Chairs and seats – Movable bottom – Movable independently of back
Patent
1988-10-04
1990-05-01
Cranmer, Laurie K.
Chairs and seats
Movable bottom
Movable independently of back
297156, 403110, A47C 510
Patent
active
049213032
ABSTRACT:
A chair structure having at least one seat adjustable in elevation, is disclosed. The structure has particular use as a posing stool for use in a photographic studio or in the field. At least one seat is adjustably secured on an elongated, angularly elevated support member so as to be quickly and slidably located to any selected elevation on that support.
REFERENCES:
patent: 27531 (1887-08-01), Badgley
patent: 550588 (1895-12-01), Burr
patent: 981948 (1911-01-01), Rosenthal
patent: 985571 (1911-02-01), Cramer
patent: 2145505 (1937-09-01), Cahill
patent: 2658553 (1952-12-01), Stewart
patent: 3220771 (1965-11-01), Doss
patent: 3244450 (1966-04-01), Boutin
patent: 3322460 (1967-05-01), Leverman
patent: 3350133 (1966-09-01), Schaefer
patent: 4542936 (1985-09-01), Gafken
patent: 4793654 (1988-12-01), Takafuj
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