Joints and connections – Articulated members – Lockable at fixed position
Patent
1986-02-25
1987-04-14
Kundrat, Andrew V.
Joints and connections
Articulated members
Lockable at fixed position
248411, F16B 710
Patent
active
046574255
ABSTRACT:
A device for locking a rod against movement in an extending or contracting direction is disclosed. In the device, a torsion spring is provided between a cylindrical receptacle and an operating member rotatably mounted thereon. The rod member, which is inserted in the receptacle, is normally locked against movement by the torsion spring. The rod can be released from the locked state for movement in an extending or contracting direction by releasing the clamping force of the spring by turning the operating member.
REFERENCES:
patent: 1989171 (1935-01-01), Kohlen
patent: 3856253 (1974-12-01), Seebinger
patent: 3967831 (1976-07-01), Chang et al.
patent: 4131167 (1978-12-01), Richey
Kundrat Andrew V.
Nifco Inc.
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