Adjustable-height support apparatus

Details Adjustable-height support apparatus Adjustable-height support apparatus

1979-05-17

1981-06-16

Foss, J. Franklin

Supports

Stand

Adjustable vertically

108145, 182141, F16M 1300

Patent

active

042733065

ABSTRACT:
An adjustable-height support apparatus such as an adjustable-height table or bed, including a platform which is supported by a pair of leg supports, which cross each other, each leg support comprising a pair of legs pivotally connected at one end with respect to the platform for sliding movement, the opposite end being arranged to contact a support surface; a strut being associated with each leg, the associated strut being pivotally connected at one end to the platform and the other end being pivotally connected at a location along the leg, both legs of each pair being connected together for movement in unison, and actuating means, e.g. a ram or a screw member associated with both leg supports for slidably moving the legs relative to the platform to lower or higher the platform.

REFERENCES:
patent: 722166 (1903-03-01), Taft
patent: 1725216 (1929-08-01), Seldomridge
patent: 1794165 (1931-02-01), Gannaway
patent: 2091088 (1937-08-01), Whedon et al.
patent: 2206788 (1940-07-01), Meacham
patent: 3259369 (1966-07-01), Gridley
patent: 3317931 (1967-05-01), Benoit et al.
patent: 3447635 (1969-06-01), Carlbom
patent: 3796282 (1974-03-01), Denier
patent: 3964725 (1976-06-01), Matsui
patent: 4029283 (1977-06-01), Swenson

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