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Class Information
Number: 74/665K
Name: Machine element or mechanism > Gearing > Plural power paths to and/or from gearing > Single drive plural driven > Concentric

Patents under this class:

Patent Number Title Of Patent Date Issued
6585618 Remote control toy car control system Jul. 1, 2003
6443035 Hybrid power input quill for transmissions Sep. 3, 2002
6164812 Electric food processor having at least three mutually concentric output drives Dec. 26, 2000
5832778 Drive system for motorized machines Nov. 10, 1998
5724867 Airboat transmission Mar. 10, 1998
5607266 Speed reducer assembly Mar. 4, 1997
5391124 Power transmission for driving an output shaft of a steerable housing having a differential with compensation for steering torques Feb. 21, 1995
5247856 Gear transmission between an input shaft and two contrarotating concentric output shafts Sep. 28, 1993
4964315 Transmission having dual counterrotating output shafts Oct. 23, 1990
4955561 Cogwheel drive mechanism for aircraft Sep. 11, 1990
4795382 Marine drive lower unit with thrust bearing rotation control Jan. 3, 1989
4792314 Marine drive with floating spider differential assembly Dec. 20, 1988
4641551 Apparatus for translating rotational motion and torque Feb. 10, 1987
4476736 Transmission for a laundry machine Oct. 16, 1984
4289042 Vibrator with eccentric weights Sep. 15, 1981
4236416 Power transmission Dec. 2, 1980
4216925 Helicopter of the type having two coaxial counterrotating rotors with a drive mechanism interposed between the power plant and the rotors Aug. 12, 1980
4208923 Drive mechanism for a four-wheel-driving tractor Jun. 24, 1980
4186624 Sequential drive mechanism Feb. 5, 1980
4154126 Compact gear assembly May. 15, 1979
4132131 Free-floating planetary transmission with contra-rotating dual output shafts Jan. 2, 1979
4054065 Multiple axle drive mechanism Oct. 18, 1977
4016777 Ship reduction gear for contrarotating screws Apr. 12, 1977
3988950 Frictional gearing apparatus Nov. 2, 1976

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