초록 ▼

A combination foldable ladder and hand truck is disclosed comprising a plurality of ladder sections joined at respective ends by hinges and having retractable transport wheels and a retractable support means. The device is functional as a step ladder as well as an extension ladder in an open positio

A combination foldable ladder and hand truck is disclosed comprising a plurality of ladder sections joined at respective ends by hinges and having retractable transport wheels and a retractable support means. The device is functional as a step ladder as well as an extension ladder in an open position with the support means and transport wheels each in their retracted positions. The device is functional as a hand truck in a closed position with the support means in an extended forward position for supporting goods and the transport wheels in an extended downward position, for rolling.

대표청구항 ▼

A combination foldable ladder and hand truck comprising: a plurality of ladder sections, each having a pair of spaced apart side rails and a plurality of spaced apart rungs joining said pair of spaced apart side rails; hinge means for connecting one end of a first ladder section to one end of a seco

A combination foldable ladder and hand truck comprising: a plurality of ladder sections, each having a pair of spaced apart side rails and a plurality of spaced apart rungs joining said pair of spaced apart side rails; hinge means for connecting one end of a first ladder section to one end of a second ladder section and for maintaining said ladder sections in any one of a plurality of positions, said first ladder section being movable away from said second ladder section to an open co-linear position wherein said first and second ladder sections form an extension ladder, said first and second ladder sections being movable toward each other to at least one intermediate position wherein a V-shaped stepladder is formed, said first ladder section being parallel to and adjacent said second ladder section in a closed position; means for support of goods, said support means having a retracted position at least partially within said side rails of said first and second ladder sections and an extended forward position at least partially extending forward of one of said first and second ladder section side rails; and means for transport of said combination and goods, said transport means movable between a retracted position in which said transport means is inoperative and an extended downward position for engaging a surface for movement of said combination and goods thereacross, wherein a hand truck is formed when said ladder sections are in said closed position, said support means is in said extended forward position and said transport means is in said extended downward position.