-mctal tube _?in which the "cartridges being of such length that it occupies the eas— 60 are ‘laid-one upon another u ponja spring-fob

lower?l?fby which they are pressed upward

ing a? to within ashort distance of its front

‘ 'end. , The extension_ 0‘ is adapted to be en; toward the receiver. The holder is‘ conveniently retained in gaged by thc’barrel to ~ lock the breechlbolt place within the gri-p‘by' a spring-actuated _'c{ in its closed position, and is also adapted latch (12,’ and its upper end is'open to permit _.1'.c be engaged by the reaction-spring e, which ,. the. escape of the cartridges, the side wallsat is a coiled spring received between the barrel the roar of the opening being turned in to and the tubular extension~ c”, the bore of the

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580,925 latter being of such a diameter as to form a

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space to receive it. The front end of the spring 6 rests against

whereby the barrel and the breech block or bolt carrier are again locked together. It will be understood that the portions of

barrel slides freely, while its rear end rests

latter to move rearwardly for a short distance

the bushing 05, secured in the forward end of the cam grooves or slots a7 which are par the said extension 02 and through which the allel with the axis of the barrel permit the

against the collar b“, loosely mounted on the with the breech block or bolt carrier before rear portion of the barrel 1). Energy is stored the breech is unlocked, thereby delaying the in the spring 6 by the recoil of the breech opening of the breech until the powder-gases 75 block or bolt carrier, and its reaction effects

the forward or closing movement of the breech block or bolt carrier and the barrel. A shoulder c0 is formed on the breech-bolt c’

have had their full effect upon the projectile. Forward of the breech-bolt c’ the breech block or bolt carrier is provided in its upper

side with an opening on, Figs. 4, 5, 6, and 8,

by reducing its diameter to cooperate with a through which the empty shell maybe ejected. collar as at the rear end of the casing c2, Figs. A block can is secured to the frame a in front 4, 7, and S, and thereby limit the rearward of the corresponding opening a1? and enters

movement of the breech block or bolt carrier the opening 0“. (Shown in Figs. 4 and 8.) Its and prevent positively its ?ying farther back. forward end forms an abutment for the collar The collar is cut away, as at a", to accommo b4, Figs. 4: and 8, which supports the rear end of 85 date a spline 07, formed on the breech-bolt c’,

by which means the breech-bolt is kept from turning upon its axis as it moves to and fro.

the reaction-spring e, and a screw (L13 projects

through the framefrom the under side in line with the end of the block a“ to form also an

The extremity of the breech-bolt is threaded abutment for the collar b4, so that the rear end to receive a knob 08, which limits the forward of the reaction-spring e, which rests against movement of the breech block or bolt carrier the collar 54, isin effect supported by the frame and can also be conveniently grasped by the Ct. The screw (L13 projects through an open ?ngers, so that the breech block or bolt car ing 012 in the under side of the breech block

rier can be drawn rearward for the ?rst op— eration of the pistol.

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In front of the breech-bolt c’ and within the bore of the breech block or bolt carrier (see Figs. 5, 6, '7, and 8) are provided one or more

' annular projections 09, from which segments are removed, as at 01° , and on the barrel, near v. its breech, are corresponding annular projec tions or ribs 115, from which segments are also removed, as at 66. The projections b5 on the v

or bolt carrier 0, which is widened at its rear end to form a square shoulder e13 on one side. 95

(See Fig. 4.) ' A piece or block b7 is secured to the barrel ' Z) to move therewith and is adapted to slide in the opening 012, partaking both of the ro

tary and of the longitudinal movements of the barrel.

