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Class Information
Number: 384/108
Name: Bearings > Rotary bearing > Fluid bearing > Radial and thrust > Spherical
Description: Subject matter wherein a relatively rotating element has at least a portion of the bearing surface concaved, or ball shaped.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7425097 |
Inertial measurement unit with wireless power transfer gap control |
Sep. 16, 2008 |
| 7382070 |
Spherical bearing, electric motor and circulation pump |
Jun. 3, 2008 |
| 7125169 |
Hydrodynamic pivot bearing |
Oct. 24, 2006 |
| 7090401 |
Grooving pattern for grooved fluid bearing |
Aug. 15, 2006 |
| 6609829 |
Hydrodynamic bearing for motor |
Aug. 26, 2003 |
| 6561086 |
Automatic aligning pressing apparatus |
May. 13, 2003 |
| 6024492 |
Hemispherical bearing apparatus |
Feb. 15, 2000 |
| 5980113 |
Asymmetric sealing means for fluid dynamic bearings |
Nov. 9, 1999 |
| 5971615 |
Hemispheric bearing apparatus for preventing deformation of hemisphere |
Oct. 26, 1999 |
| 5957587 |
Air dynamic bearing |
Sep. 28, 1999 |
| 5957588 |
Air bearing for a spindle |
Sep. 28, 1999 |
| 5952752 |
Hemispherical dynamic pressure bearing |
Sep. 14, 1999 |
| 5938342 |
Semi-spherical bearing |
Aug. 17, 1999 |
| 5934810 |
Hemispheric fluid bearing apparatus |
Aug. 10, 1999 |
| 5898247 |
Electric motor having a spherical bearing |
Apr. 27, 1999 |
| 5883453 |
Hemispherical dynamic pressure bearing |
Mar. 16, 1999 |
| 5854524 |
Motor with semi-spherical bearing |
Dec. 29, 1998 |
| 5848844 |
Fluid bearing |
Dec. 15, 1998 |
| 5822152 |
Ultra-slim disk storage unit with an enclosed circuit board and a hydrodynamic bearing assembly which forms a stable meniscus |
Oct. 13, 1998 |
| 5801464 |
Pressurized air-ionization ground for an air bearing spindle |
Sep. 1, 1998 |
| 5789839 |
Aerostatic and aerodynamic bearing for a motor |
Aug. 4, 1998 |
| 5760509 |
Spindle motor using an air bearing |
Jun. 2, 1998 |
| 5709480 |
Hemispherical fluid bearing |
Jan. 20, 1998 |
| 5707718 |
Porous-plastic bearing and method of manufacturing porous-plastic bearing |
Jan. 13, 1998 |
| 5642943 |
Self-aligning air bearing for use with servo-track writer |
Jul. 1, 1997 |
| 5518319 |
Non-linear hydrodynamic bearing |
May. 21, 1996 |
| 5488523 |
Ultra-slim disk storage unit having a hydrodynamic bearing assembly which forms a stable meniscus |
Jan. 30, 1996 |
| 5485891 |
Cone drill bit |
Jan. 23, 1996 |
| 5449235 |
Self-aligning rotor-hydrostatic bearing system |
Sep. 12, 1995 |
| 5328271 |
Hydrodynamic spindle bearing for ultra-slim disk storage unit |
Jul. 12, 1994 |
| 5284391 |
Apparatus for adjustment of a hydrodynamic spindle bearing assembly |
Feb. 8, 1994 |
| 5172981 |
Hydrostatic bearing apparatus |
Dec. 22, 1992 |
| 5137372 |
Spherical fluid bearing apparatus |
Aug. 11, 1992 |
| 5073036 |
Hydrostatic bearing for axial/radial support |
Dec. 17, 1991 |
| 5014581 |
Apparatus for machining |
May. 14, 1991 |
| 4856918 |
Bearing device |
Aug. 15, 1989 |
| 4805474 |
Structure for supporting governor shaft of automatic transmission |
Feb. 21, 1989 |
| 4798476 |
Dynamic pressure type fluid bearing |
Jan. 17, 1989 |
| 4730989 |
Rotodynamic pump with spherical bearing |
Mar. 15, 1988 |
| 4728201 |
Low velocity energized gas particle bearing |
Mar. 1, 1988 |
| H174 |
High spin compound air bearing |
Dec. 2, 1986 |
| 4547081 |
Dynamic pressure type fluid bearing |
Oct. 15, 1985 |
| 4318572 |
Tension-compression swivel joint with hydraulic force reaction |
Mar. 9, 1982 |
| 4141603 |
Rotation-insensitive spiral groove bearing |
Feb. 27, 1979 |
| 4135771 |
Spherical end bearing having two or more zones of hydrodynamically acting grooves |
Jan. 23, 1979 |
| 4116500 |
Elongated machine element spherical end |
Sep. 26, 1978 |
| 4093320 |
Grooved spherical bearing for vertical machines |
Jun. 6, 1978 |
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