Traction device for cross-country vehicles and machines
US4154488A · kind A · utility
7Cited by
3References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Oct 12, 1977 |
| Grant date | May 15, 1979 |
| Priority date | — |
| Expiry date | Oct 12, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B15/10
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A cross-country vehicle includes a wheel provided with an outer layer of resilient material having a plurality of circumferentially disposed protruding teeth. A track is provided about the wheel and has a plurality of transverse bars connected to one another and separated by gaps which engage the protruding teeth. Studs moveably mounted in radial holes through at least some of the teeth of the wheel project downwardly to extend through the gaps and into engagement with the ground.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.