Patent ID: 6991398

Claim:
A tool coupler for coupling an attachment to a work vehicle, the tool coupler comprising: an attachment frame mounted to the attachment, the attachment frame having a first aperture and a second aperture; a coupler frame mounted to the work vehicle; a hydraulic cylinder slidably mounted on the coupler frame, the hydraulic cylinder having a piston rod and a barrel end, both the piston rod and the barrel end can slide relative to the coupler frame, the barrel end is provided with a first locking pin and the piston rod is provided with a second locking pin, the hydraulic cylinder having an extended coupled position and a retracted uncoupled position, when the attachment and coupler frames adjoin one another and the hydraulic cylinder is placed in its extended coupled position the first locking pin engages the first aperture and the second locking pin engages the second aperture coupling the attachment frame to the coupler frame, wherein the entire barrel end slides with the first locking pin towards the first aperture, the piston rod is slidably mounted to the coupler frame, sliding of the piston rod relative to the coupler frame is limited by a piston rod limiter engaging the piston rod and the coupler frame and the piston rod limiter comprises a piston rod slot formed in the coupler frame and a piston rod pin extending from the piston rod that engages the piston rod slot.