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US 2018/0021192 A1Published application
Wheelchair
OwnerDouglas G. Robinsinventor
Life of this patent
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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.
Claims2
A human mobility device, comprising:
- a frame;
- a seat configured to support a human;
- and,
- a plurality of wheels connected to said frame.
1 more element
A method of using a human mobility device, comprising:
- sitting on a seat connected to a frame, and,
- operating one or more levers to urge the human mobility device forward.
Dependencies are inferred from the claim text.