No-slip drive sprocket
US7051829B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 28, 2002 |
| Grant date | May 30, 2006 |
| Priority date | — |
| Expiry date | Nov 2, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62M2027/027
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A drive sprocket for a snowmobile, a drive train using the sprocket, and a method of using the sprocket to drive a track for a snowmobile. The drive sprocket includes a round base, a plurality of convolute lugs on the base, and a plurality of involute lugs on both sides of the base. The base is preferably disk shaped, and the convolute lugs are preferably aligned with the involute lugs. In the preferred embodiment, a number of convolute lugs is one half a number of involute lugs. The convolute lugs should line up with windows in a track for the snowmobile, and the involute lugs should line up with gaps between knobs on the track for the snowmobile. Preferably, the sprocket also includes a hub with a through hole for a drive shaft and stiffening arms radiating from the hub.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.