US Patent Class 475
PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS-- Main Headings




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Current as of: June, 1999
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CLASS NOTES
1  DF  INPUT FROM INDEPENDENT POWER SOURCES {8}
11  DF  ROTARY PLANETATING OUTPUT
12  DF  REVERSAL OF DIRECTION OF POWER FLOW CHANGES POWER TRANSMISSION TO ALTERNATE PATH {1}
14  DF  CYCLICAL OR INTERMITTENT DRIVE {3}
18  DF  STEERING BY DRIVING {6}
31  DF  FLUID DRIVE OR CONTROL OF PLANETARY GEARING {11}
149  DF  ELECTRIC OR MAGNETIC DRIVE OR CONTROL {4}
158  DF  WITH INDICATOR OR ALARM
159  DF  WITH LUBRICATON {1}
161  DF  WITH TRANSMISSION COOLING OR HEATING MEANS
162  DF  PLANET PERIPHERY SURROUNDS AXIS OF INTERACTING GEAR (E.G., ECCENTRICALLY DRIVEN TRANSMISSON) {11}
182  DF  PLANET PINION ENGAGES FLEXIBLE BELT OR CHAIN
183  DF  PLANET PINION IS FRICTION GEAR {5}
198  DF  VARIABLE SPEED OR DIRECTION TRANSMISSION COMBINED WITH DIFFERENTIAL {7}
207  DF  NONPLANETARY VARIABLE SPEED OR DIRECTION TRANSMISSION COMBINED WITH PLANETARY TRANSMISSION {6}
220  DF  DIFFERENTIAL PLANETARY GEARING {8}
254  DF  CONDITION RESPONSIVE CONTROL {7}
269  DF  WITH MEANS TO VARY DRIVE RATIO OR DISCONNECT DRIVE (E.G., BRAKE OR CLUTCH) {16}
329  DF  PLURAL POWER PATHS TO PLANETARY GEARING {1}
331  DF  PLANETARY GEARING OR ELEMENT {12}
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CROSS-REFERENCE ART COLLECTIONS
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900  DF  BRAKE FOR INPUT OR OUTPUT SHAFT
901  DF  PARTICULAR MATERIAL {1}
903  DF  STACKED PLANETARY GEARING
904  DF  PARTICULAR MATHEMATICAL EQUATION