Patent ID: 8132518

Claim:
A lift device system for use in displacing a load in a substantially linear manner, the lift device system comprising: a platform; a base; a lifting mechanism coupled with the platform and the base, the lifting mechanism comprising: a first member having first and second ends, where the first end of the first member is pivotally coupled with the platform; a second member, having first and second ends, where the first end of the second member is pivotally coupled with the base, at a first point, and the second end is directly and pivotally coupled with the second end of the first member at a connector joint; a connecting member having first and second ends, wherein the first end of the connecting member is pivotally coupled with the base at a second point, where the second point is above the first point, and the second end of the connecting member is pivotally coupled with first member; a shared member, having first and second ends, where the first end of the shared member is pivotally coupled with the second end of the first member and the second end of the second member; and a third member having first and second ends, where the first end of the third member is pivotally coupled with the base, and the second end of the third member is pivotally coupled with the second end of the shared member.