Joints and connections – Articulated members – Lockable at fixed position
Patent
1982-02-22
1984-03-06
Shedd, Wayne L.
Joints and connections
Articulated members
Lockable at fixed position
403342, 403350, F16B 710
Patent
active
044351054
ABSTRACT:
An adjustable lock arrangement for rods, tubes, and the like, comprising a rigid collar having a central opening in which a rod segment is closely received. The interior surface of the collar includes a keyway in which an eccentric key is rotatably mounted. The key includes a first surface, which when rotated toward the rod, permits the collar and rod to slide telescopingly with respect to each other, and a second, outwardly protruding surface, which is rotated into abutting engagement with the rod to frictionally lock the collar and rod in place. The collar may be formed as a separate unit for use as a couple, an adjustor, et cetera, or integrally constructed with the end of a tube for interlocking telescoping segments of a support, or the like.
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patent: 4076437 (1978-02-01), Mazolla
patent: 4111470 (1978-02-01), Welcker
Heath Manufacturing Company
Shedd Wayne L.
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