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Class Information
Number: 384/139
Name: Bearings > Rotary bearing > Plain bearing > With specified seal > Relatively rotatable radially contracting
Description: Subject matter wherein the seal comprises relatively rotatable elements presenting complementary sealing surfaces normal to, or at an oblique angle to the axis of rotation.

Sub-classes under this class:

Class Number Class Name Patents
384/142 Axially translatable member rotatable with shaft 5
384/141 Diaphragm 7
384/140 Flexible sealing member 25
384/143 Plural seals 9

Patents under this class:

Patent Number Title Of Patent Date Issued
7040453 Lubricant retention assembly May. 9, 2006
5683184 Thrust and cover washer, mounted on a rotor shaft, for a bearing of the rotor shaft Nov. 4, 1997
5385409 Non-contacting mechanical face seal of the gap-type Jan. 31, 1995
5377771 Sealed bearing assembly used in earth drilling Jan. 3, 1995
5246295 Non-contacting mechanical face seal of the gap-type Sep. 21, 1993
4729673 Add-on bearing protector Mar. 8, 1988
4217007 Device for the sealing and protection of a motor vehicle wheel bearing Aug. 12, 1980
4050987 Rotating plug bearing and seal Sep. 27, 1977

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