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Class Information
Number: 384/130
Name: Bearings > Rotary bearing > Plain bearing > With specified seal
Description: Subject matter including means for preventing matter from entering into, passing through, or escaping from the bearing.


Sub-classes under this class:

Class Number Class Name Patents
384/137 And scraper 3
384/145 Arcuate bearing surface 21
384/135 Centrifugal 25
384/131 Fluid actuated 9
384/132 Fluid barrier 89
384/144 Labyrinth 36
384/147 Lip seal 54
384/150 Mechanically actuated 11
384/149 Radially contained packing with axially acting follower 5
384/139 Relatively rotatable radially contracting 8
384/151 Resilient sealing surface 21
384/138 Unitary bearing and seal 42


Patents under this class:
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Patent Number Title Of Patent Date Issued
7510330 Fluid dynamic bearing and a storage disk drive with a spindle motor having the fluid dynamic bearing Mar. 31, 2009
7497014 Sliding bearing and method for the manufacture thereof Mar. 3, 2009
7458725 Method and device for sealing a bearing Dec. 2, 2008
7407327 Method and system for withstanding shock in a spindle motor bearing Aug. 5, 2008
7296932 Fluid dynamic bearing having an acute-angled shaft recess Nov. 20, 2007
7296801 Anti-leakage device for lubrication oil in a fan Nov. 20, 2007
7284910 Capillary seal with flow restrictors Oct. 23, 2007
7281852 Spool bearing with asymmetric sealing Oct. 16, 2007
7278840 Compliant viscous seal for fluid transfer device Oct. 9, 2007
7111988 Dustproof structure for a sleeve bearing Sep. 26, 2006
7070331 Hinge bolt modular unit Jul. 4, 2006
7072148 Apparatus for the sealing of a pivot assembly used in a hard disk drive Jul. 4, 2006
6746151 Parallel capillary seal for a disk drive Jun. 8, 2004
6695480 Opposed flow seal/bearing assembly Feb. 24, 2004
6679632 Lubricant retention design for disk drive fluid dynamic bearing spindle motor Jan. 20, 2004
6554478 Bearing assembly for a heat dissipation fan Apr. 29, 2003
6554477 Wiper bearing for a wiper device of a vehicle and for mounting a wiper bearing Apr. 29, 2003
6554474 Hydrodynamic bearing device Apr. 29, 2003
6513979 Hydrodynamic oil-impregnated sintered bearing unit Feb. 4, 2003
6467964 Self cleaning bearing assembly for use in a dehydrator or washer for particulate solids Oct. 22, 2002
6402385 Dynamic pressure bearing apparatus Jun. 11, 2002
6402380 Fluid bearing operable in a vacuum region Jun. 11, 2002
6336745 Oil-impregnated bearing and rotor shaft combination Jan. 8, 2002
6287004 Fluid bearing operable in a vacuum region Sep. 11, 2001
6241393 Grease-lubricated sliding guiding members having a low coefficient of friction and an improved lifetime Jun. 5, 2001
6210041 Bearing and apparatus and method for fabricating same Apr. 3, 2001
6193418 Safety end cap for rotary bearing Feb. 27, 2001
6146020 Seal assembly for rolling mill oil film bearing Nov. 14, 2000
6129533 Sealing system for rotating component of a pump Oct. 10, 2000
5993066 Fluid retention principle for hydrodynamic bearings Nov. 30, 1999
5860746 Sealed roll bearing Jan. 19, 1999
5805958 Seal bearing assembly for a development system Sep. 8, 1998
5685647 Single plate hydrodynamic bearing with self-balancing fluid level and fluid circulation Nov. 11, 1997
5669717 Center flange bearing suitable for use with electrical machinery Sep. 23, 1997
5655862 Machine tool spindle Aug. 12, 1997
5645356 Bush and integral seal Jul. 8, 1997
5558443 Shaft seal for hydrodynamic bearing unit Sep. 24, 1996
5536088 Fluid bearings for electronic spindle motors Jul. 16, 1996
5533811 Hydrodynamic bearing having inverted surface tension seals Jul. 9, 1996
5509737 Bearing with a seal-thrust withstanding member Apr. 23, 1996
5498084 Automatic transmission front-bearing oil-flow control and method of controlling same Mar. 12, 1996
5487608 Single plate hydrodynamic bearing with self-balancing fluid level and fluid circulation Jan. 30, 1996
5482378 Vacuum motor bering protection system Jan. 9, 1996
5427456 Fluid bearing with asymmetrical groove pattern Jun. 27, 1995
5407235 Bearing seal for axles Apr. 18, 1995
5407283 Bearing device for motor Apr. 18, 1995
5368397 Guide bushing with an integrated seal for the clutch-release bearing of a gear unit Nov. 29, 1994
5281033 Housed bearing assembly with sealed roller Jan. 25, 1994
5238308 Adjustable gap hydrostatic element Aug. 24, 1993
5217309 Drive device, especially for wipers of motor vehicles Jun. 8, 1993

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