Manually-propelled vehicle and related systems
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United States of America Patent
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Jul 12, 2005
Grant Date -
Mar 18, 2004
app pub date -
Jul 14, 2003
filing date -
Aug 5, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention provides a propulsion, braking and anti-rollback control assembly for use in manually propelled vehicles such as wheelchairs. In one embodiment, the invention provides a wheelchair with a control lever assembly and related force conveyance connecter that propel, brake and steer the wheelchair in a mechanically advantageous way while minimizing rollback. A seat-activated auxiliary braking system is also provided. Additionally, the invention provides a selective anti-rollback disengagement system that facilitates selective rollback.
First Claim
Family
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