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US 8,540,266 B2Granted
Wheelchair
OwnerScott Bradley Bakerinventor
Life of this patent
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Abstract
A wheelchair comprises a main frame and a seat mounted on the main frame. A pair of front wheels and a pair of rear wheels are also mounted on the frame. A propulsion mechanism is provided for driving the rear wheels, the propulsion mechanism comprising an arm lever for forward and back movement and a gear train between the arm lever and the rear wheels.
Claims7
A wheelchair comprising:
- a drive member housing having a first axle and a second axle;
- a rear wheel attached to the first axle of the drive member housing;
- a seat frame mounted on the drive member housing;
- a seat mounted on the seat frame;
- an arm lever extending from the second axle of the drive member housing to a position such that it can be readily operated by an user in the seat;
- and
- a front frame arm attached to the drive member housing, the front frame arm having a front wheel.
4 more elements
Dependencies are inferred from the claim text.