US363577A

US363577A - And adolphe decortjs

Info

Publication number: US363577A
Authority: US
Publication date: 1887-05-24
Anticipated expiration: 1904-05-24

Description

(No Model.)

2 Sheets- Sheet 1. H. 0. BERG 8v A. DECORTIS.

GONGEALED HAMMER GUN.

No. 363,577. Patented Ma 24, 1887.

L". il; M2M. l 2% van am www 0, mf/7 MQ UMH 2 Sheets-Sheet 2. H. O..BBRG 8: A. DECGRTIS.

GONGBALED HAMMER. GUN. No. 363,577. Patented May 24, 1887.

(No Model.)

nire freres HART O. BERG, OF BRICK CHURCH, NEW JERSEY, AND ADOLIHE DECORTIS,

' OF CHARATTE, LIEGE, BELGIUM.

CONCEALED-HAMMER GUN.

SPECIFCATION forming pari: of Letters Patent No. 363,577I dated May 24, 1887. Application filed February 10l 1857. Serial No. 227,134. (No model.) Patented in Belgium November 2, 1886, N5, 75,0?1.

To all whom, it magy concern.'

Be it known that we, HART C. BERG, of Brick Church, Essex county, New Jersey, and ADOLPHE Dnconris, of Charette, Province of Liege, Belgium, have invented n new und useful Improvement in Hnmmcrlcss Gnus, which improvement is fully set forth in the following specification.

This invention hns reference to the construction of breeclrlonding smnllnrnis, and more particularly to the soenlled hammerless guns.7

The object of the invention is io improve in several respects the action of the gun with n view to securing greater simplicity, cheapness Of manufacture, and less liability to get ont or" order. t

In guns of this class many different devices have been contrived whereby the cooking of the gun is effected by the dropping down oi the barrels to remove the exploded cartridge. Guns or" this elnss have also been contrived in sneh wey that 'the dropping down of the harrel raises 'the .hammer to linll'-cock, and the cooking is completed by the return movement of the barrels to their normal position.

According to the present invention the linminers nre half-cocked by the key when the lotter is turned to withdrew the bolt end permit the dropping down of the borrels, the hinniner being in contact with the end oi the boit.l and. the iitnimers are carried to full-nook by the dropping down of the barrels, en incline or cam snrince on the i'orw Il lump acting against the end ei' the bolt, onsliin n iin of itsmotion.

Lne liner nier is eur-ri on rod eneircled lov n spiraal spring, eo stitntes the me* ring of e rod is pushed bock by the eoiion o; np end bolt, the spring ic ooinpressed, s thereby put in operative position This use of n sp l s ring the f tutes In the present invention the senr is n leefspring screwed at one end tothe trigger-platte and having o detcnt for engagement with the notches of the tumbler near its free cud. In firing, the trigger dcpresses thesezugrelensing the hammer. In cooking the gun n rod in Contact with the bolt is pushed back. This rod, acting through an intermediate lever, forces n sliding block under the senr, which prevents the letter being depressed to release the hem mer. The dropping down ofthe bnrrels therefore cocks the gun and automatically locks the senr in n position of safety. Connections are alsol provided for locking nud releasing the senr by hand. This construction of the senr and safety mechanism is simple and effective. In ordinary gun-notions the Sear is o,- pivoted piece under the influence of aspiring. In the present invention the pivoted piece is dispensed with. Thefrepented lifting oi' the senr-spring by the sliding bnr tends to prevent loss of resiliency of the spring, and therefore increases its durability.

The forward lump, which nets upon the bolt to cool; the hummer, hns two cem-farces inclined; in opposite directions. The object of the second or lower cem-fece is to oct upon the bolt end push it beck in order to replace the borrels when the lntterlinvc been removed entirely from the stock, as i'or purposes of transportation. Cnly the upper cuni-face nels upon the bolt in the ordinnry operation oi' dropping down the borrels und cooking the herinner?.

In 'the nceoniptnying drawings, which forni 'part oi this specification, Figure I is :i side View, nortly in scot-ion, of n gnn constructed Jvnce with the invention; Fig. Il, n

"e", the borrels being dropped down; .y i, n rear view oi' the break-off, one of hnnnners being removed; Iiig. lV, n dcne teil view of the bolt and key inverted, nud

the breakbff, and its rear end (shown in Fig. III) is in` contact with the hammers 8, (only one of which isshown in the drawings.) The hammer 8 is carried by a rod, 9, which slides in a hole in the break-off. Around this rod is coiled a spiral spring, 10, which constitutes the mainspring. The bolt 7 has on its under side projections 11 12. (See Fig. IV.) In contact with projection 11 is a key, 13, on the lower end of a shank, 14,to the top of which is screwed a hand-lever, 15.