lVhen the barrel is in its extreme

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forward position with its breech end against the face of the breech-bolt c’, the front end

barrel are adapted to move longitudinally of the block b7 is on a line with the shoulder through the openings 010 in the ribs 09 and to 013, so that the barrel may be rotated to per— enter the grooves in the rear of the ribs 09 mit its sectional ribs or projections b5tointer 105 when the barrel is partially rotated. As al lock with the corresponding sectional ribs or ready described, the barrel moves rearwardly projections c9 of the breech block or bolt car for a short distance with the breech block or

bolt carrier when the latter begins its rear

rier and so to lock the barrel and the breech block or bolt carrier together, the block bT

ward movement, and during the latter part moving laterally into the wide part of the

of its longitudial movement the barrel re opening 6-12 in rear of the shoulder (:13. In ceives a partial rotation through the engage order that the barrel may be unlocked from ‘ ment of the cam-pins b? with the cam-slots a7 the breech block or bolt carrier, it must be in the bushing a5. rotated in the opposite direction until the NVhen the barrel and the breech block or block b7 clears'the shoulder 013. If the breech 115 bolt carrier are in their extreme forward p0-_ block or bolt carrier is then moved rearwardly

sitions, the projections 115 are in engagement while the barrel is prevented from moving

with the projections c9 of the breech block or with it, the block b7 will slide in the forward bolt carrier, as shown in Figs. 5 and 7, there~ narrow part of the opening 012‘ along the

by locking the barrel and the breech block straight part of the side forward of the shoul or bolt carrier together, but when the rear der e13, preventing rotation of the barrel un

ward movement begins and the barrel is par tially rotated, the breech block or bolt car

til the return or closing movement of the

breech block or bolt carrier again brings the

rier is disengaged from the barrel b, as shown shoulder 013 into line with the front end of the I25 in Figs. 6 and 8, and by reason of its momen block 0"‘. tum continues its rearward movement, while

The cartridges are held from escaping ver

block orbolt carrier the barrel is moved for ward with it and at the same time receives

follower d’, so that as the breech-bolt 0’ passes to the rear of the magazine or holder the ?an ge,

the barrel is brought to rest.

During the tically from the magazine or holder at by the last of the forward movement of the breech cars (is, but they are pressed upward by the

a partial rotation in the opposite direction, of the uppermost cartridge is projected up

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ward between the ears d3 into the path of the breech-bolt, and on the forward or closing movement of the latter the cartridge, which is then in an inclined position with the bullet directed toward the open breech of the bar— - rel, is thrust forward by the breech-bolt into

when the pistol is grasped and held in the proper position for ?ring the latch 0 will be

over the upper end of the magazine or holder

tween the trigger and the sear is a connect

breech block or bolt carrier when the latter

without interfering with the same and are

moved so as to release the sear, as shown in

Fig. 8, which represents the several parts in

the positions which they occupy after the latch has been moved and before the trigger is the chamber of the barrel. The lower side pulled. The trigger n is pivoted in the eas of the breech-bolt is grooved to travel freely ing or frame in front of the grip a’, and be

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d, so that the uppermost cartridge can be ing-piece a’, Figs. 4, 8, and 10, which serves thereby brought sufficiently near the axis of to transmit the rearward movement of the the barrel to be inserted into its chamber, as trigger to the sear m. already described. The front end of the connecting-piece is As referred to above, an opening a” is supported upon a shoulder of the trigger, and formed in the top of the frame Ct in a posi in rear of this the piece is divided into two tion to correspond with the opening 011 in the arms, which pass around the cartridge-holder

is in its rearward position to permit of the 20

united in rear of it by a cross-bar n2. ' A

ejection of the empty shell. An extractor f, spring as, bent rearwardly at its upper end, Fig. 8, of ordinary construction, is carried bears again st the cross-bar n2, tending to raise by the breech-bolt to engage the cartridge it and at the same time to yieldingly hold the during the last of the forward or closing connection-piece n’ and the trigger n in their

movement of the breech-bolt and to with draw the shell from the chamber of the bar 25 rel during the rearward or opening move ment of the breech-bolt. The ejection of the

forward position. The center of the cross bar stands normally in‘ front of a forward

projection m3, Figs. 4, 8, and 11, of the sear,

so that as the trigger is pulled and the con—

shell is effected by the ejector operating in necting-piece moved rearwardly the cross-bar conjunction with the ?ring-pin, as described bears against said projection m3 and turns hereinafter.

