RAIL VEHICLE CURREENT COLLECTOR Russian patent published in 2003 - IPC

FIELD: transport engineering; railway transport. SUBSTANCE: invention relates to electrical equipment of rail vehicles with electric traction, namely, to current collecting devices of rail vehicles. Proposed device contains contact disk secured on end of axle, and ring pad. Ring pad is furnished with brush holders with brushes installed square to plane of contact of disk and with pressure devices. Brushes are electrically connected to each other and to axle box housing. Ring pad rests on shaft with bearings secured in contact disk. Ring pad is held from rotation relative to axle box by means of limiter installed in drum. Limiter can displace in slot of ring pad at angular displacement of end face of axle relative to axle box. EFFECT: improved reliability, increased service life facilitated making of contact elements. 1 dwg