Horizontally supported planar surfaces – Folding – Mutually pivoted crossed legs support surface
Patent
1989-05-24
1990-11-06
Aschenbrenner, Peter A.
Horizontally supported planar surfaces
Folding
Mutually pivoted crossed legs support surface
108147, A47B 302
Patent
active
049676725
ABSTRACT:
A portable foldable stand for supporting and transporting a heavy article. The stand includes a horizontal platform supported on a foldable scissor leg mechanism and a gas spring cylinder assembly connected to the leg mechanism for assisting an operator in folding and unfolding the stand.
REFERENCES:
patent: 1121744 (1914-12-01), McLaughlin
patent: 3282566 (1966-11-01), Clarke
patent: 4381714 (1983-05-01), Henneberg et al.
patent: 4558648 (1985-12-01), Franklin et al.
patent: 4577821 (1986-03-01), Edmo et al.
Aschenbrenner Peter A.
Teledyne Industries Inc.
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