Supports – Stand – Standard type
Patent
1992-04-23
1995-01-10
Scherbel, David A.
Supports
Stand
Standard type
254 98, 248408, 248418, F16M 1100
Patent
active
053799747
ABSTRACT:
An extendible multi-frame stand includes at least three frames arranged in a telescoping relationship, having a single coherent alignment and locking mechanism which includes alignment means for preventing relative rotation between the first and second frames, alignment means for preventing relative rotation between the second and third frames, means for locking the second and third frames at the limits of their longitudinal extension positions, and cam-operated releasable locking means for controlling extension and retraction of the second and third frames relative to each other and to the first frame.
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patent: 5110089 (1992-05-01), Slay
Arzouman Harry H.
Slay Clyde E.
Arant Gene W.
Chan Korie H.
Safe-T-Jack, Inc.
Scherbel David A.
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