US66751A - Improvement in magazine fire-arms - Google Patents

Improvement in magazine fire-arms Download PDF

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US66751A
US66751A US66751DA US66751A US 66751 A US66751 A US 66751A US 66751D A US66751D A US 66751DA US 66751 A US66751 A US 66751A
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cartridge
barrel
carrier
arm
block
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41AFUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A9/00Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/01Feeding of unbelted ammunition
    • F41A9/06Feeding of unbelted ammunition using cyclically moving conveyors, i.e. conveyors having ammunition pusher or carrier elements which are emptied or disengaged from the ammunition during the return stroke
    • F41A9/09Movable ammunition carriers or loading trays, e.g. for feeding from magazines
    • F41A9/10Movable ammunition carriers or loading trays, e.g. for feeding from magazines pivoting or swinging
    • F41A9/13Movable ammunition carriers or loading trays, e.g. for feeding from magazines pivoting or swinging in a vertical plane
    • F41A9/16Movable ammunition carriers or loading trays, e.g. for feeding from magazines pivoting or swinging in a vertical plane which is parallel to the barrel axis
    • F41A9/17Movable ammunition carriers or loading trays, e.g. for feeding from magazines pivoting or swinging in a vertical plane which is parallel to the barrel axis mounted within a smallarm
    • F41A9/18Movable ammunition carriers or loading trays, e.g. for feeding from magazines pivoting or swinging in a vertical plane which is parallel to the barrel axis mounted within a smallarm feeding from a tubular magazine under the barrel

Description

l '2 SheetSf-Sheet 1 E. L. STURTEVANT.

Magazine. Fire-Arm No. 66,751.. ,l Patented July 16, 1867.

1 im' w 2 Sheets-Sheet 2 E L. STURTEVANT.

Magazine Fire-Arm .Pa/tented July 16, 1867 UNITED STATES PATENT OEEIcE.

EDWARD L. ISTURTEVANT, OF BOSTON, MASSACHUSETTS.

IMPROVEMENT IN MAGAZINE FIRE-ARMS.

Specification forming part of Letters Patent No. 66,75] dated July 16, 1&6?.

' To all to whoin. these presents shall come:

Be it known that I, EDWARD L. STURTE- VANT, of Boston, in the county of Suffolk and State of Massachusetts, have invented an Improved Breech-Loading Fire-Arm; and do hereby declare the following to be afnll, clear, and exact description thereof, reference being had to the accompanying drawings, making part of this specification, and in which- Figure l is a top view, and Fig. 2 a side elevation, of a breech-loading repeating fire-arm constructed in accordance with my invention, and with the outer plate removed. Figs. 3 and 4 are vertical and longitudinal sections, and Fig. 5 a vertical and transverse section, of the same, Fig. 6 being an inner-side view of the breech-receiving chamber hereinafter described.

The object of this invention is to simplify the construction of a class of lire-arms which have heretofore been very complicated and expensive in manufacture and difficult to keep in order and repair, an arm constructed in accordance with my plan being extremely simple in make and effective 'in operation, With no complication of parts or of movements to operate it.

In the drawings above referred to as illustrating my invention, A denotes the barrel of a fire-arm, and a its bore. The frame or stock is shown at B as being hollow or formed with a longitudinal chamber, b, extending some distance underneath the barrel, and containing a sliding block or carriage, O, which slides longitudinally back and forth therein during the operation of loading and discharging' the piece. This sliding block C serves the purpose of not only receiving the cartridge and introducing it into the barrel, but forms a recoil bearing or breech for resisting the force of the eXplosion of the charge, the expulsion of the spent shell from the arm being also effected by its movements. To this end the sliding block has acircular opening, c, extending about twothirds through it, this opening being of a sufcient caliber to easily receive a cartridge from a magazine suitably connected with it, the cartridge being forced forward by means of a spring or other equivalent device. As this device forms no part of my present invention I have not considered it necessary to show it.

The forward part of the sliding-block is formed with a semicircnlar recess, 1', of a sufcient length to receive a cartridge, and being in line with or a continuation of the openin g c, a narrow vertical slot or passage, d, being cut transversely across the block and between the two, as represented in the drawings. A carrier-block or cross-head, e, slides vertically within this slot d and in contact with the front face of the opening' c, the sliding block O having an enlargement or oliset, j", rising above the front end ofthe opening, and serving as a recoil-bcariiig or breech to close the end of the barrel. The inner face of this breech j' is formed with a dovetailcd or other properlyformed groove or channel, s, for receiving the iiange ot' the cartridge and holding the same in a horizontal position while being carried forward into the barrel.

The carrier-block e is retainedin due connection with the carriage O by means of cars or lugs g g extending from it and into upright grooves formed in the side of the carriage, a friction-brake being applied to the carrier ein the shape of a plate-spring, 7L, secured to its under part, andcarried downward and be- 'tween the carriage and the bott-om of the chamber b of the stock. 'teciprocating vertical movements arc imparted to the carrier c by the agency of studs fz'. i, projecting laterally from it and into two irregular endless channels or grooves, jj, formedin opposite sides of the chamber b, as shown in Fig. G of the drawings.

