Flip packet

Details Flip packet Flip packet

1997-11-26

2000-08-01

Fridie, Jr., Willmon

Binder device releasably engaging aperture or notch of sheet

Resilient sheet retainer requiring deflection for sheet removal

402 80P, B42F 302

Patent

active

060957115

ABSTRACT:
A stack of sheet material defining a packet assembly. Each sheet is provided with a single elongated slot spaced from one of its edges such that each sheet is captured by a single tubular element providing for the stack of sheet material to be in registry. A tubular element is provided with a slit extending throughout its longitudinal surface for capturing each sheet of the stack maintaining the sheets in registry within the stack and providing for rotation of each sheet about the tubular element.

REFERENCES:
patent: 904618 (1908-11-01), Kellner, Jr.
patent: 2380780 (1945-07-01), Novak
patent: 2543437 (1951-02-01), Claxton
patent: 2547166 (1951-04-01), Nelson et al.
patent: 2718229 (1955-09-01), Gregory
patent: 4422785 (1983-12-01), Shore
patent: 4500223 (1985-02-01), Downing et al.
patent: 4792253 (1988-12-01), Jacobson
patent: 4840406 (1989-06-01), Pitts
patent: 5015114 (1991-05-01), Miller
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