Mobile chair lift

Details Mobile chair lift Mobile chair lift

1978-02-23

1979-06-19

Paperner, L. J.

Material or article handling

Land vehicle or boat tilting and lifting devices

187 872, 254 4C, 254 10C, 414917, 414921, B60P 148

Patent

active

041585240

ABSTRACT:
A mobile chair lift for raising wheelchairs from ground level to a level such as to enable rolling the wheelchair onto a porch or other flat surface providing for entrance to a home or place of business wherein there is a base frame, a platform, legs mounting the platform on the base frame, kinematic linkage for raising and lowering the platform and maintaining it horizontal during such movement, a reversible motor for actuating the linkage and switches mounted on the platform and on the base frame for controlling operation of the motor. The platform has downwardly-open channels at its opposite longitudinal sides for receiving the legs at ground level and there is a ramp transversely of the forward end of the platform for raising the wheels from the ground onto the platform.

REFERENCES:
patent: 1369194 (1921-02-01), Sarver
patent: 1432159 (1922-10-01), Davis
patent: 1555637 (1925-09-01), Davis
patent: 2212940 (1940-08-01), Jackson et al.
patent: 3216704 (1965-11-01), Smith
patent: 3347342 (1967-10-01), Hott
patent: 3565217 (1971-02-01), St. Louis
patent: 3651965 (1972-03-01), Simonelli et al.
patent: 3888463 (1975-06-01), O'Brien et al.

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