US653953A - Primer for cartridges. - Google Patents

Description

(No Model.)

J. GARDNER.

PRIMER FOR CARTRIDGES.

(Application filed Jan. 2, 1900.)

Patented July |7,-|90o.

' To all whom it may concern:

Nr rEn STATES PATENT FFICE.

J CHN GARDNER,- on NEW HAVEN, CONNECTICUT, ASSIGNOR TO THE WINCHESTER EPEATI G ARMS COMPANY, OF SAME PLACE.

PRIMER FOR c'AnrRIoeEs.

SPECIFICATION forming part a Letters Patent No. 653,953, dated July 17, 1900. j

Application filed January 2, 1900. Serial No. 19. (No model.)

Be it known that I, JOHN GARDNER, of New Haven, in the county of New Haven and State of Connecticut, have invented a new Improvement in Primers for Cartridges; and I do hereby declare the following, when taken in connection with the accompanying drawings and the letters of reference marked thereon, to be afull, clear, and exact description of the same, and which said drawings constitute part of this specification, and represent, ina Figure 1, a sectional view of a primer constructed in accordance with my invention; Fig. 2, a corresponding view of a modification thereof.

My invention relates toan improvement in primers for cartridges, the object being to produce primers of more exact uniformity than those now made and of'superior safety. With these ends in view myinvention consists in a primer having a sheet-metal cap and "an anvil, one of which parts is formed with a locating-shoulder coacting with'the other part to secure for the anvil an invariable lo.- cation with reference to the fulminate in the capand to pre cut the anvil from movement toward the f ulminate under any jarring of the primer. I

My invention further consists in certain details 'of construction and'combinations of parts, as will be hereinafter described, and pointed out in the claim. In carrying out my invention as shown in .Fig. 1 I form the rigid sheet-metal fiat'anvil A upon its opposite edges with locating-shoulders a 0,, produced by reducing the anvil in width and arranged to be seated upon ,anannular locating-shoulder 1), formed within the sheet-metal cap B, which-may be otherwise. of any approved construction, but which, as herein shown, has an upset head B and a contracted outer end B which, in being-contracted or reduced in diameter, engages with the armsA A at the outer end of the anvil and forces the locating-shoulders a athereof home to a firm' bearing upon the annular locatingshoulder bgOf the cap. By making the anvil correspond width to the internal diameter of the cap the edges of the anvil are brought to bear upon the inner faces of the side walls ,of the cap, whereby the anv-ilis securely held against any rocking movement.

The anvil being fiat and occupying only a portion of the space 'inclosed by the cap, there is ample opportunity for the fire produced by the burning of the fulminate to passout of the cap on opposite sides of the anvil, which,.so far as the operation of the primer is concerned, need not leave the cap at all. It will be readily understood that under this construction the anvils will always occupy an exact predeter xmined position within the caps, whereby longitudinal movement in that direction; but the anvil is formed, as before, with 10- cating-shoulders a a, designed to be seated upon an annular locating-shoulder 6, formed within the cap B. In this construction also the anvils will always be located in'a predetermined position within the caps, so far as main point. The movement of the anvil in the other direction may be restrained either by friction between the edges of the anvil and the cap or in some other way.

and described, but hold myself at liberty to spirit and scope of my invention.

' I am aware that it is old to locate a sheet of a shotgun-cartridge, the said anvil being provided with projections entering theshell to prevent the anvil from longitudinal moveinent therein. This anvil is formed with an outwardly-projecting part constituting the anvil proper and entering the primer, which is located in a pocket formed for its reception in an independently-formed head which is metal anvil within the outer end of the shell.

of the anvil, so as to hold the same against the fulminate C is concerned, which is the In view of the modifications suggested I would have it understood that I do not limit myself to the exact construction herein shown make such alterations as fairly fall within the,

applied to the outer nd of the shell, so as to inclose that portion of the shell contain ing the anvil. The construction thus described provides for giving a fir'm seat co the anvil, but does not and can not secure that accuracy of relation between the anvil and the fulminate which it is the prime object of my invention to achieve. I do not therefore claim as constituting any part of my invention the rigid holding of an anyil within the shell proper of a cartridge, but limit my claim to the holding of an anvil within the primercap itself in such a way as to secure an invariable location between the anvil and the f ul- Ininate and to prevent the anvil from movement toward the fulminate under any jarring of the primer.

Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

A primer having its sheet-metal cap formed with an annular locating-shoulder, and provided with a rigid, flat, sheet-metal anvil the the said shoulder of the cap, whereby the anvil is not only supported against sidewise deflection throughout its length, but is brought to a predetermined position withrespect to the cap and with respect to the fulminate contained in the head thereof, the said primer being adapted to be inserted bodily into a pocket formed for its reception in the head of a cartridge-shell, and the fire produced by the ignition of the fulminate passing out of the cap on opposite sides of the anvil.

In 'testimony whereof I have-signed this specification in-the presence of two subscrib- 4o ing witnesses.

JOHN GARDNER.

Witnesses:

DANIEL I-I. VEADER, THos. O. JOHNSON.

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