Snow traction unit for vehicles
US8042629B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Jun 8, 2007 |
| Grant date | Oct 25, 2011 |
| Priority date | — |
| Expiry date | Dec 17, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D55/20
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A snow traction unit to replace a wheel of an all wheel drive vehicle which includes a frame supporting two carrier wheels; said carrier wheels being spaced apart a distance greater than their combined radii; an endless snow contacting track mounted for rotation on said carrier wheels; a track contacting surface provided between the lower extremities of said carrier wheels; a drive engagement means for engaging the drive shaft of the vehicle and for driving at least one of said carrier wheels; the arrangement of the width of the track, the spacing between the carrier wheels and the track contacting surface resulting in the vehicle having a force imprint less than 250 Kg/square meter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.