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Self-latching hinge assembly
   
Document Number
US Patent 7320152
Issued Date
January 22, 2008
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Abstract
A hinge assembly includes a main member having a main cam member and a bore extending generally along an axis of rotation. A pivot member, fixed to an end of a shaft extending through the bore, includes a pivot cam member and is rotatable with respect to the main member. At least one torque element is rotatably engaged with the shaft and is substantially rotationally fixed with respect to the main member. The at least one torque element imparts a first frictional resistance to the shaft with rotation of the shaft in a first direction and a second frictional resistance to the shaft with rotation of the shaft in a second direction. The first frictional resistance is greater than the second frictional resistance. Interaction of the main cam member with the pivot cam member assists in maintaining the hinge assembly in at least first and second positions.
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Number of Claims:
24
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Owner
Southco, Inc. (Concordville, PA)
Published
January 22, 2008
Application Number
11/188,228
Filed
July 22, 2005
US Classification
16/342   16/297 16/303 16/330 16/334 16/340 361/680 361/681 361/682 361/683
Int'l Classification
E05F   1/08   (20060101)   E05C   17/64   (20060101)   G06F   1/16   (20060101)  
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Parent Case
CROSS-REFERENCE TO RELATED APPLICATIONS This application claims the benefit of U.S. Provisional Patent Application No. 60/590,690, entitled "Self-Latching Hinge", filed Jul. 24, 2004, which is incorporated herein by reference.
USPTO Field of Search
16/303   16/297   16/330   16/334   16/337   16/340   16/342   361/680   361/681   361/682   361/683   248/917   248/918   248/919   248/920   248/921   379/433.13   455/90.3   455/575.1  
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