Traction device
US9809932B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 8, 2015 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | Jul 31, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60B39/12
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A traction device to engage a track of a tracked vehicle includes spaced apart longitudinal ribs and spaced apart transverse ribs forming a matrix, with at least one longitudinal rib having first gripping elements spaced apart to engage a track of a vehicle having lugs spaced at a first pitch and at least one other longitudinal rib having second gripping elements spaced apart to engage a track of a vehicle having lugs spaced at a second pitch. A number of third gripping elements are arranged across a width of each of the transverse ribs, and the transverse ribs are spaced to engage a track of a vehicle having lugs spaced at a third pitch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.