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Class Information
Number: 384/520
Name: Bearings > Rotary bearing > Antifriction bearing > Radial bearing > Ball bearing > Discrete spacing member
Description: Subject matter wherein balls are maintained a determined distance apart in a race by a discrete element that is not connected from one ball to another.










Sub-classes under this class:

Class Number Class Name Patents
384/521 Ball spacer 22
384/522 Roller spacer 7


Patents under this class:

Patent Number Title Of Patent Date Issued
8624455 Electrical motor having rotor support shield Jan. 7, 2014
8345386 Bearing device and information recording and reproducing apparatus Jan. 1, 2013
8267586 Rolling element accommodating belt for linear guide apparatus, linear guide apparatus and metallic mold for manufacturing rolling element accommodating belt Sep. 18, 2012
8221003 Bearing unit and pivot device Jul. 17, 2012
8215845 Tandem stack angular contact bearing for rotary wing aircraft Jul. 10, 2012
8021053 Rotary wing aircraft ball bearing Sep. 20, 2011
8015894 Intelligent transmission element Sep. 13, 2011
7963702 Roller bearing Jun. 21, 2011
7837391 Bearing retainer unit and electric motor furnished therewith Nov. 23, 2010
7493837 Partition room and spacer ball for ball screw unit Feb. 24, 2009
7458722 Magnetic spacer Dec. 2, 2008
7444747 Roller mount arrangement Nov. 4, 2008
7380334 Device for pre-stressing a wheel bearing Jun. 3, 2008
7159484 Linear motion device Jan. 9, 2007
7044016 Ball screw May. 16, 2006
7036391 Differential unit May. 2, 2006
6955468 Linear-motion device and ball screw Oct. 18, 2005
6892596 Rolling element interference preventer and a guide device May. 17, 2005
6821604 Retaining piece structure Nov. 23, 2004
6794015 Retaining piece structure Sep. 21, 2004
6699568 Retaining piece structure Mar. 2, 2004
6692814 Retaining piece structure Feb. 17, 2004
6565947 Retaining piece structure May. 20, 2003
6513978 Rolling element spacers for rolling guide units Feb. 4, 2003
6431760 Angular type ball bearing and shaft support structure with the same Aug. 13, 2002
6419397 Housed steering column Jul. 16, 2002
6415676 Ball screw device having spacers Jul. 9, 2002
6352367 Spacer for liner motion apparatus and liner motion apparatus provided with spacer Mar. 5, 2002
6260681 Free-wheel hub transmission mechanism Jul. 17, 2001
6149307 Relatively movable unit with rolling elements Nov. 21, 2000
6129454 Compound bearing assembly and method and manufacturing the same Oct. 10, 2000
6033120 Compound bearing assembly for swing arm of hand disc drive Mar. 7, 2000
6012226 Compound bearing assembly and method of manufacturing the same Jan. 11, 2000
6000855 Outer ring spacer for double row rolling bearing unit Dec. 14, 1999
5927858 Linear motion rolling guide unit Jul. 27, 1999
5808388 Electric drive motor with a compound bearing assembly Sep. 15, 1998
5800069 Compound bearing assembly Sep. 1, 1998
5785432 Outer ring spacer for double row rolling bearing unit Jul. 28, 1998
5655846 Bearing assembly and method of manufacturing the same Aug. 12, 1997
5356227 Solid-lubricated bearing assembly Oct. 18, 1994
4761820 Elastic spacer for ball bearings Aug. 2, 1988
4588313 Four-point contact bearing May. 13, 1986
4505523 Prestressed rolling bearing device Mar. 19, 1985
4401349 Bearing assemblies for spindles Aug. 30, 1983
4277117 Internally reinforced ball bearing spacer Jul. 7, 1981
4215907 Ball-bearing arrangements Aug. 5, 1980
4175805 One-piece intermediate member for anti-friction bearings Nov. 27, 1979
4138170 Cageless ball or roller bearing Feb. 6, 1979
4022516 Bearing spacer and method May. 10, 1977











 
 
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