US230582A - Fire-arm - Google Patents

Description

(No Model.) 2 Sheets-81188111.

' D. SMITH.

Fire Arm.

No. 230,582. Patented m 27,1880.

N. PETERS. PHOTDLPTHOGRAFHt ER, WASHINGTON. n C.

(No Model.) 2 Sheets-Sheet 2. D. SMITH. Fire Arm.

No. 230,582. Patented uly 27,1880.

N. PETERS. PHOTGLITHOGRAPHER, WAsHiNGTON, D, c.

UNITED STATES PATENT Erica...

DEXTER SMITH, OF SPRINGFIELD, MASSACHUSETTS.

FIRE-ARM.

SPECIFICATION forming part of Letters Patent No. 230,582, dated July 27, 1880. Application filed May 28, 1880. (No model.)

To on whom it may concern Be it known that I, DEXTER SMITH, a citizen of the United States, residing at Springfield, in the county of Hampden and State of Massachusetts, have invented new and useful Improvements in Extractor-0perating Devices for Fire-Arms, of which the following is a specification.

My improvements relate to devices for operating that class of firearm extractors which are caused to recede from the rear of the cartridge-chamber and draw .the shells therefrom by theswinging of the barrel upon the frame, or vice versa; and the object thereof is to provideanoveljoint-connection between the frame and the extractor-operating cam, which affords improved facilities for disengaging the said cam from the action of the frame upon it, so that the barrel and the frame may be freely swung upon their hinge without operating the extractor, and by the use of which the extractor may be caused to spring back from any point in its outward movement, and be so operated upon with unusual facility.

1 attain the above-named objects by the employment of the devices and by the construction illustrated in the accompanying drawings, in which- Figure 1 is a perspective view of a pistol embodying my improvements. Fig. 2 is a side view of the hinge-bolt of the pistol constructed according to my invention. Fig. 3 is a similar view of said bolt, showing an edge view of the extractor-cam upon it and its position relative to said bolt when it operates the extractor. Fig. 4 is a side view of the extractorcam. Fig. 5 is a plan view of a portion of the under side of the barrel, showing the hinge portion thereof in section. Fig. 6 is an innerside view of the hinge portion 0 of the barrel. Fig. 7 is a side view of the hinge portion of the frame, with the front flange broken away to show the inner face of the adjoining flange. Fig. 8 is a side elevation of a part of the barrel, showing the cylinder, the extractor-stem, and the extractor-cam in operative positions, a portion of the barrel-hinge being broken away for that purpose. Figs. 2 to 8, inclusive, show enlarged views of the parts which they represent.

every possible facility for operation under any circumstances, as hereinafter explained.

The hinged portions of the frame and barrel are constructed in the usual manner, providing for the insertion centrally therein of the extractor-cam a, with its arm reaching up against the end of the extractor-stem, as seen in Fig.8. Through the combined flange parts of said hinges and cam, from side to side thereof, is formed a bolt-hole of uniform diameter, as shown in Figs. 4, 6, 7, and 8.

A hollow bolt, B, is fitted to the above namedbolt-hole, and is adapted to enter it in a direction toward a person holding the pistol in his right hand, so that the small end of said bolt will point toward him, the head of it being countersunk partially into the outer surface of the flange part d, Fig. 7, of the frame.

It will be seen that a notch, 2, is made in the edge of the bolt-hole in the flange d, Fig.

7, and one of like width, and coinciding with that in position, is made in the edge of the flange e, Fig. 5, which is located behind the extractor-cam. (Seen in Fig. 8.) Flanges cl and e operate face to face when the barrel and the frame swing upon their hinge.

The next adjacenthinge-flange, c, onthe barrel is provided with a ring, 3, encircling the bolt-hole through it, and said ring has acam cut on its inner face, as seen in Figs. 5 and 6, said out being deepest at 4., Fig. 6, and runnin g suddenly up to the surface at 5.

The flange i of the frame, Fig. l, operates outside of the flange c, and is countersunk 011 its outer face to partially receive the nut 6 of bolt B,

Theextractor is held against the end of the cylinder by a spring in the usual way, and the cam 01, in working said extractor, operates against the force of said sprin Bolt B, as before mentioned, is bored out longitudinally from its screwed end toward its head, and a slot is cut in one side of it nearly its whole length, as seen in Fig. 3, and at the end of said slot is fixed a stud, 7.

Nut 6 is fitted to the screwed end of bolt B, and is perforated centrally,for apurposehereinafter described.

A. plunger, 0, is fitted to the chamber within bolt B, and has formed upon it two short arms, 8 9, adapted in thickness to the width of the aforesaid slot in the bolt, so that said plunger may be inserted within the bolt, its arms in the slot therein, and in this position be moved freely back and forth in the bolt. Between theinner end of the plungerso placed in bolt B and the bottom of the plunger-chamber in the latter I insert a coiled spring, 10, and having thus inserted the spring and the plunger, the perforated nut 6 is passed over the end of the plunger, leaving the latter projecting beyond it, as seen in Figs. 2 and 3.