As shown in Fig. I, thelockingedges of the bolt are in the recesses and 6 ofthe lumps 3 and 4, and the barrels are therefore locked in place. When the key 13 is turned by the bandi lever 15, as in Fig. II, it vpresses against the projection 11 of the bolt 7 and withdraws the latter from the recesses 5 and 6. By the same motion the rear end of the bolt, acting against the hammer 8,withdraws the latter sufiiciently for the first notch of the tumbler 16 to be engaged by the sear 17. The gun is then at halfcock, the mainspring being but slightly compressed. The front edge of the bolt 7 is now in a position to,y be acted upon by the incline or cam-surface 18 of the forward lump, 2, and as the barrels are dropped down this cam-surface gradually pushes back the bolt, and consequently the hammer also, until the parts assume the position shown in Fig. II, the hammer 8 being then at full-cock.

lThe mainspring 10 bears at its forward end against the collar 40, xed on the end of the rod 9,and at its rear end against the loose collar 41. The latter is held in the recess by the head of screw 42. Thus, when 'the rod 9 is pushed back, the collar 41 remains stationary, being held by the head of screw-42, whereby the mainspring is compressed. The hammer and mainspring can be readily removed, if desired, by taking out the holding-screw 42.

Above the rod 9 is a small guide-rod, 43,at tached to the hammer 8. This rod 43 works in a hole, 44, in the break-off. (Shown in Fig. III.)

The sear 17 is a leaf-spring screwed at 20 to the trigger-plate 39, and having near its free end a catch or detent, 2l, which engages the notches in the tumbler 16. The scar projects baekwardly, and the forward end of the trigger 19 bears directly upon it, so as to depress the sear to release the hammer and discharge the gun.

The upright pin 45, fixed to the triggerplate, bears at its upper end against the underside of the tumbler 16. When the sear is depressed by the trigger, there is a tendency to draw the tumbler down with it, and thus' end can slide under the sear, locking the latter in place. This bar is slotted (see Fig. V) so as to embrace the stationary block or lng 38, in which the triggers 19 are pivoted. To the rear end of sliding bar 22 is pivoted a lever, 23, fulcrumed at 24 in the block 38. To this lever, on the other side of the fulcrui'n, is pivoted a rod, 25, which is slotted near its end for the passage of the fastening-screw 37. This rod 25 projects forward'between the hammerssuiiieientl y far to be struck by the bolt 7 before it reaches the backward limit of its motion under the influence of the cam 18.

As shown in Fig. III, the hammers have grooves 36 for the passage between them of the rod 25. When the rod 25 is thrown back by the movement of the bolt 7, the lever 23 is thereby operated to push the end of the bar 22yunder the sear, as shown in Fig. II. The upper end of lever 23 is embraced by the forked end of slide, 26, whereby it can be operated by hand to either lock or unlock the' sear.

A light spring, 27, engages a pin, 28, on the bar 22, bearing with sufficient pressure to prevent the accidental movement of the latter.

When the barrels are raised again into their normal position, the bolt 7 is automatically thrown into engagement with the lumps by the action of a spring, 30, screwed at one end to the tail-piece 31 and at the other entering a notch in the shank 14 of key 13. When the handle 15 is moved to one side, it turns against the pressure of the spring 30; hence the latter tends to return it to its normal position as soon' as the bolt is free from contact of the cam 18.

As clearly shown in Fig. IV, the key 13 always has a bearing on the bolt 7, by reason `of the projcctions 11 and 12, so that in ease of failure of the mechanism to act properly the bolt can always be thrown by hand by means of the key and its operatinghandle 15.

The striker'pins 32 slide freely in holes in thebreakoif. They are held in place and their motion limited by a holding piece or bar, 33, let into a groove in the break-ofiI and fastened by a screw. The ends of the bar 33 extend a short way into the holes provided for the striker-pins, ythe Shanks of the latter being cut away for a short distance from their rear ends sufficient to permit the requisite longitudinal movement.