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In a longitudinal chamber in the breech bolt 0' is arranged the hammer or striker Z,

Figs. 7 and 8, the forward part of which forms the ?ring-pin It. The body of the hammer Zis hollow and contains the coiled mainspring Z’. 35 The rear end of the spring is supported by a pin 01“, ?xed to the knob c8 and projecting

intothebreech-bolt. Thelengthof the?ring

the sear-point m’ out of the path of the shoul der Z3 on the hammer Z, thereby releasing the latter and permitting it to be thrown forward by the spring Z’. On its upper side the cross bar is provided with lugs a‘, one on each side of the projection m3 of the sear, which, un der the action of the spring as, bear against the under side of the breech-bolt c’. Recesses (:15 are formed in the under side of

pin is is such that its point protrudes consid the breech-bolt to correspond with lugs 11,“, so erably from the face of the breech-bolt _c’ and that when the breech-bolt is in its extreme 40 under the pressure of the spring Z’ serves to forward position in readiness for ?ring the

lugs n4 will enter the recesses 015 and permit the cross-bar n2 to rise, so that it shall engage the projection m3 of the sear when the trigger edge of the head of the shell being held by is pulled, but when the breech-bolt is in any other than the ?ring position the lugs a‘, bear 45 the extractor. On its lower side the hammer Z has a longi? ing against the breech-bolt, will depress the - eject the shell when the rearward movement

of the breech-bolt and the extractor has with drawn the same from the barrel, the upper

tudinal rib Z2, Fig. 8, which prevents rotation cross-bar below the plane of the projection m3, of the hammer, while its front end forms a shoulder Z3, with which the sear on may en gage during the forward movement of the breech-bolt to cock the hammer, a slot being

so that the movement of the trigger and of the connecting-piece shall have no effect on

the sear, wherefore only when the parts are in the proper position for ?ring can the ham

formed through the bottom of the breech-bolt mer be released to ?re a shot by pulling the

to permit of such engagement. The scar m trigger. Furthermore, as soon as the rear is pivoted in the casing of the frame at below ward movement of the breech-bolt has begun 55 the breech block or bolt carrier and in the the cross-bar n2 is depressed and leaves the rear of the magazine, the point m’ of the sear sear free, so that under the in?uence of its

in rear of and above its pivot being kept spring m2 its point m’ at once returns into the yieldingly in the path of the shoulder Z3 by a path of the hammer and is in readiness to en- : sear~spring m2. In rear of the sear m is piv~ gage the shoulder Z3 thereof when the breech oted a latch 0, the point 0' of which is held bolt and hammer reach their extreme rear< yieldingly beneath the point m" of the sear ward position and thereby to cook the ham 'm by the sear-spring m2, so that the sear can mer against the stress of the spring Z’ as the not be moved to release the hammer unless breech-bolt is returned to its forward position : the latch is ?rst moved from beneath the sear~ by the reaction-spring 6. By the return of 65 point. To enable this to be done, the lower the sear its projection m3 is moved so as to part of the latch 0 projects through a slot in stand above the cross-bar a2, and the latter the rear of the grip a’ in such a way that therefore cannot resume its position in front

580,925

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of the projection was until the trigger is re frame, a barrel and a breech block or bolt car leased and the trigger and connecting-piece rier having a common longitudinal movement n’ move forward together. Then the lugs it“ and a relative longitudinal movement, of a

again enter the recesses e15 and the parts are connection between said barrel and said frame It whereby a rotary movement of said barrel will be observed that the lugs n4 in this con relative to said breech block or bolt carrier is struction operate as a safety-piece in substan effected as the common longitudinal move tially the same manner as the independent ment takes place, said barrel and said breech 75 safety-piece shown and described in my said block or bolt carrier being formed the one application hereinbefore referred to. ' These with a longitudinal slot and the other with a means permit a positive control of the ?ring, projection engaging said slot and preventing

.in readiness for the ?ring of another shot.

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so that the discharge of two or more shots in

immediate succession before the trigger is re leased is prevented, and it is necessary in or 15 der to ?re a second shot to release the trigger

and pull it again.

