초록 ▼

A pallet includes a first component which has a first upper surface, and a first lower surface which includes a first plurality of cross-rib members. A second component has a second lower surface, and a second upper surface which includes a second plurality of cross-rib members corresponding and mou

A pallet includes a first component which has a first upper surface, and a first lower surface which includes a first plurality of cross-rib members. A second component has a second lower surface, and a second upper surface which includes a second plurality of cross-rib members corresponding and mounted to the first plurality of cross-rib members. A third component is adjacent the second component and has a third upper surface, and a third lower surface which includes a third plurality of cross-rib members. A fourth component has a fourth upper surface which includes a fourth plurality of cross-rib members corresponding and mounted to the third plurality of cross-rib members. A plurality of intermediate column members extend between the second lower surface and third upper surface.

대표청구항 ▼

A pallet includes a first component which has a first upper surface, and a first lower surface which includes a first plurality of cross-rib members. A second component has a second lower surface, and a second upper surface which includes a second plurality of cross-rib members corresponding and mou

A pallet includes a first component which has a first upper surface, and a first lower surface which includes a first plurality of cross-rib members. A second component has a second lower surface, and a second upper surface which includes a second plurality of cross-rib members corresponding and mounted to the first plurality of cross-rib members. A third component is adjacent the second component and has a third upper surface, and a third lower surface which includes a third plurality of cross-rib members. A fourth component has a fourth upper surface which includes a fourth plurality of cross-rib members corresponding and mounted to the third plurality of cross-rib members. A plurality of intermediate column members extend between the second lower surface and third upper surface. h the first and second driven sprockets. 16. The carriage of claim 15, further comprising a tensioning arrangement interconnected with one of the first and second sections of the drive chain for maintaining tension the drive chain. 17. The carriage of claim 13, wherein the first and second rollers are rotatably mounted to a support member associated with the frame, and wherein the first and second rollers are located outwardly of a laterally facing side defined by the support member. 18. The carriage of claim 17, wherein the first and second driven sprockets are in alignment with each other and wherein the first and second sections of the drive chain are generally coplanar and are formed of a single length of chain engaged with the input drive sprocket means and with both the first and second driv