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Class Information
Number: 402/33
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer travels arcuate path > Travel in plane perpendicular to axis of rotation > Opposed sheet retainers (e.g., ring binders, etc.) > Opening between retainers adjustable in predetermined increments
Description: Device wherein (1) the spacing between the distal ends of the aligned retainers or (2) the amount of overlap or spacing between the distal ends of offset retainers is changeable in predetermined amounts.

Patents under this class:

Patent Number Title Of Patent Date Issued
8118513 Binder lock mechanism including a manually adjustable locking bar Feb. 21, 2012
7690855 Binding tool for documents or the like Apr. 6, 2010
6196749 Loose-leaf binder Mar. 6, 2001
6062760 Modular binder ring construction May. 16, 2000
4566817 Ring binder Jan. 28, 1986
3944374 Loose leaf binder Mar. 16, 1976

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