Supports – Stand – Understructure
Patent
1989-07-17
1991-06-11
Ramirez, Ramon O.
Supports
Stand
Understructure
248167, 2481887, F16M 1132
Patent
active
050226207
ABSTRACT:
Disclosed is a collapsible support base for supporting one end of an elongated shaft. The support includes four legs arranged in opposing pairs so as to form two cross members. The central portion of one cross member is flexible so as to be compressible to a smaller cross-sectional dimension, facilitating its insertion in a central portion of the other cross member. When interfitted, the two cross members are interlocked so that a preselected angular displacement between the legs thereof is maintained. In one embodiment, the cross members are pivotally interconnected one with the other at a central shaft-receiving portion. The central portions of the cross members may also include detent means for locking the cross members at a preselected angular position. The cross members may also be telescopically insertable one with the other with no provision for relative pivotal displacement.
REFERENCES:
patent: 2606522 (1952-08-01), Harris
patent: 2706609 (1955-04-01), Sullivan
patent: 3307814 (1967-03-01), Bogar
patent: 3387808 (1968-06-01), Metcalf
patent: 4288052 (1981-09-01), Scott
patent: 4763866 (1988-08-01), Sinchok
Olson Robert A.
Ramirez Ramon O.
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