IPC Subgroup
E05F 3/04 with liquid piston brakes
Introduced: September 1968
Last revised: January 2006
Full Title
Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices > with liquid piston brakes
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- Subclass:
- DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
4 direct subcodes
Child Classifications
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- E05F 3/06 in which a torsion spring rotates a member around an axis perpendicular to the axis of the piston
- E05F 3/08 in which a torsion spring rotates a member around an axis arranged in the direction of the axis of the piston
- E05F 3/1 with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
- E05F 3/12 Special devices controlling the circulation of the liquid, e.g. valve arrangement