Patent ID: 7032758

Claim:
A workpiece holder installed in a clean container, said clean container comprises a base, a cassette, and a housing, wherein said cassette is fixedly provided at a top side of said base and adapted to hold a number of workpieces that are transversely insertable into said cassette, said housing being adapted to cover said base over said cassette; said workpiece holder comprising: a locating member fixedly fastened to an inside wall of said housing of said clean container, said locating member having a vertical sliding groove and a horizontal knuckle; a vertical slide vertically movably inserted into said vertical sliding groove of said locating member, said vertical slide having a transversely horizontal sliding groove; a holder member set between said locating member and said cassette, said holder member comprising a thrust face, a horizontal sliding block and a horizontal knuckle wherein said thrust face projects toward the workpieces and is adapted to push the workpieces in said cassette into position, said horizontal sliding block backwardly extending toward said vertical slide and being movably inserted into the corresponding horizontal sliding groove of said vertical slide; and a link, said link having a first pivot, and a second pivot, wherein said first pivot pivoted with the horizontal knuckle of said locating member, said second pivot pivoted with the horizontal knuckle of said holder member; wherein when covering said housing on said base, a bottom side of said vertical slide is stopped at the top side of said base, and said locating member is continuously lowered with said housing, thereby causing said vertical slide to slide upwardly along the vertical sliding groove of said locating member, so as to turn said link upwardly subject to the first pivot, and at the same time said horizontal sliding block of said holder member slides forward in said horizontal sliding groove of said vertical slide, and the thrust face of said holder member pushes the inserted workpieces in said cassette into position.