System of support legs for a table, a seat or like object restin

Details System of support legs for a table, a seat or like object restin System of support legs for a table, a seat or like object restin

1976-11-23

1978-11-21

Frazier, Roy D.

Horizontally supported planar surfaces

Vertically adjustable

Articulated link shifts surface

74417, 248421, A47B 900

Patent

active

041260961

ABSTRACT:
The invention relates to a system of support legs for a table top wherein at least two legs are hingedly assembled to the table top and are connected to a driving device allowing the height of the table top to be adjusted with respect to a supporting surface, each leg comprising two arms hingedly connected at their adjacent ends to a nut screwed on a threaded rod controlled by said driving device for modifying the angular opening of said two arms with respect to one another.

REFERENCES:
patent: 269264 (1882-12-01), Cloyd
patent: 326326 (1885-09-01), Perry
patent: 458847 (1891-09-01), Hooker et al.
patent: 797077 (1905-08-01), Shaw
patent: 896382 (1908-08-01), Hanson
patent: 2902701 (1959-09-01), Driskill
patent: 3137525 (1964-06-01), Purser, Jr.
patent: 3305876 (1967-02-01), Hutt
patent: 3443850 (1969-05-01), Scime et al.
patent: 3566714 (1971-03-01), Borello
patent: 3802002 (1974-04-01), Jonas

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