Patent ID: 8322746

Claim:
A cart, comprising: a first structural member having a first portion, a second portion and a third portion; a second structural member having a first portion, a second portion, and a third portion; a pivot that pivotally connects said first portions of said first and second structural members; a force generator that applies a force between said third portions of said first and second structural members, wherein said force generator causes said first and second members to pivot with respect to each other, wherein said force generator comprises a tensioner, wherein said tensioner pulls said third portions of said first and said second structural members toward each other, wherein said tensioner comprises a jackscrew, wherein said jackscrew is rotated by at least one chosen from a crank and a motor, wherein said tensioner is detachably mounted to at least one chosen from said first structural member and said second structural member to allow said first and second structural members to move to a non-use configuration; a first connector connecting said first structural member to a load and a second connector connecting said second structural member to the load wherein the force member causing the pivoting of said first and second structural members toward each other applies a lifting motion at said first and second structural members that is transferred by said first and second connectors to the load; and at least two wheels supporting said first and second structural members said wheels being rotatable about a common axis.