The operation of the ?rearm which I have

chosen herein as a convenient embodiment of

my invention will now be readily understood

rotary movement of the barrel during the rela tive longitudinal movement of the barrel and

the breech block or bolt carrier. 3. In a ?rearm, the combination with a frame, a barrel and a breech block or bolt car—

rier sliding longitudinally in respect to said barrel and said frame, said barrel and breech block or bolt carrier having a limited common

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in view of the foregoing description of the longitudinal movement and being adapted to construction, arrangement, and relations of’ be engaged with and disengaged from each its parts. other by a rotary movement, of means where

A cartridge-holder fully charged having by a rotary movement of said barrel relative

been inserted in the seat therefor in the grip

to said breech block or bolt carrier is eifected to disengage said parts as the common longi~ rearward to the full extent by grasping the tudinal movement of said barrel and breech knob 08. This movement draws the barrel block or bolt carrier takes place, and a spring rearwardlyand effects a partial rotation there— interposed between said frame and said 95 of, thereby releasing the breech block or bolt breech block or bolt carrier in which energy 3O carrier from the barrel and opens the breech, is stored by the rearward movement of said a cartridge being at the same time presented breech block or bolt carrier and which returns in rear of the barrel. WVhen‘the knob c8 is re both said breech block or bolt carrier and bar leased, the breech block or bolt carrier is re rel to their initial positions. I00 the breech block or bolt carrier is once drawn

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turned to its former position by the spring e, 4. In a ?rearm, the combination with a the hammer is cooked, the cartridge is trans frame having a tubular seat, a breech block ferred to the barrel, the breech is closed, and or bolt carrier comprising a tubular extension the barrel and the breech block or bolt carrier are look ed together, thus putting all the parts

in position for ?ring. If the trigger is now pulled, a shot will be ?red and the opening movements of the parts will be effected by the recoil, during which the empty shell is ex

tracted and ejected, and thereafter the suc ceeding operations will be effected as before. It will be understood that I do not intend 45 to limit my invention to its application to a magazinepistol, nor to any other particular

and a breech-bolt and free to slide in said seat and a barrel inclosed and movable within-said

tubular extension, of means whereby a rotary movement of said barrel relative to said

breech block or bolt carrier is elfected to dis— engage said parts as the common longitudi nal movement of said barrel and breech block or bolt carrier takes place. 5. In a ?rearm, the combination with a frame and a movable breech block or bolt car rier, of a barrel having a limited rotary move

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kind or class of ?rearm, nor to the use of the ment with respect to said frame, said barrel I15 several features together in one common and breech block-or bolt carrier having inter 50 structure, nor to the precise construction of locking segmental ribs. . those features which I have herein shown and 6. In a ?rearm, the combination of aframe described. I having a tubular seat, a tubular breech block What I claim, and desire to secure by Let or bolt carrier mounted movably in said seat, I20 ters Patent, is— and a barrel inclosed and movable within said 1. In a ?rearm, the combination with a tubular breech block or bolt carrier. frame, a barrel and a breech block or bolt car 7. In a ?rearm, the combination of a frame rier having a common longitudinal movement having a tubular seat, a breech blocker bolt and a relative longitudinal movement, of a carrier comprising a tubular extension and a I25 connection between said barrel and said frame breech-bolt and free to slide in said seat, and whereby a rotary movement of said barrel a barrel inclosed and movable within said relative to said breech block or bolt carrier is tubular extension. effected as the common longitudinal move 8. In a ?rearm, the combination of a frame ment takes place, and means preventing ro having a forward, tubular extension, a breech tary movement of the barrel during the rela block or bolt carrier free to slide in said ex» 65 tive longitudinal movement of the barrel and tension and comprising itself a breech-bolt the breech block or bolt carrier. and a forward tubular extension, and a bar 2. In a firearm, the combination with a rel inclosed within the tubular extension of

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the breech block or bolt carrier, and connect ed at its front end to the forward extension of the frame. 9. In a firearm, the combination with a

