Locking device for foldable stand for machine and foldable...

Details Locking device for foldable stand for machine and foldable... Locking device for foldable stand for machine and foldable...

2007-12-18

2007-12-18

Wilkens, Janet M. (Department: 3637)

Horizontally supported planar surfaces

Folding

Legs fold axially parallel to surface edges

C108S130000

Reexamination Certificate

active

11017767

ABSTRACT:
A foldable stand for a machine includes a tabletop, a plurality of legs each having one end pivotally mounted to the tabletop such that the legs are turnable relative to the tabletop between an extended position and a received position, a plurality of first locking members each having a body portion movably pivotally mounted to the worktop and a stop portion protruded from the body portion for stopping against the legs so as to lock the legs in the extended position, and a plurality of second locking members respectively mounted in the tabletop for locking the legs in the received position.

REFERENCES:
patent: 992758 (1911-05-01), Deming
patent: 1120702 (1914-12-01), Erdman
patent: 2003836 (1935-06-01), Mitchell
patent: 2202318 (1940-05-01), Ralson
patent: 2215093 (1940-09-01), Boardman
patent: 2318945 (1943-05-01), Johannsen
patent: 2487401 (1949-11-01), Turner
patent: 3361090 (1968-01-01), Howlett
patent: 3669031 (1972-06-01), Cole
patent: 4144822 (1979-03-01), Roberts et al.
patent: 5606922 (1997-03-01), Adams et al.
patent: 6607015 (2003-08-01), Chen
patent: 6945178 (2005-09-01), Nye et al.

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