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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Class Information
Number: 402/35
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.) > Stationary retainer with traveling opposed retainer > Spring biased
Description: Device wherein the movable retainer is urged toward or away from its static counterpart by a discrete resilient element.










Patents under this class:

Patent Number Title Of Patent Date Issued
8545122 Binding device Oct. 1, 2013
8545123 Ring binder Oct. 1, 2013
8480327 Binder apparatus Jul. 9, 2013
8414212 Ring binder mechanism Apr. 9, 2013
8277140 Loose-leaf binder Oct. 2, 2012
8052343 Ring binder mechanism Nov. 8, 2011
8002488 Soft close ring binder mechanism Aug. 23, 2011
7748922 Ring binder mechanism with dual pivot locking elements Jul. 6, 2010
7690855 Binding tool for documents or the like Apr. 6, 2010
7674062 Ring binder mechanism Mar. 9, 2010
7665926 Ring mechanism with spring biased travel bar Feb. 23, 2010
7648302 Ring binder mechanism Jan. 19, 2010
7534064 Ring mechanism biased to closed and locked position May. 19, 2009
7527449 Ring binder mechanism May. 5, 2009
7524127 Ring binder mechanism Apr. 28, 2009
7524128 Ring binder mechanism spring biased to a locked position Apr. 28, 2009
7478963 Binding device Jan. 20, 2009
7318684 File mechanism Jan. 15, 2008
7293932 Lever arch binder mechanism with complementary ring tips Nov. 13, 2007
6637968 Three-ring binder with actuating crank Oct. 28, 2003
6422797 Binding element for binding a stack of documents comprised of loose sheets Jul. 23, 2002
6293722 Binder Mechanism Sep. 25, 2001
6196749 Loose-leaf binder Mar. 6, 2001
5957611 Ring binder with dual angle ring metal Sep. 28, 1999
5697722 Ring binder mechanism having spring closure mechanism Dec. 16, 1997
5076722 Loose leaf binder Dec. 31, 1991
4904103 Loose-leaf binder Feb. 27, 1990











 
 
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