Cutting – Tool engages work during dwell of intermittent workfeed – Work-feed element contacts and moves with work
Patent
1978-07-17
1980-11-25
Meister, J. M.
Cutting
Tool engages work during dwell of intermittent workfeed
Work-feed element contacts and moves with work
83 36, 83251, 83418, 83419, B26D 716
Patent
active
042351391
ABSTRACT:
Automatic power shearing apparatus and method for trimming sheet material into finished blanks comprising blade means, x and y axis feeding means and sheet feeding means including a first power driven means for moving the sheet in x and y directions and a second means responsive to a control acting to move the sheet in preselected directions by a constant counter balance against the first power driven means.
REFERENCES:
patent: 3598007 (1971-08-01), Williams et al.
patent: 3820431 (1974-06-01), Peddinghaus
patent: 3877332 (1975-04-01), Roch
patent: 3890862 (1975-06-01), Lhenry
patent: 4090703 (1978-05-01), Straube
Haenni Eduard A.
Ragettli Christian
Haemmerle A.G.
Meister J. M.
Saffitz Abraham
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