US Patent Class 475-- PLANETARY GEAR TRANSMISSION SYSTEMS OR COMPONENTS-- MAIN HEADINGS

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

		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