Variable diameter wheel
US9415631B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2014 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Dec 23, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Y2400/40
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Disclosed is a variable-diameter wheel including a wheel having a folding pattern in which a unit cell is repeated and configured to be expanded or contracted so that a wheel diameter is varied; a spoke fixedly coupled to both longitudinal ends of the wheel and configured to be expanded or contracted according to a change in a distance between both sides, such that the wheel diameter is varied; and a variable induction shaft rotatably coupled with one of the both spokes to move the spoke in at least one lengthwise direction and configured to vary a distance between one spoke and the other spoke.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.