RU2394200C2 - Feeding device - Google Patents

Abstract

FIELD: weapons and ammunition.

SUBSTANCE: small arm magazine comprises box-like case with loading opening, spring and pressure jaw. Spring device represents two spiral springs arranged in the case on loading opening side and coupled with pressure jaw by ends. Spiral springs can be fitted in case cavities on axles.

EFFECT: higher capacity and reliability.

2 cl, 3 dwg

Description

The invention relates to loading devices, and can be used in small arms or technological processes.

A feed device is known, comprising a box-shaped case with a loading window, a spring supply device and a pressure cheek - see patent RU No. 2155923 C1, F41A 9/69 for “High-capacity store”, publ. 09.09.10.

According to its features and the achieved result, this device is closest to the claimed one and is taken as a prototype.

The pressure cheek of this device is made of two parts with a spring between them, located across the feed spring device, made in the form of a parallelepiped spring mounted on a pallet of the box-shaped case.

The disadvantage of this feeding device is its small capacity due to the significant total cavity of the housing occupied by the pressure cheek and parallelepiped spring when the housing is full, and low reliability due to the friction of the ends of the supplied products (cartridges) against the walls of the housing during its operation.

The objective of the invention is to increase the capacity of the device and increase its reliability.

This problem is solved by improving the feeding device comprising a box-shaped housing with a loading window, a spring device and a pressure cheek.

The improvement consists in the fact that the spring device is made in the form of two coil springs mounted in niches of the housing from the loading window side, fastened by peripheral ends to the pressure cheek;

coil springs are installed in the housing niches on the axles.

The implementation of the spring device in the form of two coil springs installed in the housing niches from the loading window side, fastened by the peripheral ends with the pressure cheek, allows the spring device to be positioned along the narrow sides of the housing, thereby increasing its capacity by approximately the height occupied by the compressed prototype feed spring ( this is 15 ... 20%), and to increase the reliability of the device by eliminating the friction of the ends of the products (for example, cartridges) against the walls of the case during its operation.

The installation of coil springs in the housing niches on the axes further increases the reliability of the device, due to the reduction of friction of the loaded products on the housing walls.

Below, with reference to the attached drawing, where shown in:

Figure 1 - device in a variant of the weapons store in General view;

Figure 2 - device in section aa,

Figure 3 - option with a spring device on the axles,

A description of the proposed device.

The feeding device comprises a box-shaped housing 1 with a loading window 2, a spring device and a pressure cheek 3.

The spring device is made in the form of two coil springs 5 mounted in niches 4 of the housing 1 from the side of the loading window 2, fastened by the peripheral ends 6 with the pressure cheek 3 (which made it possible to position the spring device along the narrow sides of the device housing with an increase in its capacity and eliminate friction of the ends of the products about the walls of the housing).

The spiral springs 5 in the embodiment of the device are installed in the niches 4 of the housing 1 on the axes 7 (which eliminated the wear of the spiral spring by friction in the housing niche).

When the device is filled with products 8, which is performed as in the known device, and during its operation, the springs 5 automatically feed 5 products (cartridges) 8 into the breech of the weapon (not shown), the friction of the ends of the latter against the walls of the housing 1 is excluded, since the products 8 are moved together with the springs 5, separating them from the walls B of the housing 1, due to the twisting of the springs 5 or their unwinding during operation and filling of the device.

The feeding device (due to the location of the spring device on the sides of the housing space filled with products) has a 15 ... 20% higher capacity and increased reliability compared to the prototype.

Claims (2)

1. A small arms store comprising a box-shaped case with a loading window, a spring device and a pressure cheek, characterized in that the spring device is made in the form of two spiral springs installed in the housing niches from the side of the loading window and fastened by peripheral ends with the pressure cheek. 2. Shop according to claim 1, characterized in that the coil spring is installed in the housing niche on the axis.

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