Raising chair

Details Raising chair Raising chair

1976-06-02

1978-01-10

Zugel, Francis K.

Chairs and seats

Movable bottom

Tiltable

297DIG10, 297DIG4, A61G 500

Patent

active

040672492

ABSTRACT:
To assist a person from seated to an erect position a mechanism for raising and straightening a seat surface and the seat backrest to a nearly vertical position is provided, which avoids substantial relative motion between the body of the person and the seat surface and the seat backrest. In the erected position of the chair, a groundplate of the footrest is firmly supported on the ground.

REFERENCES:
patent: 1372546 (1921-03-01), Read et al.
patent: 2656876 (1953-10-01), Larrick
patent: 3216738 (1965-11-01), Bockus
patent: 3261031 (1966-07-01), Gates
patent: 3343871 (1967-09-01), Yates
patent: 3379450 (1968-04-01), Jones
patent: 3589769 (1971-06-01), Bressler
patent: 3866973 (1975-02-01), Heubeck

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