Powdered rotating seat

Details Powdered rotating seat Powdered rotating seat

1989-05-25

1990-11-13

Brown, Peter R.

Chairs and seats

Movable bottom

Interconnected with back for relative concurrent movement

74421A, 108 20, A47C 318

Patent

active

049696858

ABSTRACT:
Herein disclosed is a powered rotating seat which comprises a seat proper; a lower base member adapted to be mounted on a floor, the lower base member including a structure by which an annular groove is defined; an upper base member mounting thereon the seat proper, the upper base member having a circular opening defined by an annular flange portion thereof, the upper base member being put on the lower base member having the annular flange portion slidably received in the annular groove; and an electric drive unit for rotating the upper base member relative to the lower base member upon energization thereof, the drive unit being installed in an inner space which is defined by the lower and upper base members.

REFERENCES:
patent: 3937096 (1976-02-01), Lundin et al.
patent: 4219715 (1980-08-01), Mandle et al.
patent: 4555990 (1985-12-01), Egawa
patent: 4600239 (1986-07-01), Gerstein
patent: 4636605 (1987-01-01), Berend et al.
patent: 4708027 (1987-11-01), Stenner
patent: 4808781 (1989-02-01), Liu

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