ASYMMETRIC CURRENT COLLECTOR FOR ELECTRIC ROLLING STOCK Russian patent published in 2011 - IPC B60L5/00 

FIELD: transport.

SUBSTANCE: invention relates to transport vehicles, particularly, to electric rolling stock current collectors. Proposed current collector consists of base, pneumatic drive interacting with articulated load bearing lever and top frame that supports carriages with skid (skids). Note here that top frame is articulated with base, carriage synchronisation tie rod and emergent lowering device. The latter comprises rod with radial groove that moves radially, and two balls arranged at angle to each other. One if said balls interacts with shut-off valve in pneumatic drive line via transfer assembly while second ball is spring loaded to allow its adjustment. Said transfer assembly represents bell crank with one arm interacting with ball moving in rod and another arm interacting with valve arranged on load bearing lever ahead of hinge.

EFFECT: higher reliability in emergency conditions.

4 dwg