ASYMMETRICAL CURRENT COLLECTOR FOR ELECTRIC ROLLING STOCK Russian patent published in 2002 - IPC

FIELD: railway transport. SUBSTANCE: proposed asymmetrical current collector consists of base, pneumatic drive installed for engagement with hinge-coupled carrying lever and upper frame connected with base by hinge guide, carriages, synchronization tie-rod, two pans, each provided with number of contact inserts and hinge-connected with vertically movable sprung rods of carriages, longitudinal axle of hinge joint being arranged square to pan. Synchronization tie-rod in one of hinge unit is provided with slider coaxial with tie-rod and installed for limited longitudinal displacement. Slider is arranged in hinge unit connecting carrying lever with synchronization tie-rod. EFFECT: provision of uniform wear of contact inserts at change of angle of contact wire tilting between poles. 2 cl, 2 dwg