Patent ID: 6592322
Filing Date: 2003-07-15
Classification: H01L,Y10S

Abstract:
A personal guided transport vehicle comprising:a vehicle base frame, said vehicle base frame having a three-dimensional frame structure composed of a plurality of frame bars, a horizontal table in a middle part thereof, and a plurality of wheels at a bottom side thereof; a horizontal motion unit, said horizontal motion unit comprising at least one horizontal rail mounted on said horizontal table, a horizontal slide mounted on the at least one horizontal rail of said horizontal motion unit and adapted to move along the at least one horizontal rail of said horizontal motion unit, a shaft supported on said horizontal slide, and a horizontal operating lever fixedly connected to the shaft of said horizontal motion unit for operation by hand to rotate the shaft of said horizontal motion unit; a vertical motion unit, said vertical motion unit comprising at least one vertical rail fixedly mounted on said horizontal slide, a vertical slide mounted on the at least one vertical rail of said vertical motion unit and adapted to move along the at least one vertical rail of said vertical motion unit, a shaft mounted on said horizontal slide, a vertical operating lever fixedly connected to the shaft of said vertical motion unit for operation by hand to rotate the shaft of said vertical motion unit, and a cam fixedly mounted on the shaft of said vertical motion unit and adapted to move said vertical slide along the at least one vertical rail of said vertical motion unit upon rotation of the shaft of said vertical motion unit; a carrier support unit, said carrier support unit comprising two horizontal forks disposed at a top side and adapted to carry a wafer carrier, and an upright support disposed at a bottom side and fixedly fastened to said vertical slide; and an interlock mechanism adapted to interlock the shaft of said horizontal motion unit and the shaft of said vertical motion unit.