Binder device releasably engaging aperture or notch of sheet – Sheet retainer travels arcuate path – Travel in plane perpendicular to axis of rotation
Patent
1996-06-06
1998-09-15
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 26, 402 41, B42F 304
Patent
active
058070060
ABSTRACT:
A ring binder to be fixed to an article includes a support for mounting a plurality of ring members thereon, with a control member to open and close the ring binder. The support is cooperable solely with the control member to lock the ring members in closed position, the support being provided with a hooked portion to lock the ring members in closed position. In another embodiment, the support has a pair of support members disengageable during opening of the ring binder, one support member having at least one engagement member directly cooperable with the other support member during closing of the ring binder. The ring binder further includes a control member movable along a sloped portion of the under surface of the support to cause the support to pivot and thereby open the ring members, the sloped portion being provided on the underneath of at least one of the support members, approximately along the centerline.
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Search Report for GB Application No. 9601403.0 (dated Jan. 22, 1997).
Fridie Jr. Willmon
Leco Stationery Manufacturing Company Limited
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