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13. In a ?rearm, the combination of a lon

gitudin ally-1n ovable breech block or bolt car rier, a hammer, a scar, a trigger, and a con

necting-piece to transmit pressure from the 60

frame having a forward tubular extension provided near its front end with cam-slots, a breech block or bolt carrier free to slide Within said tubular extension, and a barrel formed to engage said breech block'or bolt carrier

ing a lug to bear upon the breech block or bolt carrier to hold said connecting-piece out of operative relation with said scar and to

10. In a ?rearm, the combination with a

rier to permit the connecting-piece to move into operative relation with said sear. 14:. In a ?rearm, the combination of a slid

and having pins to engage said cam-slots.

frame and a reaction-spring supported by

said frame, of a breech block or bolt carrier free to slide in said frame and connected to 15 said reaction-spring, and a barrel formed to engage said breech block or bolt carrier and having a cam slot and pin connection with

trigger to the sear, said connecting-piece hav

enter a recess in said breech block or bolt car

ing breech-bolt, a hammer cocked by the

movement of the breech-bolt, a scar having a point to engage said hammer, a trigger to operate said sear, a latch freely movable to engage said sear-point and prevent its re lease from the hammer and to release said

said frame, whereby said barrel has a limited longitudinal and rotary movement to engage sear-point, and a spring acting upon said 75 and disengage said breech block or bolt car latch to hold it normally in engagement Wit-l1 rier. - the sear-point and yielding to permit its

11. In a ?rearm, the combination of a frame having a seat to receive a breech block or bolt carrier, a breech block or bolt carrier mount 25 ed to slide in said seat and having a chamber

having a cartridge-magazine in the grip and

12. In a ?rearm, the combination with a frame, a breech block or bolt carrier sliding in 40 said frame and comprising a. breech-bolt and .a forward extension from said breech-bolt, a

hammer and a forward projection, a trigger, 95 a connecting-piece to transmit pressure from

release.

_

15. In a ?rearm, the combination of a frame

having a slot in the rear of said grip, a ham

to receive the barrel, a barrel movably mount mer and a scar pivoted in said frame in rear of ed in said chamber, said breech block or bolt the grip, said sear having a point to engage carrier and barrel having segmental ribs and said hammer, a trigger pivoted in front of the grooves for engagement, and a cam slot and grip and provided with a connector to oper 85 .pin connection between said barrel and said ate said sear, a latch pivoted in and project frame, whereby, as the breech block or bolt ing through said slot and freely movable to carrier is moved rearward the barrel is moved engage said sear—point and to release the rearward with it and is rotated to release the same, and a spring acting upon said latch to breech block or bolt carrier, and as the breech hold it normally in engagement with the sear 9O 35 block or bolt carrier is moved forward, the point and yielding to permit its release. barrel is moved forward with it and is rotated 16. In a ?rearm, the combination of‘a slid to reéngage the breech block or bolt carrier. ing breech-bolt, a hammer, a scar having a

barrel movably mounted in said extension,

means to limit the movement of the barrel, said extension of the breech block or bolt 45 carrier having an opening in front of the

rearwardly-extending point to engage the

said trigger to the forward projection of said sear, said connecting-piece being in operative relation with said breech-bolt whereby the end of said connecting-piece is moved by said breech-bolt out of the path of said pro jection in position to be engaged and held

breech-bolt, a cartridge holder “and feeder supported in the frame beneath said breech thereby when the sear returns to normal po~ block or bolt carrier, whereby, as the breech _ sition after operation, to prevent a further block or bolt carrier and barrel are moved

rearward, the movement of the barrel is in terrupted and a cartridge is fed into the open ing of the breech block or bolt carrier in po sition for insertion into the barrel and on the forward movement of the breech block or bolt

55 carrier is inserted by the breech-bolt into the barrel.

movement of the sear until the trigger is re I

leased and pressed again.

This speci?cation signed and witnessed this

17th day. of October, A. D. 1896. JOHN M. BROWNING. In presence of_— .

MATTHEW S. BROWNING,

M. J. HALL.

I00