Binder for loose-leaf notebook

Details Binder for loose-leaf notebook Binder for loose-leaf notebook

1996-09-17

1997-09-30

Fridie, Jr., Willmon

Binder device releasably engaging aperture or notch of sheet

Depository

402 77, 402 77, 281 29, B42F 1300

Patent

active

056720220

ABSTRACT:
Disclosed is a binder for loose-leaf notebook mainly including a hollow middle connector having two side axes and a label recess formed at a ridge portion thereof, two loose covers, two pivotal connectors having axis grooves and loose cover grooves to respectively engage with the side axes of the middle connector and two inner edges of two loose covers, two end insertions inserted into two end openings of the hollow middle connector, and two closing members disposed between the two loose covers. The binder can be easily produced and assembled to form a loose-leaf notebook while the loose covers thereof can be locked up.

REFERENCES:
patent: 3046932 (1962-07-01), Rodrigue
patent: 4828421 (1989-05-01), Arakaki
patent: 5108212 (1992-04-01), Lee
patent: 5273319 (1993-12-01), Lee

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