Continuous ring loose leaf notebook

Details Continuous ring loose leaf notebook Continuous ring loose leaf notebook

1987-05-29

1988-11-01

Bell, Paul A.

Binder device releasably engaging aperture or notch of sheet

Sheet retainer travels arcuate path

Travel in plane perpendicular to axis of rotation

402 46, B42F 1320

Patent

active

047814853

ABSTRACT:
Loose leaf retention mechanism, having a ring position shift mechanism, an elongated housing for containing the shift mechanism, coupling means for coupling first terminal portions of one or more continuous unitary (non-split) rings to the shift mechanism, and actuation means, coupled to the shift mechanism, for causing the shift mechanism to selectively assume a first position wherein second terminal portions of the continuous rings, widely separated from the first terminal portions, are positioned within the housing, or a second position wherein second terminal portions of the rings are separated from the housing to enable punched loose leaf sheets to be coupled to the rings.

REFERENCES:
patent: 1396631 (1921-11-01), Jackson
patent: 2878816 (1959-03-01), Panfil
patent: 4264228 (1981-04-01), Staats

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