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Class Information
Number: 16/290
Name: Miscellaneous hardware > Hinge > Resiliently biased hinge > Having transverse helical spring or elastic strip > To counterbalance weight of hinged member (e.g., closure biased to open position) > Including pivoted coaxial spring retaining bar
Description: Hinge including an elongated cylindrical rod extending through the length of the elastically deformable element to retain the element in an axially compressed state, wherein the rod is mounted for swinging movement with respect to both hinged members* as one hinged member swings relative to the other about the hinge axis*.

Patents under this class:

Patent Number Title Of Patent Date Issued
8286306 Hinge for wings or doors Oct. 16, 2012
8087128 Hinge assembly Jan. 3, 2012
7971393 Door actuation systems Jul. 5, 2011
7374137 Directional support structure May. 20, 2008
7125062 Multi-functional cargo bed assembly Oct. 24, 2006
7028373 Spring biased hinges and methods therefor Apr. 18, 2006
6766563 Hinge assembly for a door of kimchi storage device Jul. 27, 2004
6748625 Notebook computer hinge with spring opener Jun. 15, 2004
6648398 Bed panel with torsion pin hinge Nov. 18, 2003
6619723 Bed panel with torsion pin hinge Sep. 16, 2003
6513617 Vehicle hood apparatus Feb. 4, 2003
5099757 Spring rate control in a screen printing device Mar. 31, 1992
4985939 Toilet seat hinge assembly Jan. 22, 1991
4658473 Concealed freezer hinge Apr. 21, 1987
4236272 Hinge comprising a compression spring, which is adapted to balance the weight of a hinged leaf Dec. 2, 1980
4015309 Hinge with compressions spring for counter-balancing weight of leaves Apr. 5, 1977
3950819 Lid counter-balance mechanism Apr. 20, 1976

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