US237432A - William h - Google Patents

Description

ma Modem 4 I W. H. DAVENPORT.r Breach Loading Fire Arm. No. 237,432.- Patented Feb. v8, 1881y WITNESS-2s. l I

"E l I MAM INVENTOR.

UNITED STATES l PATENT OFFICE` WILLIAM I-I. DAVENPORT, OI" PROVIDENCE, RHODE ISLAND.

BREECH-LOADING FIRE-ARM.

SPECIFICATION forming part of Letters Patent No. 237,432, dated February 8, 1881. Application iled September 16, 1880. (No model.)

To all whom fit mag/concern:

Be it known that I, WILLIAM H. DAVEN- PORT, of Providence, in the State of Rhode Island, have made certain new and useful Improvements in Breech-Loadin g Fire-Arms; and I do hereby declare that the following specication, taken in connection with the drawings making a part of the same, is a full, clear, and exact description thereof.

Figure l is a section of the breech and lockframe, 'showing the position of the mechanism with the hammer invcontact with the firingpin. Fig. 2 is a ysection of same, showing position of mechanism with the piece at halfcock. Fig. 3 is a section of same, showing position of the mechanism with the piece at fullcock. Fig. et is the locking-bolt. y

My improvements relate to the mechanism for rebounding the hammer of the piece, and for locking and unlocking the barrel, and have for their object the better securing of the latter, and the easier, .'quieker, and more convenient release thereof.

A, Figs. 1 and 2, is asection oi' the lockframe, which is made whole without removable sides, and with a suitable interior chamber for the reception of the lock mechanism, and provided with grooves and bosses for the support of the sev-eral parts.

B is asection of the barrel, which is hinged to the end of the frame A to secure the upwardmovement of the breech for the insertion of the cartridge.

C is the hammer, which works through a central slot in the breech-block.

D is the ring-pin, which projects through the center of the breech-block.

E is the mainspring; F, the triggen'and G the cartridge-extractor.

H is a locking-bolt, held in longitudinal grooves uponthe inner side of the frame, and workin g therein to engage and disengage the lugs I I upon the under side of the barrel.

K is a thumb-lever, projecting through a slot in the frame A, in the rear of the hamme'r U, and, through the connecting link or bar L, operates the lockingbolt H by the action of the hand, similar to that required for cooking the piece. The link L is provided with a slot, M, which works upon the center bolt. N. and

fullcock, as shown with a pin or lug, O, to engage the arm l? of the hammer. v

Q is a spring for throwing forward the lever K.

Having described the several parts of my invention, I will now proceed to describe their combined operation, commencing with the mechanism in the position shown in Fig-3 that is, the piece at full-cook.l To discharge the piece, the trigger F is subjected to a pressure sufficient to overcomethe resistance ofthe spring R and release the hammer C. which brings ,into action the mainspring E. The mainspring E is connected to the arm S ot' the hammer' C by a stirrup, T, an open bearing being made in the end of the spring E for the reception of the laterallyprojectin g pins. As soon as the mainspring E is thus brought into action, it suddenly lifts the arm S ofthe hammer, and at the same time carries forward the top of the same with great force until it strikes against the firingpin D, as' shown in Fig. l, and discharges the piece. The mainspring E does not, however, follow the hammer during the Awhole of its forward movement, but is arrested, asthe latter approaches the completion of its stroke,'bycoming in Contact with the pin or lug O upon the link L, as shown in Fig. l. The projecting pins of the stirrup T are free, however, to leave their bearings in the end of the spring E, so that the hammer C is not arrested in its forward movement, but completes it by the momentum already acquired. The hammer C, being thus freed from the pressure of the spring E at the proper time, wilhthrough the concussion of its blow upon the tiring-pin D, aided by the backward pressure of the trigger F, exerted through the spring It, be caused to rebound to the position of half-cock, as shown in Fig. vil. As the hammer completes its rebounding movement its connection with the mainspring E is re-established by the return of the pins oi' the stirrup T to their bearA ings, before described, as shown in Fig. 2, and the piece is ready to be again brought to a in Fig. 3l The piece having been discharged and brought to a halfcocli, as described, the lever K is pressed back, and, through the link L, draws back the locking-bolt H until the latter clears the l/ugsI I upon the under side Qi' the barrel, all as shown in Fig.\2, the movement of thelink L in veither direction'being limited by the slot M. The barrel is now unlocked, and with a slight pressure of the hand may be tipped to receive a new cartridge, as shown by the dotted lines,

Fig. 2, and after the insertion of the same it may be again locked by bringing it back to its former position and removing the pressure from the lever K, .which will then be thrown forward by the spring Q, and through the link L slide the bolt yH to engage the lugs I 1.

While the parts remain in the position described and shown in Fig. 2 thev Abarrel is capable ot being unlocked and locked in the manner set forth. Now, taking the parts in the position as shown in Fig. 2, (except the locking-bolt H, which fully engages the lugs I l,as shown in Figs. l and 3,) ifit is desired to discharge the piece the hammer C is drawn back to a full-cock, as shown in Fig. 3. .Dnr-

renders the withdrawal of the latterimpossible until the rebound has` carried the piece again to a half-cock. While the barrel remains unlocked' ,the piece cannot be brought to a fullcock, the arm P of the hammer G'coming inl contact with the pin or lug O.

It will now be readily seen that the' bolt H can only be Withdrawn when the piece is at half-cock, and that both at full-cock and at the i'nstant of explosion it is secured beyond the possibility of removal, either by accident or by pressure upon the snap K.

What I claim as my invention, and desire yl. The combination of the link L, having .lug O, bolt H, lever K, and hammer C, having arm l), as set forth.l

2. The combination of the hammer C, having projection V, link L, having lug O, bolt H,

having ear W, and lever K, as set forth.

fThe combination of link L, having lug O, hammer C, having arm P and projection V, bolt H, having ear W, and a lever, K, as set forth.

4. The coinblnation of hammer C, having arm S, stirrnp T, spring E, link L, having lug O, trigger F, and spring B, as set forth.

WM. H. DAVENPORT.vh

Witnesses:

WALTER B. VINCENT, JoHNJ. CoLToN.

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