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Class Information
Number: 74/425
Name: Machine element or mechanism > Gearing > Directly cooperating gears > Spiral > Worm
Description: Gearing of the worm type.










Sub-classes under this class:

Class Number Class Name Patents
74/427 Distribution of pressure 41
74/426 Intermittent motion 13
74/425.5 Variable speed 10


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8677848 Speed reduction device for power seat Mar. 25, 2014
8646350 Actuator, in particular for a motor vehicle Feb. 11, 2014
8646351 Helical gearing for a steering system of a motor vehicle Feb. 11, 2014
8640661 Continuous variable valve timing apparatus Feb. 4, 2014
8627745 Motor with speed reduction mechanism Jan. 14, 2014
8621958 Drive device Jan. 7, 2014
8616080 Shuttle stop force limiter Dec. 31, 2013
8590412 Driving apparatus with a vibration limiter for worm gear Nov. 26, 2013
8573091 Compliant mechanism Nov. 5, 2013
8577527 Drive control device for a vehicle Nov. 5, 2013
8555742 Gearbox for adjustment devices, especially in motor vehicles Oct. 15, 2013
8549945 Reducer of electronic power steering apparatus Oct. 8, 2013
8539849 Bearing system for a worm in a steering gear Sep. 24, 2013
8511194 Transmission drive unit Aug. 20, 2013
8508170 Drive device Aug. 13, 2013
8505412 Gear housing for motor and motor Aug. 13, 2013
8490508 Folding-top drive Jul. 23, 2013
8485489 Longitudinal adjustment mechanism for seats Jul. 16, 2013
8485058 Electric motor-driven kitchen appliance provided with a bayonet lock for an electric motor and a gear stage and method for assembling said electric motor-driven kitchen appliance Jul. 16, 2013
RE44366 Lift drive device Jul. 16, 2013
8473160 Device for detecting steering operation force Jun. 25, 2013
8443949 Mechanical actuator cartridge for a motor vehicle brake May. 21, 2013
8443690 Speed reduction device for power seat May. 21, 2013
8402857 Fast clutch mechanism for industrial door Mar. 26, 2013
8394062 Floating gearbox apparatus and method Mar. 12, 2013
8381819 Rotation mechanism Feb. 26, 2013
8365630 Transmission drive unit with a zero axial backlash bearing fastening, in particular for adjusting a movable part in a motor vehicle Feb. 5, 2013
8348002 Slewing ring drive Jan. 8, 2013
8336412 Electric power steering apparatus Dec. 25, 2012
8322934 Camera device and drive mechanism Dec. 4, 2012
8316840 Shape memory alloy motor Nov. 27, 2012
8307818 Shape memory alloy motor Nov. 13, 2012
8294311 Electric motor and electric power steering apparatus Oct. 23, 2012
8286524 Motor assembly Oct. 16, 2012
8267119 Valve for controlling volumetric flows Sep. 18, 2012
8261628 Electromechanical driving device for use in a tailgate of a motor vehicle Sep. 11, 2012
8256317 Transmission device and power seat slide device for vehicle Sep. 4, 2012
8250940 System and method for controlling contact between members in operable communication Aug. 28, 2012
8234948 Transmission Aug. 7, 2012
8234745 Motor device and wiper apparatus Aug. 7, 2012
8205517 Motor-driven actuator Jun. 26, 2012
8191271 Geodetic apparatus Jun. 5, 2012
8191438 Camera device and drive mechanism Jun. 5, 2012
8191442 Window lift system and actuator including an internal drive train disconnect Jun. 5, 2012
8176806 Two-axle drive system May. 15, 2012
8171823 Power seat driving apparatus for vehicle May. 8, 2012
8171597 Wiper motor and wiper apparatus May. 8, 2012
8151663 Gear arrangement Apr. 10, 2012
8133146 Gear train with split torque Mar. 13, 2012
8117937 Automobile door-lock drive device Feb. 21, 2012

1 2 3 4 5 6 7 8 9 10 11










 
 
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