Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Douglas G. Robins0
Date of Patent
August 13, 2019
0Patent Application Number
157078430
Date Filed
September 18, 2017
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A conveyance to carry humans, such as a wheelchair, is described having levers on each side of the wheelchair that are manually moved forward and backward to propel the conveyance. The user is able to shift into forward, reverse or neutral, brake, and change mechanical advantage (gear ratio), all this without removing the user's hands from the drive levers.
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