Work holders – Relatively movable jaws – With means to bias jaw toward nonholding position
Patent
1976-05-06
1977-02-22
Smith, Al Lawrence
Work holders
Relatively movable jaws
With means to bias jaw toward nonholding position
269229, 269235, B25B 108
Patent
active
040088855
ABSTRACT:
A holddown device for retaining material in place to be sheared, which holddown device includes a longitudinally movable beam that is resiliently maintained in its operating and starting positions, which resilient arrangement precludes breakage of the elements employed to position the beam during its various movements.
REFERENCES:
patent: 1575648 (1926-03-01), Seybold
patent: 2052976 (1936-09-01), Harcourt
patent: 3741562 (1973-06-01), Resch
Einhaus Albert
Gurnth Rudi
Klaus Siegfried
Firma Paul Ferd. Peddinghaus
Smith Al Lawrence
Watson Robert C.
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