Tool coupler

摘要

A tool coupler comprises a coupler frame and an attachment frame. The attachment frame is provided with two hooks that engage two catches located on the coupler frame. The coupler frame is provided with two locking pins and the attachment frame is provided with two receiving apertures, for locking the coupler frame to the attachment frame. Both locking pins are actuated by a double acting hydraulic cylinder. The hydraulic cylinder is slidably mounted on the coupler frame. The hydraulic cylinder is provided with a barrel end having the first locking pin and a piston rod having the second locking pin. The coupler frame and the hydraulic cylinder are provided with limiters which limit the sliding movement the piston rod and the barrel end relative to the coupler frame.