US39501A - Improvement in gun-locks - Google Patents

Description

l. H. SHAPLEY.

GuILLOGk. No. 39,501. Patented'Aug. 11, 1863.

Urirrnn r rEs ATENT Grinch.

IMPROVEMENT IN GUN-LOCKS.

Specification forming part of Letters Patent No. 39,50j, dated August 11, 1863.

To all whom it may concern:

Be it known that I, J. HAMILTON SHAPLEY, of Exeter, in the county of Rockingham and State of New Hampshire, have invented a new and useful improvement for side looks with horizontal or sidewise motion of the hammer for fire-arms; and I. do hereby declare that the followingis a full, clear, and exact description of the construction and operation of the same, reference being had to the accompanying drawings, making a part of this specification, of Which Figure l is a perspective view of the interior of a lock; Fig. 2,the hammer and the different parts connected therewith; Fig. 3 the dog or sear and the different parts of it.

In Fig. 1, the letters A B O D representthe plate, on which two shoulders or flanges, EE are constructed lengthwise of the plate, with a space between the flanges and an aperture or hole through the plate between them, but not as long as the flanges. In one end of both flanges spaces or slots are out, as at G.

Fig. 2 represents the hammer and the different parts connected therewith, of which R is the hammer; S, the shank, L, the heel; T T notches on the front of the heel; U, the screw or pin hole on which the hammer turns, and NV a curvilinear projection from the back of the heel, against which the mainspring M operates to throw the hammer forward.

In Fig. 3, H H H represent the sear I I, the side arm, and J another arm at right angles horizontally with I I, and Q the nose of the scar, and in the side arm, I I, is a small slot. Through the face of the plate the heel L, Fig. 2, of the hammer is inserted between the flanges on the inner side of the plate, and there secured by a screw-pin, 0, Fig. 1, passing though the flanges and heel of the hammer at U, Fig. 2. The sear H H H Fig. 3, is perpendicular and at right angles to the arm I I, and the arm J is at right angles and horizontal to the arm I I. Projecting from the part H H H is a nose, Q, forming an obtuse angle with H and of the width of the space between the flanges where it plays. H and H of the sear are placed in the slots Gin the ends of the flanges, which brings the nose Q of the sear to the notches T and T 011 the front of the heel of the hammer. The sear is secured in its place by the arm I I, passing along the side of the flange E In the arm I I is a slot, through which a small screw, 1?, passes into the flange E and on this screw the arm I I slides. The trigger of the rifle or gun rests against the back of the arm J. When the hammer is pulled half back or half-cocked, the nose of the searis, by the spring K, (which is securedby a screw to the side of the flange E at Fthe end of the spring presses against the sear at H,) pressed into the bent T, and there secures the hammer at the half-cock. On again pulling the hammer farther back, the nose Q of the sear is pressed into the bent T, where the hammer is there held by the nose Q of the sear, at full-cock. By pulling the trigger against the arm J, it presses the arm I I and the sear H H H forward, which re lieves the nose of the sear from the notches of the hammer, and the force of the mainspring M throws the hammer forward upon the cap, to explode it.

The shape of the plate and of the hammer may be made of any fancy design.

\Vhat I claim as my invention, and desire to secure by Letters Patent, is

The sear and the nose of the sear and all its parts, which are fully above described, or their equivalent, and the mode of using or applying the same.

Exeter, New Hampshire, July 10, 1863.

J. HAMILTON SHAPLEY.

Witnesses:

ANDREW S. BROWN, SAM. M. WILoox.

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