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Class Information
Number: 402/6
Name: Binder device releasably engaging aperture or notch of sheet > Pivotal link type sheet retainer > With means to apply tension thereto
Description: Device including a mechanical movement (e.g., linkage system, spring, screw rod with nut, etc.) which retracts a portion of the length of the sheet retainer to reduce the sheet storage capacity of the device.

Patents under this class:

Patent Number Title Of Patent Date Issued
6499766 Media folder improvements Dec. 31, 2002
6149200 Report cover and method of making Nov. 21, 2000
6043866 Carrier sheet and original reading apparatus Mar. 28, 2000
4693624 Binding mechanism for perforated papers Sep. 15, 1987

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