Article-handling apparatus with pusher and anchor means mounted on a vertically movable subframe

Claim 1

ARTICLE-HANDLING MECHANISM FOR AN INDUSTRIAL TRUCK HAVING AN UPRIGHT MAST SECTION WITH A CARRIAGE MOVABLE THEREALONG, SAID MECHANISM COMPRISING A FRAME SECTION ADAPTED TO BE MOUNTED ON SAID CARRIAGE, SUPPORT MEANS PROVIDING A PLATFORM FOR SUPPORTING A LOAD SECURED TO SAID FRAME SECTION AND EXTENDING FORWARDLY THEREOF, A VERTICALLY MOVABLE SUBFRAME MOUNTED ON SAID FRAME SECTION ABOVE SAID SUPPORT MEANS, AND POWER-OPERATED MEANS OPERATIVELY INTERSPOSED BETWEEN THE FRAME SECTION AND SUBFRAME FOR PRODUCING VERTICAL MOVEMENT IN THE SUBFRAME, JAW MECHANISM FOR CLAMPING ONTO A PALLET, INCLUDING A PAIR OF COOPERATING JAW MEMBERS, RELATIVELY ADJUSTABLE BETWEEN CLAMPING AND RELEASE POSITIONS, OPERATIVELY MOUNTED ON SAID SUBFRAME THROUGH AN EXTENSIBLE MEMBER IN A POSITION ABOVE AND ADJACENT SAID SUPPORT MEANS, SAID JAW MECHANISM, INCLUDING ITS