Hole punching device for a ringed notebook

Details Hole punching device for a ringed notebook Hole punching device for a ringed notebook

1992-11-09

1993-12-28

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Sheet retainer with separate aperture making device

402 80R, B42F 1340

Patent

active

052733700

ABSTRACT:
A device for punching holes in paper is adapted to be positioned within the binder mechanism of a loose leaf notebook. The device employs an integral receiving base having a bore and cutting aperture. A punch member is slidably disposed within the bore above the aperture and adapted to move in a reciprocal manner in orthogonal relationship to the notebook.

REFERENCES:
patent: 3349774 (1967-10-01), Ryan
patent: 3944373 (1976-03-01), Farjon et al.
patent: 4640451 (1987-02-01), Steiner
patent: 4729688 (1988-03-01), Manz
patent: 4749297 (1988-06-01), Roy

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