Metal working – Means to assemble or disassemble – With work-holder for assembly
Reexamination Certificate
2008-04-08
2011-10-18
Arbes, Carl (Department: 3729)
Metal working
Means to assemble or disassemble
With work-holder for assembly
C029S281100, C029S739000, C029S730000, C269S001000, C269S021000
Reexamination Certificate
active
08037588
ABSTRACT:
A back-up table for a chip mounter. The back-up table for a chip mounter includes a base plate, a back-up plate spaced a predetermined distance from the base plate to support a back-up pin that supports a printed circuit board, and at least one set of link units installed between the base plate and the back-up plate and facing opposite to each other. The back-up table further comprises a first driving part installed between the opposite facing link units and operating the link units to raise and lower the back-up plate, and a second driving part serially connected to the first driving part.
REFERENCES:
patent: 4744712 (1988-05-01), Mitchell
patent: 4993696 (1991-02-01), Furukawa et al.
patent: 6189876 (2001-02-01), Frazier
patent: 6271657 (2001-08-01), Nemoto
patent: 6347442 (2002-02-01), Hwang
patent: 0131578 (1998-09-01), None
patent: 1020070004350 (2007-01-01), None
Arbes Carl
Drinker Biddle & Reath LLP
Samsung Techwin Co. Ltd.
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