Workpiece holding-down structure for blind cutting machine

Cutting – With work immobilizer – Means to clamp work

Reexamination Certificate

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Details

C083S463000, C083S466000

Reexamination Certificate

active

06990881

ABSTRACT:
A workpiece holding-down structure is used in a blind cutting machine and adapted to hold down a blind in a cutter unit of the blind cutting machine. The workpiece holding-down structure includes a workpiece feeder abutted against the cutter unit, and a clamp installed in the workpiece feeder. The clamp has a clamping bar unit fastened pivotally with a bottom wall of the workpiece feeder near one lateral side of the workpiece feeder and adapted to push a blind been put in the workpiece feeder toward the other lateral side of the workpiece feeder and to further hold down the blind for cutting.

REFERENCES:
patent: 475782 (1892-05-01), Luger
patent: 1569236 (1926-01-01), Puterbaugh
patent: 2121349 (1938-06-01), Peddicord
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patent: 2783796 (1957-03-01), Patterson
patent: 3457972 (1969-07-01), Johnson
patent: 4476757 (1984-10-01), Morris
patent: 5103704 (1992-04-01), Spath et al.
patent: 6446687 (2002-09-01), Jukoff
patent: 6543973 (2003-04-01), Lapikas et al.
patent: 6619643 (2003-09-01), Hayday
patent: 6644160 (2003-11-01), Boselli
patent: 2179293 (1987-03-01), None

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