Snowmobile drive assembly
US7694768B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2007 |
| Grant date | Apr 13, 2010 |
| Priority date | — |
| Expiry date | Sep 23, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M2027/026
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A snowmobile rear suspension is shown comprised of a linear force element (LFE) positioned outside the envelope of the snowmobile endless track. The snowmobile frame includes a chassis mounted to a tunnel, where the chassis includes a central mounting bracket. The LFE is attached at one end to the bracket and at the other end to a bell crank. The bell crank is operatively connected to the slide rails. When the slide rails collapse in normal operation, the bell crank strokes the LFE, and the suspension is progressive throughout the range. The suspension includes front pivot links which are connected to the tunnel coaxially with a drive shaft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.