Adjustable legs for furniture and locking means for securing suc

Details Adjustable legs for furniture and locking means for securing suc Adjustable legs for furniture and locking means for securing suc

1984-11-13

1986-12-09

Foss, J. Franklin

Supports

Stand

Standard type

108148, 2481885, F16M 1100

Patent

active

046275916

ABSTRACT:
In furniture having vertically adjustable legs, the legs comprise inner and outer telescoping leg segments which are relatively vertically movable. The inner leg segment carries brake shoes which are movable transversely relative to the longitudinal axis of the inner leg segment. A pair of levers are disposed within the inner leg segment and are swingable about a common transverse axle so as to selectively lengthen and shorten the effective transverse dimension of the levers. Outer ends of the levers bear against respective brake shoes, such that when the effective transverse dimension of the levers is lengthened, the brake shoes are pushed outwardly into frictional engagement with the outer leg segment to prevent movement of the latter. When that effective transverse dimension is shortened, the brake shoes are retracted to release the outer leg segment for movement.

REFERENCES:
patent: 197707 (1877-11-01), Wilkerson
patent: 3113793 (1963-12-01), Harwood
patent: 3885764 (1975-05-01), Pabreza
patent: 4360180 (1982-11-01), Bruneau

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