Device for handling a wheelchair

Details Device for handling a wheelchair Device for handling a wheelchair

1987-03-31

1988-12-13

Spar, Robert J.

Material or article handling

Land vehicle or boat tilting and lifting devices

254 9C, 414921, A61G 710

Patent

active

047907169

ABSTRACT:
FIGS. 1-5 show a device (10) for selectively lifting and tilting a wheelchair (14) and its occupant to a convenient position for performance of a service, such as a dental work or beauty salon work, upon the occupant of the wheelchair. An alternative embodiment of the invention is wheelchair handling device (110), which is disclosed in FIGS. 6-10, inclusive. Device (110) comprises housing (102), wheelchair receptacle (104), backrest (106), wheels (108 and 113), foot-operated control box (112) having dual footpad switch (114) for raising and lowering housing (102) and dual footpad switch (116) for tilting the receptacle (104) forward and backward. Switch (114) operates motor-driven lift system (118), which comprises a pair of scissors jacks (136) and vertical worm gears (134 and 135) driven by a chain (126) and reversible motor (122). Switch (116) operates motor-driven tilting system (142), which comprises a reversible electric motor (146 ) driving a worm gear (148) and a worm gear follower (150) pivotally attached to wheelchair receptacle (104). Accessories include wash basin (154) and wash basin bracket (152) with support (151) adjustably attached to backrest frame (127).

REFERENCES:
patent: 3476404 (1969-11-01), Rachman
patent: 3888463 (1975-06-01), O'Brien et al.
patent: 4192549 (1980-03-01), Petersen
patent: 4492403 (1985-01-01), Blomgren et al.
patent: 4592695 (1986-06-01), McConnell

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