than the carriage such that the lateral edges of the carrier 158 can be fig8 located between the arms 98 of the pallet hoist 34 more particularly when the carriage 150 is advanced into the intermediate position the carrier 158 is directly above the pallet hoist frame 74 can be moved into position located immediately below the lower surface of a pallet suspended by the pallet lift assembly 82 in the staging position disclosed above when so positioned the carrier is located between the arms 98 and thereafter receives a pallet suspended by the fingers 110 in a manner discussed below the carriage 150 also includes four top frame clamps 162 mounted on the carrier 158 each clamp 162 includes opposing clamp members 160 the clamps 162 are arranged on the carrier 158 such that respective pairs of clamps 162 are located adjacent each rail 146 on opposite sides of the carrier 158 and are spaced apart so as to receive there between a top frame the clamp members 160 extend downwardly from the carrier 158 and when the carriage is in the initial position the clamp members 160 are engageable with the lateral edges of a top frame supported by the top frame lift assembly 134 the carriage 150 also includes a clamp actuating assembly 166 on the carrier 158 for selectively moving the clamps in unison closer together and farther apart so as to engage and release a top frame the top frame dispenser lift assembly 134 can be indexed upwardly so that the.