US93572A - Improvement in revolving fire-arms - Google Patents

Description

-R WHITE;

Revolving Fire-Arm.

No. 93,572. Patented Aug. 10, 1869.

77552265565, [72 wenz/207.

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@JM-01u67 Nrran STATES ROLLIN WHITE, OF LOWELL, MASSACHUSETTS.

. llVIPROVEMENT IN REVOLVING FlRE-ARIVIS.

Specification forming part of Letters Patent No. 93,572, dated August 10, 1869.

To all whom it may concern:

Be it known' that I, ROLLIN WHITE, of' Lowell, in the county of Middlesex and State of Massachusetts, have invented a new and useful Improvement in levolvingFire-Arms; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings and the letters of reference marked thereon.

This invention relates to that class ot' revolvers in which the charge-chambers are bored clear through the cylinder, and in which metallic anged cartridge-cases are used, being inserted and withdrawn at the rear; and its object is to facilitate the simultaneous ejection of the discharged cartridge-shells.

Figure l of the accompanying drawings is` a longitudinal section through the center of a lrevolver containing my improvements. Fig. 2 is a view of the rear end of the revolving cylinder, and Fig. 3 is a moditication of the plunger and ejector.

A is the revolving cylinder; B, the recoil shield; O, the charge-chambers, bored clear jhrough the cylinder; and D, theframein which the cylinder revolves. Said frame opens at a joint, d, turning upon a hinge-joint, d', so that the position ofthe barrel and cylinder may be reversed, leaving the rear end ot' the cylinder clear and unobstructed for the ejection of the cartridge. The'joint d is locked and released by means of a spring-catch, a.. The cylinder is held in the frame by means of a thimble, c,

screwed into its front end, with an annular groove, e', around it, fitting into a recess in the frame, of like form, and the plunger-rod E passing through the front part ot' the frame and the thimble.

E is the cartridge-ejector, with radial teeth i t' extending to the edges ot' the charge-chambers, and countersunk into the rear end ofthe cylinder. The ratchet-teeth t t, by which the cylinder is revolved, are on tlie cylinder, and ejector-teeth lit in between them. 'The ejector is prevented from turning in the cylinder by a spline and feather. The journal j, on which the cylinder revolves at its rear end, is on the ejector, and the plunger-rod E is thejournal upon which its front end revolves. Between the ejectorE and the plunger-E a spiral spring, S, is interposed within the center bore ofthe cylinder.

L is a lever pivoted to the barrel at l, and n is a link pivoted to said lever at n and to the plunger-rod at o, for operatin g the plunger.

The flanges ot' the cartridge-cases overlap the ejector-teeth t', so that the ejector' cannot move back without carrying all the cartridgeshells with it. When the plunger is forced down by means of the lever L the spiral spring will be compressed before the ejector begins to move, and then the plunger, spring, and ejector will all move together until the shells are partially ejected from the chambers; but before they are completely ejected the binding or friction between the shells and the chambers will become so diminished that the spring Will suddenly react, throwing all the shells out of the way bya quick motion.

There are manifest advantages in having the ratchet-teeth on or attached to the cylinder instead of the cartridge-ejector, as the cylinder will be more rm and p ositive in its movements, and the ratchet will always main-` tain the same relations to the chambers, being in no way affected. by the Wear, loose fitting, rusting, or fouling of the ejector.

Thejournalj, on which the rear end ot the cylinder revolves, may bepscrewed into the end of the ejector, as shown in Fig. 2, so that when worn a new one may be easily substituted. Y The points of the ejector-teeth t' t' are slightly serrated or roughened, to take a better hold on the angesot the cartridge-shells and prevent them from slipping. v

Having thus fully described my invention and the. various modes of carrying it into effeet, what I' claim as new, and desire to secure by Letters Patent, is-

1. In combination with a revolving cylinder' and a cartridge-ejector, consisting ot' a central sliding rod with radial teeth or equivalent projections to seize and carry out the cartridgecases, a ratchet to revolve the cylinder, made on orattached to the cylinder, substantially as herein shown and described.

2. ln combination with a plunger and ejector unconnected, as described, a lever tooperate the plunger, substantially as described.

3. A spring interposed between the plunger and the ejector, whether the same are connected by a swivel-joint or unconnected, substantially as and for the purpose set forth.

4. In combination with thecartridge-ejector E, the serrated or roughened teeth t' t', substantially as and for the purpose described.

RoLLiN WHITE.

Witnesses z KENNETH G. WHITE, R. E. STILLWELL.

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