Wheelchair With Ratchet/Pawl Drive System
OwnerGerald M. Steinerinventor
Life of this patent
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Abstract
A wheelchair with a ratchet/pawl drive system comprising a seat back, a seat bottom, a frame, two mounting brackets, two car guide tracks, two front wheel assemblies, two car assemblies, two brake assemblies, two drive wheels, and two wheelchair wheels. The ratchet/pawl drive comprises at least one drive wheel sprocket, at least one ratchet/pawl assembly, at least one forward-neutral-reverse lever and at least one brake assembly. The ratcheting/pawl drive system may be included in a novel wheelchair or may be integrated into existing standard wheelchairs as a retrofit kit.
Claims20
A wheelchair comprising:
- a seat back;
- a seat bottom;
- a frame;
- two mounting brackets;
- two car guide tracks;
- two front wheel assemblies;
- two car assemblies;
- two brake assemblies;
- two drive wheels;
- and
- two wheelchair wheels.
A wheelchair retrofit kit comprising:
- at least one drive wheel with a drive wheel sprocket;
- at least one mounting bracket with a car guide track;
- at least one car assembly;
- at least one forward-neutral-reverse lever;
- at least one brake assembly;
- and
- attachment equipment.
A ratcheting wheelchair drive system for wheelchairs comprising:
- at least one drive wheel sprocket;
- at least one ratchet/pawl assembly;
- at least one forward-neutral-reverse lever;
- and
- at least one brake assembly.
Dependencies are inferred from the claim text.