Binder device releasably engaging aperture or notch of sheet – Sheet retainer travels arcuate path – Travel in plane perpendicular to axis of rotation
Patent
1999-06-03
2000-08-29
Fridie, Jr., Willmon
Binder device releasably engaging aperture or notch of sheet
Sheet retainer travels arcuate path
Travel in plane perpendicular to axis of rotation
402 36, 402 41, 402 26, B42F 304
Patent
active
061098132
ABSTRACT:
A ring binder includes a housing which partially covers the operating mechanism of the individual rings. The housing is formed as a plurality of individual or discrete housing segments, with a separate housing segment being provided for each of the rings.
REFERENCES:
patent: 3270749 (1966-09-01), O'Connell
patent: 5577852 (1996-11-01), To
patent: 5816729 (1998-10-01), Whaley
Ng Weng Io
To Chun On
Fridie Jr. Willmon
World Wide Stationery Mfg. Co. Ltd.
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