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Class Information
Number: 192/84.5
Name: Clutches and power-stop control > Clutches > Operators > Electric or magnetic > Air gap adjustment
Description: Subject matter, wherein structure is provided to set to a predetermined value a distance between elements of opposite magnetic polarities when the clutch parts are in a disengaged condition.

Sub-classes under this class:

Class Number Class Name Patents
192/84.51 Automatic 7

Patents under this class:

Patent Number Title Of Patent Date Issued
8690687 Magnetic coupling assembly with an actively air gap adjustable mechanism Apr. 8, 2014
8393451 Rotational coupling device with wear compensation structure Mar. 12, 2013
8123012 Rotational coupling device with wear compensation structure Feb. 28, 2012
6851535 Driving force transmission device and method of regulating it Feb. 8, 2005
6762523 Continuously variable electromagnetic transmission Jul. 13, 2004
6682430 Adjustable magnetic coupler Jan. 27, 2004
6644450 Safety clutch for electrical hand-held tool Nov. 11, 2003
6337527 Self unloading magnetic coupler Jan. 8, 2002
6155386 Spring-actuated electromagnetic brake with noise suppressing device Dec. 5, 2000
6005317 Adjustable magnetic coupler Dec. 21, 1999
5141090 Electromagnetic clutch Aug. 25, 1992
5057728 Three step electric brake Oct. 15, 1991
5036964 Armature assembly for an electromagnetic coupling Aug. 6, 1991
4643282 Motor having an electromagnetically actuated friction clutch and friction brake Feb. 17, 1987
4601371 Alternating current clutch Jul. 22, 1986
4567972 Clutch wear detector, adjustment and indicator system Feb. 4, 1986
4524854 Adjustable air gap and method for electromagnetic clutch Jun. 25, 1985
4416359 Electromagnetic cone clutch with ball torque booster Nov. 22, 1983
4290514 Clutch protection device Sep. 22, 1981

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