Binding hole punch apparatus

Details Binding hole punch apparatus Binding hole punch apparatus

1978-04-07

1979-11-27

Yost, Frank T.

Cutting

Tool engages work during dwell of intermittent workfeed

Work feed means controlled by means mounted on tool or tool...

83261, 83269, B26D 522

Patent

active

041754573

ABSTRACT:
Disclosed is an apparatus for punching spaced binding holes in discrete stacks of bound pages, the apparatus being characterized by a front stop member and a conveyor belt releasing member whose motion is synchronized with the punch strokes. This action together with use of a joined punch and die assembly in the apparatus adapt the resulting structure for rapid, accurate punching of binding holes in pages received in discrete stacks from a high speed automatic stitcher-binder or the like.

REFERENCES:
patent: 1746032 (1930-02-01), Ely
patent: 1761906 (1930-06-01), Davy et al.
patent: 1796417 (1931-03-01), Wittek
patent: 2339962 (1944-01-01), St. Louis
patent: 2874775 (1959-02-01), Muller
patent: 3234840 (1966-02-01), Smeets
patent: 3921486 (1975-11-01), Valente
patent: 3931751 (1976-01-01), Simonson

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