Yoke for conveyor or other mining machinery - has parallel telescopic horizontally sliding hollow beams activated by rams to thrust against tunnel sides

摘要

The beams (2,3) are activated by rams (8,12) located outside them (14) and parallel to them. They have extensions (16,19) at their ends angled to the centre line (17) of the yoke (1), with central pivots (18,20). The beams are tubular (38) rectangular or square in cross section and are surrounded by a protective casing (7) with two skids (35) fixed to the bottom (36) at right angles to the beams. USE/ADVANTAGE - Yoke for conveyor or other mining machinery can be used in narrow galleries and be adjusted for wider ones.