Universal-fit, quick-connect power drive/steer attachment for wh

Details Universal-fit, quick-connect power drive/steer attachment for wh Universal-fit, quick-connect power drive/steer attachment for wh

1995-06-07

1997-07-29

Johnson, Brian L.

Motor vehicles

Motor-carrying attachments

Driven steering wheel type

180907, B62M 714

Patent

active

056514220

ABSTRACT:
A power drive/steer attachment for a wheelchair having a framework supporting a plurality of front and rear wheels and a seat for accommodating an operator, is adapted for use with a motive source and includes a frame for attachment to and detachment from the framework of the wheelchair, a ground engaging mechanism, coupled to an end of a column, for driving the wheelchair by frictionally contacting a ground surface, a mechanism for driving the ground engaging means, and a mechanism, coupled to the second end of the frame, for controlling the driving mechanism and for steering the ground engaging mechanism to thereby steer the wheelchair.

REFERENCES:
patent: 3387681 (1968-06-01), Rabjohn
patent: 4386672 (1983-06-01), Coker
patent: 5222567 (1993-06-01), Broadhead et al.
patent: 5244051 (1993-09-01), Wu
patent: 5494126 (1996-02-01), Meeker

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