Wheelchair
AssigneeOrbis Wheels, Inc.
InventorsMarcus G. Hays, Scott Streeter, Gary Leo, Richard Rice, Benjamin Lorimore
Life of this patent
Estimating the term…
Abstract
The present disclosure may relate to a wheelchair that includes a first centerless wheel assembly including a drive roller guide assembly and three other roller guides, and a first drive mechanism coupled to the first drive roller guide assembly to drive the first centerless wheel assembly. The wheelchair may also include a second centerless wheel assembly including a drive roller guide assembly and three additional roller guides, and a second drive mechanism coupled to the second drive roller guide assembly to drive the second centerless wheel assembly.
Claims21
A wheelchair comprising:
- a first wheel assembly comprising:
- a first exoskeleton plate;
- a first roller guide assembly, wherein the first roller guide assembly includes:
- a first roller guide;
- and
- a first shaft fixedly coupled with the first exoskeleton plate and coupled with the first roller guide such that the first roller guide rotates about the first shaft;
- a first centerless rim configured to have a shape that corresponds to a shape of the first roller guide, wherein the first roller guide is configured to roll along the first centerless rim as the first centerless rim rotates;
- and
- a third roller guide configured to operate as an anti-tipping mechanism;
- a second wheel assembly comprising:
- a second exoskeleton plate;
- a second roller guide assembly, wherein the second roller guide assembly includes:
- a second roller guide;
- and
- a second shaft fixedly coupled with the second exoskeleton plate and coupled with the second roller guide such that the second roller guide rotates about the second shaft;
- and
- a second centerless rim coupled with the second tire, the second centerless rim configured to have a shape that corresponds to a shape of the second roller guide, wherein the second roller guide is configured to roll along the second centerless rim as the second centerless rim rotates;
- a third wheel assembly;
- and
- a payload region.
Dependencies are inferred from the claim text.