When the parts of the bolt or those just named which are-immediately connected therewith are in place and nut 6 is screwed quite down, spring 10 throws the plunger so far toward the nut as to cause arm 9 thereon to press against the nut; but when the bolt and said parts are placed through the bolt-hole in the hinge-flanges to the frame and, barrel said arm 9 bears against the deeper portion of the camcut 4 in ring 3, Figs. 6 5, spring 10 forcing it there.

The extractor-cam a has a recess countersunk around the border of the bolt hole through it, as shown in Fig. 4, and by dotted lines in Fig. 3, and a notch, n, is cut in one side of said hole. (Shown also in Fig. 4.) This notch 12 is longer than those before mentioned in flanges d and 0, so made for a purpose hereinafter described.

The relative positions of the cam a and.

arms 8 and 9 on plunger 0, when those parts and bolt B are in operative position in the hinge'of the pistol, are shown in Fig. 3, where 7 arm 8 is seen in notch n in said cam, and arm 9 to the right of it, arm 8 in said figure being shown in dotted lines.

In assemblingthe heretofore-described parts in the pistol the barrel and frame are placed together in the usual manner. The cam a is inserted between the hinge-flanges 0 and c of the barrel, with its arm in the position shown in Fig. 8, and bolt B is inserted, as before described, and nut 6, being screwed on, secures it. When the bolt is thus placed stud 7 thereon enters notch 2 in flange cl of the frame, preventing it from turning therein, and a corresponding notch through the edge of flange e of the barrel, Fig. 5, allows arms 8 and 9 on the plunger to pass also into the hinge with the latter, bringing, as before said, the side of arm 9 into the cam-cut on flange c. In passing thus through cam an arm 8 on plunger 0 is brought directly into notch n in said cam, and the above explains the relative position of the various parts before the barrel and frame are swung upon their hinge to operate the extractor. When they are so swung arm 8 on plunger 0 moves in notch a in the cam a short distance freely, to permit of opening the pistol before the extractor is moved but it immediately engages against the side of said notch next to the cam-arm, causing said cam to rotate against the end of the extractor-stem, pushing it through the cylinder, and the cam moves thus until arm 9 is brought against the part 5 of the cam-cut in flange c, Fig. 6, whereby plunger 0 is caused to recede into bolt B, carrying arm 8 away from its engagement with the notch in cam a, and allowing the spring which retracts the extractor freedom of action against cam a, through its arm,- to throw it back to its starting-point, and when the pistol has been nearly swung up to a closed position again the cam will be brought back to a position which will allow arm 8 to again snap into the notch n, the plunger 0 having been so actuated by spring 10 in bolt B.

When it is desired to open the pistol without allowing the extractor to work, arm 8 may be moved out of notch a in the cam a by pressing upon the end of the plunger 0, which project-s outside of the hinge, as seen in Fig. 1; and in like manner, at any stage in the outward movement of the extractor, the plunger may be operated to let the extractor fly back against the end of the cylinder.

In Fig. 1 is shown in full and in dotted lines the end of plunger 0, illustrating its position before and after the extractor has been projected from the cylinder sufficiently far to draw the shells from it. It will be seen thereby that in swinging the hinge parts of the pistol the plunger 0 is made to recede into bolt B by the operation of the devices above described, and release the cam a, and at a certain point in its inward movement it is automatically released and slides out to its starting-point.

What I claim as my invention is 1. In combination with the hinge parts and extractor-operating cam of a fire-arm, a springbolt arranged in the hinge-pin, said bolt being provided with a lateral stud or projection which engages with a corresponding notch in the cam, and the end of said bolt extending to the outside of the frame, so as to permit its operation by pressure of the hand, in the manner substantially as set forth.

2. The combination, with the hinge parts of a fire-arm and the extractor-cam a, of the hollow slotted bolt B. adapted to oscillate with one of said hinge parts, and provided with the spring-actuated plunger 0, having one or more arms projecting therefrom, substantially as and for the purpose described.

3. In combination, the hinge-flange d of the frame, provided with the notch 2, the hingeflange c of the barrel, provided with the cam 3, the extractor-cam a, provided with the notch IIO V nna-W n, and bolt B, provided with plunger 0 and 0 and the hinge-flange 0, provided with a cam spring 10,suhstm1t,ially as and for the purpose adapted to cooperate with said plunger, subset forth. stantially as and for the purpose set forth. 10

4. The combination, with the hollow bolt B, DEXTER SMITH.

adapted to oscillate with one of the hinge parts In presence of--- ofa, fire-arm, and the extractor-cam a, provided WM. H. OHAPIN,

with notch n, of the spri11g-aot1mted plunger JAMES WILSON.

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