US42529A - Improvement in breech-loading fire-arms - Google Patents

Description

UNITED @rares artnr rrrcn.

JAItVIS DAVIS, OF BUFFALO, NEV YORK, ASSIGNOR TO PATRIOK SMITH,

OF SAME PLACE. I

IMPROVEMENT lN BREECH-LOADING FIRE-ARMS.

Specification forming part of Letters Patent No. 12,529, dated April 26,1864.

To @ZZ whom it 11th/,y concern.-

Be it known that I, JARvIs DAvIs, of the city of Buffalo, county of Erie, and State of New York, assigner to PATRICK SMITH, of the same place, have made new and useful Improvements in Breech and Muzzle Loading Bies; and I do hereby declare that the following is a full and exact description thereof, reference being had to the accompanying drawings, making a part of this specification, in which- Figure I is a longitudinal section showing my present improvements as a breech-loader- Fig. II is a cross-section on line a b of Fig. I. Fig. III is a longitudinal section and end .elevation of a combined chamber and expansion breech-pin and percussion-nipple, which converts the breech-1oader into a muzzle-loader.

Letters of like name and kind refer to like parts in each of the gures.

The nature of this invention relates, first,l to the application and use of a spring placed under the groovedblock, and so formed as to act upon or against the hinged abutment to hold it in place when shut, and to hold it open, as required.

A represents a strong flat steel spring in the form of the letterx U, which is placed in a chamber or recess below the hinged abutment F, and so formed and placed that it will reach up on either side of the grooved block J, (recesses being cut in the sides of the block for that purpose,) with the free end thereof bearing strongly against the hinge part of the abutment in a manner to hold the hinged abutment shut or open, as desired. The hinge part f of the abutment has two plane surfaces, which drop below the center r, upon which the abutment swings, against one of which plane surfaces the spring bears heavily when the abutment is shut, as shown by the black .lines in contact therewith in Fig. II, and against the other when open, as shown by the red lines in contact therewith. One end of the spring is made fast to the breechcasting by means of the screw e.

B, Fig. III, represents a combined removable and expansion breech-pin, whichexactly iits the bore of the gun at the breech, and is inserted and used therein whenever it is desired to use the gun as a muzzle-loader. This breech-pin has a chamber or cavity, as

'will remove an exploded cartridge.

Shown at b', for the reception of the powder,

and a percussion-nipple, as shown at b2. This chambered part is made quite thin and strong, so that it will expand when the gun is red, and prevents windage. A notch, b, is out through the flange to allow the percussion-rod Gto pass in far enough to explode the cap. This removable breeeh-pin may be applied very quickly and at any time when it is desirable to use the gun as a muzzle-loader, and when 4 so used, powder and ball and percussion-caps are used in a common manner. The hooked bar I will take hold of the flange of the breech-pin and draw it out of the bore, whenever desired, in the same manner that the said hookedrilzltr e hinged abutment may be easily thrown open by pressing the thumb of the left hand against the projection f2. It is hinged lower down on the breech-casting E than formerly, to ad- .mit of the full action of the spring A thereon.

D represents the gun-barrel, the breech end of which is inserted into a casting, E, which casting forms an extension-breech sufficient to receive the hinged abutment F and other working parts of the lock.

G is the percussion-rod. This is peculiar in respect to its having a projection, g', which will 'strike the fulminate or ange ofthe cartridge and explode it when a cartridge is used, and

.the center end of the rod will strike the percussion-cap and explode it when that is used, and the one does not interfere in the least with the action of the other.

H is the hammer.

I is a hooked bar, which is' made in one piece, and hinged to the hammer, as shown at t. There is sufficient room in the groove j to allowthis bar to work freely.

J is a grooved block, in which the hook-bar I works throughthe groove j', K, spring; L,

trigger, M, guard; N, stock, P, cartridge; Q,

ramrod; S, recess for end of hook-bar I. These last-named parts are substantially the same as described in my patent of July 7, 1863, to which reference may be made.

v Vhat I claim in this patent, and desire to secure ias my invention, is-

The spring A, constructed and operating upon the hinged abutment F, substantially as herein described.

JABVIS DAVIS.

Vitnesses:

E. B. FoRBUsH, GEO. W. WALLACE.

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