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Class Information
Number: 74/414
Name: Machine element or mechanism > Gearing > Directly cooperating gears > Parallel axes or shafts > External type
Description: Gearing, in which all of the gears have external teeth.










Sub-classes under this class:

Class Number Class Name Patents
74/415 Pin teeth 27


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8656801 Drive transmission device and image forming apparatus including the same Feb. 25, 2014
8607656 Drive device for a tilt element of a motor vehicle Dec. 17, 2013
8549946 Elastic couple barring apparatus Oct. 8, 2013
8548357 Drive transmission system, driving device, and image forming apparatus incorporating drive transmission system Oct. 1, 2013
8503910 Drive device and image forming apparatus including same Aug. 6, 2013
8246415 Gear box for use in toy vehicles Aug. 21, 2012
7836785 Gear train Nov. 23, 2010
7762155 Partial tooth gear bearings Jul. 27, 2010
7753020 Gearwheel mechanism Jul. 13, 2010
7580324 Drive wheel for integration into a clock movement Aug. 25, 2009
7552662 Novolute geometry for power gears Jun. 30, 2009
7219579 Apparatus and method for actuating control surfaces May. 22, 2007
7191678 Electromotive adjustment device Mar. 20, 2007
7155992 Driving force transmission mechanism and damper apparatus equipped with driving force transmission mechanism Jan. 2, 2007
7076854 Method for the production of a shaft-hub connection Jul. 18, 2006
6988722 Paper pickup mechanism Jan. 24, 2006
6846258 Gas turbine power generation facility Jan. 25, 2005
6715376 Structure for transmitting power of a motorcycle engine, and a method for assembly of said structure Apr. 6, 2004
6666103 Torque transmission device Dec. 23, 2003
6658955 Gearwheel bearing in gearboxes Dec. 9, 2003
6655273 Rotary printing machine having a first gearwheel and a second gearwheel with a secured rotary angle position when uncoupled from the first gearwheel Dec. 2, 2003
6649947 Surface-micromachined rotatable member having a low-contact-area hub Nov. 18, 2003
6598496 System for driving vehicle accessories through an electro-mechanical interface Jul. 29, 2003
6487926 Lock plate transmission Dec. 3, 2002
6402969 Surface--micromachined rotatable member having a low-contact-area hub Jun. 11, 2002
6158297 Surface micromachined counter-meshing gears discrimination device Dec. 12, 2000
5647246 Reverse idler shaft and washer assembly Jul. 15, 1997
5463914 Multi-function energy saving power transmission mechanism Nov. 7, 1995
5376057 Multistage differential gear package Dec. 27, 1994
5247846 Quick disconnectable screw device Sep. 28, 1993
5245883 Integral type reduction mechanism for tape recorder Sep. 21, 1993
5228710 Gear transmission mechanism for a bicycle Jul. 20, 1993
5209134 Synchronous bidirectional gearing mechanism May. 11, 1993
5085093 Power splitting transmission Feb. 4, 1992
4911554 Rotatable drum Mar. 27, 1990
4858487 Device for transmission of movement by an outside gearing Aug. 22, 1989
4831897 Torsionally compliant gear for use in multiple load path transmissions May. 23, 1989
4736829 Centrifugal clutch for a locking actuator of a motor vehicle door latch Apr. 12, 1988
4641543 Intermediate shaft thrust balance Feb. 10, 1987
4441378 Gearbox drive for a speedometer Apr. 10, 1984
4369668 Axial thrust compensation system Jan. 25, 1983
4353429 Overdrive unit for automotive vehicle Oct. 12, 1982
4312244 Power gearing Jan. 26, 1982
4304057 Snow plow assembly including linear actuator Dec. 8, 1981
4281560 Speed reducer gear box with flywheel Aug. 4, 1981
4265142 Manual and power motivated drive means May. 5, 1981
4258583 Drive mechanism for rotary drum Mar. 31, 1981
4224836 Tilting drive arrangement for a converter Sep. 30, 1980
4224834 Mating spur gears Sep. 30, 1980
4223570 Power transmission for automotive vehicle Sep. 23, 1980

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