Horizontally supported planar surfaces – Vertically adjustable – Shelf type
Patent
1991-12-03
1994-03-01
Chen, Jose V.
Horizontally supported planar surfaces
Vertically adjustable
Shelf type
108146, 2481621, A47B 900
Patent
active
052897826
ABSTRACT:
An adjustable height table having a top that can be vertically adjusted to various heights by a pair of telescoping legs and a counterbalance weight mechanism which includes a weight box and weights that can be easily added or removed by the user depending on the weight carried by the table top. A locking mechanism including a spring-urged threaded half nut and a stationary threaded rod enables the table top to be locked in place once a desired height is achieved.
REFERENCES:
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patent: 3989211 (1976-01-01), Gundlach
patent: 4351245 (1982-09-01), Laporte
patent: 4557450 (1985-12-01), Bruneau
patent: 4627591 (1986-12-01), Heckmann
patent: 4922836 (1990-05-01), Damico
patent: 4981085 (1991-01-01), Watt
Greene, Jr. Howard P.
Rizzi John J.
Smith, II Joseph J.
Chen José V.
Vrsansky Carla J.
Westinghouse Electric Corp.
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