Patent ID: 7055240

Claim:
A positioning apparatus adapted to be installed outboard of a linear part conveyor for lifting and rigidly positioning a part above the conveyor at a work station, said apparatus comprising a base member supporting a tower member for horizontal linear movement, a carriage member supported by said tower member for vertical linear movement, a generally horizontal elongated arm member supported by said carriage member for horizontal linear movement perpendicular to said linear movement of said tower member and between a horizontally extended position and a retracted position, a first elongated flexible gear belt connected to move said tower member horizontally on said base member, a second elongated flexible gear belt connected to move said carriage member vertically on said tower member, a third elongated flexible gear belt connected to move said arm member horizontally relative to said carriage member, a corresponding idler gear engaging each of said gear belts, and a separate reversible electric motor drive unit for each of said gear belts and having a drive gear engaging a corresponding of said gear belts.