Sliding longitudinal movements are i mpal'ted to the carriage O by a guard-"lever, D, which is hinged to the stock, as shown in Fig. 3 ot' the drawings, the shorter arm, 7c, of which rises upward into the chamber b, and is provided with two studs to extend into a dovetailed groove, l, formed in the front end of the carriage C. The longer arm, m, of the guardlever serves as a guard to cover and protect the trigger.

The breech or carriage C may be locked in position against the end of the barrel in a variety of ways, that shown in the present application, however, being simply a wedge, a, forming part of the guard-lever, which extends through a slot, 0, in the stock and into a mortise or recess, p, made in the under side or rear end of the carrier C. A lock for exploding the cartridges may be applied in any wellknown manner.

I would remark that the front end of the recoil-block or offset f should be so constructed as to close around the inner end of the barrel and prevent any possibility of bursting ofthe metallic shell of the cartridge.

In operating with the above-described firearm, cartridges to the number of ten, or thereabout, are to be inserted within the tube or magazine connected with the sliding carriage C, several of which will lie within the opening c, the forward one of the number projecting forward into the seinicircular recess r, and so that its flange shall rest within the bottom of the groove s. By seizing the longer arm of the guard-lever and throwing itdown into the position shown in Fig. 4 of the drawings, the sliding block C will be forced backward to its extreme position, the action of the rear side of the endless grooves j j serving, during this movement, to throw the carrier-block e upward and carry the cartridge with it and into line with the bore of the barrel, as shown in the said Fig. 4, the groove, as before mentioned, serving to maintain the horizontal adjustment of the cartridge, while the carrierblock e serves to sustain and raise it. By reversing the movement of the guard-lever and.

bringing it up in place against the stock, the sliding block l will be carried forward, forcing the cartridge into the barrel and closing the rear end ofthe same, the action of the inclined portion b of the endless grooves j j serving during this movement to lower the carrier e into its original position at the bottom of the slot d, the plate-spring h, before referred to, closing the inner end ofthe opening c during the forward movement of the block C, and keeping back the cartridges which may be in it. As soon as the carriere has reached,

its lowest position the openil'ig c is uncovered and a cartridge forced forward into the recess r. On bringing down the guard-lever a second time, the cartridge within the recess fr will be thrown upward in the same manner as the rst, and, striking the empty shell, which has been withdrawn from the barrel by the breech f, will discharge it from the lire-arm through au opening in the top of the stock or frame B, and will be itself brought into position in line with the barrel.

It will thus be seen that the above-described arm is extremely simple in its construction, with no parts liable to deraugement or breakage. Its motions are all positive in their action and certain in their results.

In addition to the endless grooves j j for raising the cartridge-carrier e, I have contemplated the employment of an inclined plane or bridge for aiding this movement, if in practice this should be found necessary. The upper or horizontal portion, a2, of the grooves j j serves to sustain and carry forward the cartridge in a line with the axis of the barrel A until it has nearly entered it.

In a ire-arm such as described, I claim- 1. The combination, with a sliding breech or recoil-block, of a cartridge-carrier held in and actuated by, but not forming part of, said breech-block, under such an arrangement that the breeck-block, in its sliding movement, shall cause the raising and lowering of the carrier, as herein specied,

2. I also claim the carrier e, in combination with the sliding block C and its groove or recess s for raising the cartridge into line with the barrel, as well as for expelling the empty shell, essentially in manner and to operate as explained.

3. I also claim the employment ofthe carrier e and its spring for the combined purpose of raising the cartridge and at the same time keeping back the supply of cartridges within the magazine, substantially as described.

4. I also claim the peculiar mode of connecting the guard-lever D to the sliding block C viz., by the dovetailed groove Z and studs upon the lever, in manner and for the purpose as explained.

I also claim the peculiar formation ofthe grooves j j, whereby the 'cartridge-carrier e is caused to rise and elevate the cartridge, and subsequently to guide the carrier and cartridge forward Iin a line with the bore of the barrel, essentially as explained.

EDWARD L. STURTEVANI.

Witnesses:

FREDERICK CURTIS, CRAs. H. GRIFFIN.

US66751D Improvement in magazine fire-arms Expired - Lifetime US66751A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080101180A1 (en) * 2003-03-03 2008-05-01 Samsung Electronics Co., Ltd. Method and apparatus for managing disc defect using temporary dfl and temporary dds including drive & disc information disc with temporary dfl and temporary dds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080101180A1 (en) * 2003-03-03 2008-05-01 Samsung Electronics Co., Ltd. Method and apparatus for managing disc defect using temporary dfl and temporary dds including drive & disc information disc with temporary dfl and temporary dds

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