|Publication number||US1348172 A|
|Publication date||Aug 3, 1920|
|Filing date||Feb 28, 1918|
|Priority date||Feb 28, 1918|
|Publication number||US 1348172 A, US 1348172A, US-A-1348172, US1348172 A, US1348172A|
|Original Assignee||Alva C Washburne, Frederick G Crane|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (2), Classifications (5)|
|External Links: USPTO, USPTO Assignment, Espacenet|
I s. HAMMOND. MAGAZINE FOR FIREARMS.
APPLICATION FILED FEB. 28, I918 Patented Aug. 3, 1920.
wz ALWM/ ATTORNEY.
FUNFIFTVED s r G'RAIN'T HAMMOND, OF NEW HAVEN, CONNECTICUT, ASSIGNOR OF ONE-THIRD TO ALVA 'C. WASHBURNE, OF PITTSFIELD, MASSACHUSETTS, AND ONE-THIRD TO FRED- ERICK G. CRANE, OF DALTON, MASSACHUSETTS.
MAGAZINE FOR FIREARMS.
Specification of Letters Patent.
Patented AugQS, 1920.
Application filed February 28, 1918. Serial No. 219,591.
To all whom it may concern:
Be it known thatI, GRANT HAMMOND, a citizen of the United States residing at New Haven, in the county of New Haven and State otConnecticut, have invented a new and Improved Magazine for Firearms, of which the following is a specification.
My invention relates more especially to the class of devices used to contain a number of cartridges in a magazine chamber in a firearm of the, automatic type, and an object of my invention, among others, is to provide a magazine of such inexpensive character that it may be discarded after a single use, and which magazine shall at thesame time be sufficiently strong to withstand all of the strains in use. I
One form of device embodying my invention and in the construction and use of which the objects herein set out, as well as others, may be attained, is illustrated in the accompanying drawings, in whicha Figure 1. is a view in side elevation of a magazine embodying my invention.
Fig. 2 is a View in edge elevation, with the lower part broken away to show construc- 'tion.
, Fig. 3 is a view in cross section on plane denoted by dotted line 3-3 of Fig. 1.
Fig. 4 is a View of a blank from which my improved magazine is made.
My improved magazine is formed from asingle piece of metal that. is first cut or stamped to form a blank comprising side sections 5 and6 united by an edge section 7 having rib sections 8 atopposite edges.
Bottom tabs 9 are formed at one end of each of the sections 5 and 6 and the section 6 has a notch 10 in one end that, in the use of the magazine, receives a lug on a releasing bar and permits said lug to be engaged by the follower in the magazine.
' The blank is bent to shape on the dotted lines 11 to form the side parts and back edge, and the edges 8 are bent on the dotted lines 12 to form the front edge of the magazine.
Inthe use of magazines in firearms, and especially of the automatic type a peening action is produced upon the front edge of the magazine by reason of the recoil under the forces of the gasesof explosion driving the magazine backwardly against the noses of the cartridges in said magazine, the cartridges being of considerable weight and, therefore, unable to quickly overcome inertia. In order, to prevent injury to the magazine from such peening action I provide a rib extending lengthwise along the center of the front edge of the magazine, this being of special advantage in a magazine constructed of thin sheet metal, as shown herein, as it enables much thinner metal to be used than could otherwise be employed did this rib not exist.
In constructing this rib, the edges 8 are bent backwardly and interlocked in the manner of the well known stove-pipe joint and a rib 13 is thus produced Which A as denoted by the numerals 14, these angularly disposed edges being'separated by a curved recess 15 and terminating in notches 16. These edges serve as lip sections 17 and when the blank is bent into final shape to form a magazine 18, these lip sections 17 are readily shaped to provide lips 19 on the magazine with an opening 20 between them constituted by the recess 15. In this final shaping of the magazine the tab sections 9 arebent inwardly and rest one against the other to form the bottom 21 as shown in Fig. 2 of the drawings.
In accordance with the provisions of the patent statutes, I have described the principles of operation of my invention, together with the device which I now consider to represent the best embodiment thereof; but I desire to have it understood that the device-
|Citing Patent||Filing date||Publication date||Applicant||Title|
|US5704148 *||Apr 15, 1996||Jan 6, 1998||Fabbrica D'armi P. Beretta, S.P.A.||Ten round magazine with fifteen round profile|
|US5845426 *||Aug 6, 1997||Dec 8, 1998||Febbrica D'armi P. Beretta, S.P.A.||Ten round magazine with fifteen round profile|
|International Classification||F41A9/00, F41A9/65|