DRIVING MECHANISM FOR STAIRS AND PARALLEL PALLET OF ESCALATORS AND FLOOR CONVEYER

摘要

Outer plates (47, 48) are fixed in rotation to the link pins (42) and inner plates (49, 50) to the bushes (44) and sealing components (53, 54) are fitted in the region of both faces of the bushes (44). The link-pins (42) consist of galvanised case-hardened steel pins while the bushes (44) are of case-hardened quenched and tempered steel with a galvanised coating. Between the link-pins (42) and the bushes (44) extends at least one plain bearing consisting of a thin-walled, possibly fibre-reinforced plastic bush (45, 46). A thin film of lubricant may initially be applied between the link-pins (42) and the plain bearing.