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Class Information
Number: 277/580
Name: Seal for a joint or juncture > Seal between relatively movable parts (i.e., dynamic seal) > Circumferential contact seal for other than piston > Having floating ring or bushing (i.e., circumferentially contacting) > Radially translatable in groove
Description: Floating ring or bushing wherein the ring or bushing moves perpendicular to a rotational axis formed between the relatively movable parts and within a channel on one of the relatively movable parts.

Sub-classes under this class:

Class Number Class Name Patents
277/581 And biased 37

Patents under this class:

Patent Number Title Of Patent Date Issued
8656942 Length-adjustable pressure-retaining piping components Feb. 25, 2014
8523188 Centered floating seal Sep. 3, 2013
8196934 Slider seal assembly for gas turbine engine Jun. 12, 2012
RE42379 Gas-tight seal accomodating surgical instruments with a wide range of diameters May. 17, 2011
7793941 Ring seal with inner lip Sep. 14, 2010
7686308 Fluid-activated shaft seal Mar. 30, 2010
7543822 Composite rotary seal assembly Jun. 9, 2009
7516962 Spoke-centered brush seal arrangement for use in a gas turbine Apr. 14, 2009
7413194 Pressure balanced annular seal Aug. 19, 2008
7090219 Sealing device Aug. 15, 2006
7004509 Journal bearing mounted hub seal rotary joint Feb. 28, 2006
6522708 Seal arrangement for in-core instrument housing Feb. 18, 2003
6505834 Pressure actuated brush seal Jan. 14, 2003
6504888 Apparatus and methods of flow measurement for a boiling water reactor internal pump Jan. 7, 2003
6431553 Radially pressure balanced floating seal system Aug. 13, 2002
6422570 Lip type seal Jul. 23, 2002
6302399 Sealing device and process for sealing a moving surface with the sealing device Oct. 16, 2001
6145843 Hydrodynamic lift seal for use with compressible fluids Nov. 14, 2000
6036191 Rotary valve seal assembly Mar. 14, 2000
5957462 Seal structure between a rotatable member and a stationary member Sep. 28, 1999
5941534 Hydraulic seal system Aug. 24, 1999
5921166 Cylinder apparatus Jul. 13, 1999
5772259 Slide assembly with telescoping fluid conduits with improved sealing arrangement Jun. 30, 1998
5765838 Sealing gasket made of expanded graphite, with opened thin-leaf surface structure Jun. 16, 1998
5123297 Lubricant retaining device Jun. 23, 1992
5039115 Seal for a rotating shaft Aug. 13, 1991
4947811 Floating valve stem seal Aug. 14, 1990
4572518 Leak free floating packing shaft seal Feb. 25, 1986
4497494 Pressure activated seal ring Feb. 5, 1985
4494760 Pressure balanced floating seal Jan. 22, 1985
4296675 Cylinder cushion with contractable ring Oct. 27, 1981
4165079 Fluid seal ring Aug. 21, 1979
4093242 Slag blower wall box seal Jun. 6, 1978
4039197 Sealing ring Aug. 2, 1977

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