Jig for perforating paper sheets and binding those on a ring bin

Details Jig for perforating paper sheets and binding those on a ring bin Jig for perforating paper sheets and binding those on a ring bin

1995-07-17

1997-11-04

Han, Frances

Bookbinding: process and apparatus

Apparatus

Edge binding apparatus

412 33, 412 16, B42B 900

Patent

active

056832184

ABSTRACT:
A jig for perforating paper sheets and for binding said paper sheets perforated on a ring binder is provided. For perforating, paper sheets retaining plate 21 attached pivotally to the guide portion 20 is opened, the surface of the paper sheets positioning portion 28 and the surface of the paper sheets placing portion is flush with each other by locating the former adjacent to the front edge 36 of the latter and paper sheets to be perforated are positioned, thereafter, the paper sheet retaining plate is closed to clamp the paper sheets and the paper sheets positioning portion is turned to protrude the paper sheets from the front edge 36 of the paper sheets placing portion 19 for perforating. For binding the paper sheets perforated, by opening and closing the paper sheets retaining plate 21 which is connected to the movable plate slidable beneath the paper sheets placing portion 19, the ring bars planted on the rear end of the paper placing portion and the L-ring bars provided on the movable plate come close and distant to open the rings set on the rings bars and insert the rings into the perforations of the paper sheets.

REFERENCES:
patent: 3060780 (1962-10-01), Stuckens
patent: 3699596 (1972-10-01), Lyon
patent: 4509397 (1985-04-01), Mori et al.
patent: 4613266 (1986-09-01), Scharer
patent: 4645399 (1987-02-01), Scharer
patent: 4872796 (1989-10-01), Hsieh et al.
patent: 5007782 (1991-04-01), Groswith, III et al.
patent: 5143502 (1992-09-01), Kaufmann et al.
patent: 5183361 (1993-02-01), Ho
patent: 5273387 (1993-12-01), Groswith, III et al.
patent: 5431519 (1995-07-01), Baumann

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