The forward lump, 3, of the gun, in addition to the cam-surface 18, has a second cam-su rface, 35, beneath the formerand inclined in the opposite direction. In-the ordinary action of thegun this cam performs no function. When, however, the barrels have been removed entirely from the stock, as for convenience in packing for transportation, and it is desired to put the parts together again, the bolt7 has to be pushed back to its farthest limit against the pressure of both mainsprings. This would be very difficult but for the secon'd incline or camsurface, 35, on the lump, which performs duplication of that described.

ltwil'l furtherbe understood that4 'parts`of the invention may be used without the whole,

` and that modifications maybe made in details spirit of the said invention.

Having now described our said invention and the manner of carrying the same into effeet, what we claim, and desire' to secure by of construction Without departing'fro'm the Letters Patent, is-

1. The combination, with the hammer, of the locking-bolt having its rear end in contact with said hammer, and the forward lump having a cam-surface on its rear side, which acts on said bolt when dropping down the barrels to force it back, and thereby cock the hammer, substantially as described.

2. In a drop-down gun, the combination of the barrels, the lump having a cam-surface, the locking-bolt in contact at its forward end with said lump and adapted lto be retracted by said cam in dropping down the barrels, the hammer in contact with the rear end of said bolt and carried by a sliding rod,and the spiral mainspring'encircling said rod, substantially described. 3. The combination of the barrels, the lump or lumps having a locking recess or recesses,

the sliding bolt, thehammer in contact with the rear end of said bolt, the key engaging said bolt and adapted to withdraw it from said recess or recesses and to put ythe hammers at half-cock, and the cam-surface on the forward lump for acting on the boltas the barrels are droppeddown and bringing the hammer to full-cock, substantially as described.'

4? The combination, with 'the barrels of. a'

drop-down gun and the lumps thereon, of the locking-bolt, the key and, hand-lever for operating the same, the hammer carried by a sliding rodra spiral mafhhspning encircling the same, and a' eamlsurlaeeoirthe forward lump for retracting said bolt, whereby the hammer is pnt at full-cock,v slbstantially'asdescribed. 5. In a drop-down gun, the combination of l i the lump or lumps, the locking-bolt in .con

tact with the forward lum'p, the hammer in contact with the rear end of said bolt, andthe mainsprin-g, the forward lump being provided with two cam-surfaces, one above Ttli'e other, inclined in opposite directions, substantially as and for the purpose described.

6. The combination, with the hammer'and means for eocking the same, of the sear comA posed of a leaf-spring having a catch or detent near itsfree end, substantially as described.

7. The combination, with the hammer and mainspring, of a sear consisting of a leafspring having acatch or detent, aud a sliding bar for insertion under 'the sear to hold the same in contact with the tumbler to loclt the hammer in a position of safety, substantially as described.

8. The combination, with the hammer and mainpring, of the sear consisting of a spring screwed at one end to the trigger-plate or other suitable part, the sliding bar to lock the seal' in place against the action of the trigger, and devices for operating said bar automatically, substantiallly asdescribed. 9. The combination of the hammer, the bolt, devices,as specified, for retracting said bolt and thereby cocking said hammer upon the drop- 'ping down of the barrels, the sear consisting of aleaf-spring havinga detentformed thereon, the sliding bar,and suitable connections-sncli as a lever and rod-whereby said bar is moved to lock the sear in engagement with the hammer bythe withdrawal of said bolt, substantiall y as described.

10. The combinatiomwith the hammers and operating mechanism, of the striker-pins having their shanks partly cut away, and a bar or holding-piece let into the break-ofi', whereby both said pins are held in place, substantially as described.

1'1. The combination,with thecockng mech ansm, of the hammer carried byarod sliding in a hole in the break-off, and provided with a guide-rod, also sliding in a holein the breakoff, substantially as described.

12. The combination of the hammer, the sliding rod working in a hole in the break-off, the mainspring encircling said rod, 'the loose collar thereon, and the holding-screw bearing against the-end of'said collar, substantially as described. jf

13. The co ination of the sliding rod, the hammer carried thereby, the tumbler, the scar adapted to engage notches onsaid tumbler, and a stop bearing against the under side of th'e tumbler andpreventing its movement in the direction of the scar when depressed by I the trigger, substantially as described.

In testimony whereof we have signed this I specification in the presence of two subscribing witnesses.

HART O. BERG.

ADOLPHE DECORTIS.

Witnesses to signature of H. 0.*Berg:

PHILH MAURO, C. J. HEDRIOK, Witnesses to signature of Adolphe Decortisl:

L. GRIMnERrnUx, J. B. MaWE'r.