Joints and connections – Articulated members – Lockable at fixed position
Patent
1978-03-13
1979-12-25
Shedd, Wayne L.
Joints and connections
Articulated members
Lockable at fixed position
403374, 241223, 24136R, F16B 710
Patent
active
041803469
ABSTRACT:
An inner member is telescopically mounted within an outer tubular member and is normally locked against telescopic sliding movement relative to the outer member by a coupling mounted for back and forth manual manipulation along the outside of the two telescoping members at the location where the two members are coupled together. Manual manipulation of the coupling in one direction unlocks the inner member to permit sliding movement thereof relative to the outer member and the coupling, so long as the coupling is urged manually in the one direction. When the coupling is released, it automatically locks the inner member against further sliding movement.
REFERENCES:
patent: 2844125 (1958-07-01), Wehn
patent: 3649054 (1972-03-01), McClenan
patent: 3781908 (1973-12-01), Tullos
patent: 3965543 (1976-06-01), Connors
Shedd Wayne L.
Swanson Robert L.
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