Patent · US Expired

Compressed-gas gun

US7213589B2 · kind B2 · utility

1Cited by
29References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 19, 2004
Grant dateMay 8, 2007
Priority date
Expiry dateJan 22, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF41B11/62
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A compressed gas injection device includes a projectile course for receiving and accelerating projectile bodies, a compressed gas housing which is connected to the projectile course and which is divided up into a compressed gas chamber and a working chamber by a partition. A working piston is arranged in the compressed gas housing and is provided with a valve plate which is arranged on the front end of the piston rod thereof for moveable rear closure of the projectile course, wherein the working piston is a movable backward closure element for the working chamber and the piston rod is guided through the partition.

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