US Patent 8430226 Work transfer apparatus

A work transfer apparatus includes a holding unit (100) that rotates together with a rotation table (20) as a transferring mechanism intermittently driven to be fed, a lifting and lowering unit (200) for lowering the holding unit in order to transfer a workpiece held by the holding unit onto a processing table (30) as well as lifting the holding unit in order to transfer the workpiece held on the processing table onto the holding unit, and a fixing unit (300) that fixes the workpiece held on the holding unit and releases the workpiece when transferring the workpiece onto the processing table.