Patent · US Expired

Recoil spring system for self loading fire arms

US4593601A · kind A · utility

10Cited by
7References
5Claims
0Family size

Inventor

Key dates

Filing dateMar 26, 1984
Grant dateJun 10, 1986
Priority date
Expiry dateMar 26, 2004

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF41A3/82
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A recoil spring system for a self-loading pistol type fire arm having a reciprocating breech block slide comprises a pair of compression springs (P) located in respective tunnels (B1, B2) in the side walls of the slide (B), each said spring abutting at its front end against the front inner wall (B9) of the slide and at its rear end against a stop (A1, A2) on the frame (A), which stop on recoil of the slide passes through a slot (B7, B8) at the rear of the slide connecting the tunnel to an external surface of the slide. The springs can be kept safely in the slide even after disassembly thereof from the fire arm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.