Shearer-loader drive subassembly and guide shoe for it
US7731298B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2007 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | May 11, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C29/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A shearer-loader drive subassembly having a rotatably mounted drive sprocket, a transmission gear connected to the sprocket in a rotationally fixed manner, at least one releasable guide shoe provided for guiding the shearer loader on a rack arrangement, and a housing base plate, on which a bearing tube is supported and fastened in a rotationally fixed manner. The guide shoe is fastened by a pin which passes through the inner bore of the bearing tube and forms the pivot bearing for the guide shoe. A bearing sleeve rotatably supported on the bearing tube by a bearing may be arranged between the drive sprocket and the bearing tube, onto which bearing sleeve the drive sprocket may be pushed in a releasable manner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.