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PCE
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IPC Subgroup
F41A 5/18

gas-operated

Introduced: January 1990

Last revised: January 2006

Full Title

Mechanisms or systems operated by propellant charge energy for automatically opening the lock > gas-operated

Classification Context

Section:
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:
WEAPONS
Subclass:
FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE

4 direct subcodes

Child Classifications

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  • F41A 5/2 using a gas piston arranged concentrically around the barrel
  • F41A 5/22 having two or more gas pistons
  • F41A 5/24 by direct action of gas pressure on bolt or locking elements