High/low extension-lift power wheelchair

Details High/low extension-lift power wheelchair High/low extension-lift power wheelchair

1984-02-16

1986-09-23

Love, John J.

Land vehicles

Wheeled

Extensible

180 685, 180216, 180907, 280 62, 280242WC, 280657, B62D 6302

Patent

active

046131515

ABSTRACT:
This invention relates to an improved wheelchair adapted to provide enhanced mobility for the occupant together with making ground level activities available. The wheelchair comprises a main frame together with an extension frame telescopically secured to said main frame. A seat is operably secured to the extension frame so that when the extension frame is moved away from the main frame, the seat is lowered, and when said extension frame is brought back to said main frame, the seat is raised. Means are provided for further enhancing stability in the form of a mechanism to selectively move the drive wheels apart for wider wheel tracking. A rear wheel castered to the extension frame is provided with a selectively operable torsion limiter.

REFERENCES:
patent: 3111181 (1963-11-01), Yatich
patent: 3882949 (1975-05-01), Anderson
patent: 4335900 (1982-06-01), Fleischer
patent: 4493488 (1985-01-01), Panaia et al.

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