Wheelchair with forced driven front caterpillar wheels

Details Wheelchair with forced driven front caterpillar wheels Wheelchair with forced driven front caterpillar wheels

2007-12-25

2007-12-25

Bottorff, Christopher (Department: 3618)

Motor vehicles

Special driving device

Portable track

C180S907000, C280S005220, C280S250100

Reexamination Certificate

active

10517232

ABSTRACT:
The present invention relates to a wheelchair with forced driven front caterpillar wheels with a cable-hauling ratchet lever by which a user, by himself/herself, can pass over a road-block or drains on roads, lifts up the caterpillars from the ground for easy steering on caster wheel, engages/disengages the drive wheel having ratchet clutch in the detachable wheel hub to idle the drive wheel/caterpillars for converting from/to manual drive to/from drive by auxiliary power source, and prevents the drive wheel from rolling backward during climbing inclines and controls speed continuously on a slope by a band brake means. So the disabled persons on their legs can travel to outdoors by himself/herself without a care of neighbors.

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patent: 2002-332361 (2002-04-01), None

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