Patent · US Active

Shearer-loader drive subassembly and guide shoe for it

US7731298B2 · kind B2 · utility

16Cited by
1References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 2007
Grant dateJun 8, 2010
Priority date
Expiry dateMay 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.