EP 0167067 B1 19871209 - SHOT-VELOCITY REGULATOR FOR GAS-OPERATED FIREARMS
Title (en)
SHOT-VELOCITY REGULATOR FOR GAS-OPERATED FIREARMS
Publication
Application
Priority
CH 318784 A 19840703
Abstract (en)
[origin: US4611525A] It is necessary to provide a cadence regulator in a gas-pressure operated firing weapon, since a hot firing weapon would otherwise exhibit a cadence unacceptably greater than that of a cold firing weapon. The cadence regulator comprises two concentric tubes interconnected at one end and serving for actuating a temperature-dependent throttling member which regulates the gas-pressure by altering a throttling cross-section of a gas passage. Either only the inner tube is heated, causing it to expand more than the outer tube and to reduce the throttling cross-section, or both tubes are heated and the outer tube has a greater coefficient of expansion such that it expands more than the inner tube and increases the throttling cross-section. In the first case, the supply of gas to a gas piston is throttled and thereby diminished in pressure and in the second case, a discharge opening to the atmosphere is increased, also effectively diminishing the pressure of the supply of gas to the gas piston.
IPC 1-7
IPC 8 full level
F41A 5/18 (2006.01); F41A 1/04 (2006.01); F41A 5/28 (2006.01); F41A 13/00 (2006.01); F41A 19/02 (2006.01); F41A 19/67 (2006.01)
CPC (source: EP US)
F41A 5/28 (2013.01 - EP US)
Designated contracting state (EPC)
CH DE FR GB IT LI SE
DOCDB simple family (publication)
EP 0167067 A1 19860108; EP 0167067 B1 19871209; BR 8503166 A 19860325; DE 3561177 D1 19880121; ES 544798 A0 19861216; ES 8702644 A1 19861216; IL 75677 A0 19851031; JP H0557519 B2 19930824; JP S6124999 A 19860203; US 4611525 A 19860916
DOCDB simple family (application)
EP 85107606 A 19850620; BR 8503166 A 19850702; DE 3561177 T 19850620; ES 544798 A 19850702; IL 7567785 A 19850628; JP 14485585 A 19850703; US 74855685 A 19850624