Mobile chair

Details Mobile chair Mobile chair

1981-03-27

1983-11-08

Peters, Jr., Joseph F.

Motor vehicles

Compensating devices

180 666, 180 21, 280 78, B60K 700

Patent

active

044136935

ABSTRACT:
A mobile self-propelled chair includes a frame having at its top a pivotally mounted passenger seat and captively mounting for rotation about various possible axes a relatively large sphere, which supports the principal weight of the chair and user. Auxiliary support is provided by casters surrounding the sphere. The frame has a battery and one or more drive motors for producing rotation of the sphere by drive roller engagement of the sphere surface. Posturally-effected movement of the seat actuates switches to provide power to the motor. Various arrangements allow orienting the axis of rotation of the sphere to cause turning the chair. Thus, both translation and turning movement of the chair is posturally controlled by the user.

REFERENCES:
patent: 1928412 (1933-09-01), Deninson
patent: 2267254 (1941-12-01), Reilley
patent: 2372043 (1945-03-01), Aghnides
patent: 3037570 (1962-06-01), Olson
patent: 3763945 (1973-10-01), Danielson
patent: 3858673 (1975-01-01), Browning
patent: 3920093 (1975-11-01), Moron et al.
patent: 3938608 (1976-02-01), Folco-Zambelli

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