Severing by tearing or breaking – Breaking or tearing apparatus – Web restrainer
Patent
1988-08-29
1991-04-16
Phan, Hien H.
Severing by tearing or breaking
Breaking or tearing apparatus
Web restrainer
225 93, B26F 302
Patent
active
050075713
ABSTRACT:
A manually operable clamp for removing the sprocket feed margin strips from continuous computer print-out paper when the strips are removably attached along perforated tear lines. In the preferred form, the jaws of the clamp are integrally connected by a live hinge and have elongated rectangular mating clamping surfaces which are provided by U-shaped channel portions of the jaws. The clamping surface of one jaw has a plurality of pin-receiving openings therein while a plurality of pins project from the other clamping surface. The size and spacing of the sprocket tooth receiving openings in the margin strips. The inner side of the U-shaped channel portion of the jaw having the clamping surface with pin-receiving openings serves as a fence against which the elongated edges of margin strip abut when the openings in the margin strips are in alignment with the pin-receiving openings. One end only of the clamping surface having the pin-receiving openings also has an margin strip positioning abutment which is engaged by one end of the margin strips.
REFERENCES:
patent: 2782856 (1957-02-01), Staley
patent: 3838953 (1975-05-01), Saullo et al.
patent: 4529113 (1985-07-01), Elliott
patent: 4657163 (1987-04-01), Cats
patent: 4782986 (1988-11-01), Loesche
patent: 4886198 (1989-12-01), De Larosiere
Nasby James S.
Rood Michael J.
Perf-Mate Company
Phan Hien H.
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