Resources Contact Us Home
Riot control weapon

Image Number 2 for United States Patent #4137893.

A riot control weapon using air pressure to eject inexpensive projectiles om its muzzle. Its velocity, range and impact is adjustable by an air regulator between the compressed air supply and the trigger actuated air valve to suit the needs of the situation. The weapon is a rapid fire rifle, wherein the regulator is adapted to provide instantaneous change to the pressure in the barrel of the rifle while the projectiles are being ejected therefrom, thus changing the range of fire of the rifle.

  Recently Added Patents
Display apparatus, control method thereof, and program
Developing cartridge
Wiring structure in a semiconductor device, method of forming the wiring structure, semiconductor device including the wiring structure and method of manufacturing the semiconductor device
Air filter
Card reader device
Parallel processing computer systems with reduced power consumption and methods for providing the same
Device for preparing a body fluid for a bacteriological analysis
  Randomly Featured Patents
Expansion anchor and method for the preferably surface-near anchoring in an anchoring base
Method of manufacturing a flash memory device having compensation members formed on edge portions of a tunnel oxide layer
Computer front bezel
Method to fabricate poly tip in split gate flash
Remote acceptance switch for computer mouse
Method for parallel data transmission using a serial data transmission device
X-ray image processing device
Multi-layer barrier preventing wood pest access to wooden structures
Deck assembly for retrofitting bleachers
Liningless brake assembly with dampers