Patent · US Expired

Swing tail assembly for miner

US5779321A · kind A · utility

2Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 1996
Grant dateJul 14, 1998
Priority date
Expiry dateNov 12, 2016

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21C35/20
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A swing tail assembly rotates a swing tail conveyor relative to a miner conveyor including a mounting assembly mounting a drive arrangement on a swing tail conveyor. The drive arrangement includes a hydraulic motor, a differential planetary speed reducer and a sprocket connected to said differential planetary speed reducer. A fixed pin/rack arrangement is connected to the fan section of the miner conveyor and the sprocket cooperates with the pin/rack arrangement to rotate the swing tail conveyor relative to the miner conveyor.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.