Chairs and seats – Collapsible chair; i.e. – relatively folding bottom – back,... – Relatively collapsible bottom – rear legs – and integral back...
Patent
1977-04-27
1979-04-10
Zugel, Francis K.
Chairs and seats
Collapsible chair; i.e., relatively folding bottom, back,...
Relatively collapsible bottom, rear legs, and integral back...
297345, 297377, 297453, A47C 510
Patent
active
041485238
ABSTRACT:
The invention relates to a work stool used for a higher than normal seating position as required when working at a drafting table or the like. Features of the invention include a light weight frame that folds for storage, a wide base that does not interfere with the user's feet, and a vertically adjustable seat having a textured surface for ventilation.
REFERENCES:
patent: 1826643 (1931-10-01), Anderson
patent: 2133047 (1938-10-01), Sheldon
patent: 2637371 (1953-05-01), Boutin
patent: 3137523 (1964-06-01), Karner
patent: 3159428 (1964-12-01), Schier
patent: 3181828 (1965-05-01), Cramer
patent: 3528701 (1970-09-01), Laughlin
patent: 3989173 (1976-11-01), Gebhard
Brand Peter
Diedrich Fritz
Haefner Guenther
Kirchmann Hans
Dreyer Heinrich Wilhelm
Zugel Francis K.
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