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Class Information
Number: 402/37
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.) > Hinged on spaced axes > Toggle-type arrangement
Description: Device wherein the oppositely disposed sheet retainer are acted upon by a toggle joint means to bias the retainers against rotational travel.










Sub-classes under this class:

Class Number Class Name Patents
402/39 Including abutting mated components 44
402/38 With actuator to open or close retainers 115


Patents under this class:

Patent Number Title Of Patent Date Issued
8517624 Binder apparatus Aug. 27, 2013
8393819 Binder apparatus Mar. 12, 2013
8096726 Sheet lifter Jan. 17, 2012
8047737 Ring binder mechanism Nov. 1, 2011
7950866 Ring binder mechanism with polymeric housing May. 31, 2011
7758271 Ring mechanism biased to closed and locked position Jul. 20, 2010
7665926 Ring mechanism with spring biased travel bar Feb. 23, 2010
7661898 Soft close ring binder mechanism with reinforced travel bar Feb. 16, 2010
7654765 Ring binder having a clip Feb. 2, 2010
7597498 Positive lock ring binder mechanism Oct. 6, 2009
7524128 Ring binder mechanism spring biased to a locked position Apr. 28, 2009
7478963 Binding device Jan. 20, 2009
7404685 Ring binder mechanism spring biased to a locked position when ring members close Jul. 29, 2008
7275886 Positive lock ring binder mechanism Oct. 2, 2007
6916134 Safety ring binder having sliding actuators Jul. 12, 2005
RE38731 Ring binder May. 3, 2005
6540260 Photograph album page, spine and system Apr. 1, 2003
6293722 Binder Mechanism Sep. 25, 2001
6217247 Ring binder mechanism Apr. 17, 2001
6196749 Loose-leaf binder Mar. 6, 2001
6116804 Binder security lock Sep. 12, 2000
6045286 Metal ring binder with auxiliary springs Apr. 4, 2000
6030139 Flanged cover with prongs for a ring binder assembly Feb. 29, 2000
5904435 Locking booster ring binder mechanism May. 18, 1999
5842807 Ring binder Dec. 1, 1998
5816729 Ring binder with low profile ring metal Oct. 6, 1998
5810500 Ring binder Sep. 22, 1998
5692848 Ring binder Dec. 2, 1997
5378073 Ring binder carrier rail Jan. 3, 1995
5348412 Releasable attachment for a ring metal to a ring binder Sep. 20, 1994
5106222 Embossed cover for ring binder mechanism Apr. 21, 1992
4919557 Looseleaf binder with sliding lock mechanism Apr. 24, 1990
4904103 Loose-leaf binder Feb. 27, 1990
4813803 Trigger mechanism for ring binder Mar. 21, 1989
4810125 Ring mechanism Mar. 7, 1989
4522526 Ring mechanism for loose leaf binders and method of manufacture therefor Jun. 11, 1985











 
 
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