Rocking massage chair

Details Rocking massage chair Rocking massage chair

1985-11-20

1987-08-18

Burr, Edgar S.

Surgery

Truss

Perineal

128 52, A61H 1500

Patent

active

046869670

ABSTRACT:
A rocking massage chair wherein massaging wheel elements and their drive mechanism are disposed in backrest part of the chair while a motor for driving an operating shaft of the drive mechanism is disposed in seating part of the chair, whereby the relatively heavy motor is located on forward side of a rocking center of the chair so as to keep the center of gravity of the chair always on the forward side and thus to prevent the chair from overturning rearward.

REFERENCES:
patent: 3664333 (1972-05-01), Hill
patent: 3736920 (1973-06-01), Mathers et al.
patent: 4085738 (1978-04-01), Kodena
patent: 4149531 (1979-04-01), Tanaka et al.
patent: 4190043 (1980-02-01), Thompson
patent: 4422448 (1983-12-01), Sagai et al.
patent: 4458675 (1984-07-01), Nakao et al.
patent: 4574786 (1986-03-01), Hashimoto e al.

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