Combined punch and binding machine having an improved pressure b

Details Combined punch and binding machine having an improved pressure b Combined punch and binding machine having an improved pressure b

1985-11-05

1987-02-24

Bell, Paul A.

Bookbinding: process and apparatus

Apparatus

With cutter

412 40, 83549, 83622, B42C 100, B42B 400, B26D 500, B26D 508

Patent

active

046453997

ABSTRACT:
There is disclosed herein a combined punch and binding machine having a pressure bar assembly for use in the selected actuation of punch members. The pressure bar includes an elongated back plate having an actuator insert receiving aperture at each end thereof, a row of set pin receiving apertures, and a plurality of forwardly extending stripper plate engaging fingers. The pressure bar assembly also includes an elongated unitary forward member for alignment with and securement to said back plate member. The unitary member includes an actuator receiving recess at each end aligned with said plate receiving apertures. The unitary member also includes a housing defining a row of elongated and forwardly extending set pin receiving slots, each slot aligned with and spaced from the back plate set pin apertures. A spacer shoulder is also provided for spacing the pin receiving slots from the back plate to define a inactive punch receiving space. Leaf spring detents are mounted on the unitary member and overlie each of the slots so as to engage a set pin therein.

REFERENCES:
patent: 2957380 (1960-10-01), Duncan et al.
patent: 3122761 (1964-03-01), Bouvier
patent: 3125887 (1964-03-01), Bouvier et al.
patent: 3227023 (1966-01-01), Bouvier
patent: 3699596 (1972-10-01), Lyon
patent: 3793660 (1974-02-01), Sims
patent: 4008501 (1977-02-01), Cutter
patent: 4324013 (1982-04-01), Wu

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