Binder device releasably engaging aperture or notch of sheet – Sheet retainer travels arcuate path – Travel in plane perpendicular to axis of rotation
Patent
1988-03-28
1990-08-14
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 41, B42F 1314, B42F 1332
Patent
active
049482866
ABSTRACT:
An ordering means for document files or the like comprises a base plate which is provided with at least two fixed ordering pins. At least one movable closure bow can be brought into closure contact with the ordering pins. Possibly a holder-down is provided which is adapted to be clamped with respect to the ordering pins. A locking member displaceable with respect to the base plate serves to adjust the closure bow or bows and on the base plate guide means are provided for guiding the locking member. The locking member is provided with guide slots or guide grooves via which the locking member is in engagement with each closure bow so that on displacement of the locking member the respective closure bow can be opened or closed.
REFERENCES:
patent: 2789561 (1957-04-01), Bonn et al.
patent: 4415290 (1983-11-01), Ohminato
patent: 4449840 (1984-05-01), Ohminato
patent: 4486112 (1984-12-01), Cummins
Bell Paul A.
Hofmann Gudrun
Hofmann Raimond
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