Severing by tearing or breaking – Methods
Patent
1989-12-01
1992-04-07
Phan, Hien H.
Severing by tearing or breaking
Methods
225106, B26F 302
Patent
active
051020254
ABSTRACT:
A device to tear the perforated margins off of a stack of computer paper is described. The device has a base which contains a waste receptacle in one embodiment that will catch the removed margins. The device uses a lower and upper elastic rib in one embodiment and a lower elastic rib only in another embodiment. The clamping mechanism is pivotal and the design is such that a given force on the handle will provide a greater than the given force clamping the paper margins. The clamping mechanism is either activated by hand or by power means, preferably an electric solenoid.
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patent: 4754676 (1990-07-01), Wessels
patent: 5007571 (1991-04-01), Nasby et al.
Miles Kimbal Company Business Catalog "Pin Feed Margin Remover" Product N-9157-5, p. 1, publication date unknown.
Kenyon Howard A.
Phan Hien H.
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