Power-and-free trolley conveyor of floor type

摘要

A power-and-free trolley conveyor comprising carriers adapted to run on a free line and each including a free trolley provided with a pair of opposite pivotable engaging dogs. Each of the engaging dogs has a downwardly projecting engaging projection and a disengaging wing. A power line is disposed immediately below the free line or toward one side thereof to bring a pusher dog on a power trolley into engagement with the engaging projection of at least one of the pair of engaging dogs, whereby the carrier is transferred to another line for joining or diversion.