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Class Information
Number: 402/64
Name: Binder device releasably engaging aperture or notch of sheet > Sheet retainer with releasable keeper (e.g., hold down, etc.) > Keeper including wedge type securing means
Description: Device wherein the keeper includes means to releasably secure it upon the sheet retainer, which means includes a cam element which applies force to the sheet retainer either by direct contact or through an intermediate member.

Sub-classes under this class:

Class Number Class Name Patents
402/65 Skew locked 5
402/67 With screw threaded wedge driving means 0

Patents under this class:

Patent Number Title Of Patent Date Issued
8585310 Binder clip Nov. 19, 2013
8573876 Soft close ring binder mechanism with mating ring tips Nov. 5, 2013
8540451 Binder clip Sep. 24, 2013
7806617 Document binding system Oct. 5, 2010
7413364 Fasteners for albums Aug. 19, 2008
7198422 Flexible strap ring binder Apr. 3, 2007
7160046 Fastening system Jan. 9, 2007
7001096 Paper binder Feb. 21, 2006
6955493 Flexibind books Oct. 18, 2005
6736563 Paper binder May. 18, 2004
6666609 Flip chart holder Dec. 23, 2003
6565277 Paper fastener having folded and shielded side edges May. 20, 2003
6536981 Adjustable binder apparatus Mar. 25, 2003
6394685 Structure of a paper binder May. 28, 2002
6217246 Two-piece paper fastener having rounded sides Apr. 17, 2001
6155737 Bolt action ring binder Dec. 5, 2000
6076990 Binder for holed paper Jun. 20, 2000
5988925 Stacked paper fastener Nov. 23, 1999
5690443 Adjustable, releasable binding fastener Nov. 25, 1997
5653544 Device for the permanent binding of sheaves of paper and method for the fastening of sheaves of paper using said device Aug. 5, 1997
5425592 Hinge binder device Jun. 20, 1995
5338126 Hinge binder device Aug. 16, 1994
5320456 Ratchet binding device for multiple sheets of paper Jun. 14, 1994
5011318 Paper binding fastener Apr. 30, 1991
4984925 Structure of binding clip Jan. 15, 1991
4979841 Member for sheet binding staple Dec. 25, 1990
4820072 Note-book Apr. 11, 1989
4674905 Pre-assembled post lock assembly for loose leaf binders Jun. 23, 1987
4415289 Self-locking nylon post Nov. 15, 1983
4405250 Adjustable looseleaf binder Sep. 20, 1983
4340316 Binding system Jul. 20, 1982
4302123 Clasp element Nov. 24, 1981
4288170 File binding system Sep. 8, 1981
4202642 Loose-leaf binder utilizing stiff covers May. 13, 1980
4060330 Loose leaf binder locking device Nov. 29, 1977

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