Self-telescoping cartridge magazine spring

Details Self-telescoping cartridge magazine spring Self-telescoping cartridge magazine spring

1982-03-04

1983-08-09

Reger, Duane A.

Spring devices

Coil

Irregular

267 62, F16F 104

Patent

active

043974538

ABSTRACT:
A self-telescoping cartridge magazine spring having two-sizes of coils with the smaller ones disposed at various points along the length of the spring, such that on compression they fit completely within the outer ones. The inner and outer coils are connected by straight sections within which the transition from one size to the other is made, so that they can bend laterally in order to conform to the space available without increasing the solid-height of the spring, while providing a substantially longer free-length, and therefore available compression, than that provided by magazine springs of prior designs.

REFERENCES:
patent: 274715 (1883-03-01), Buckley
patent: 1751261 (1930-03-01), Wilson
patent: 1965402 (1934-07-01), Adelmann
patent: 2586646 (1952-02-01), Graham
patent: 4107862 (1978-08-01), Sofinowski
patent: 4111407 (1978-09-01), Stager

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