Class   476	FRICTION GEAR TRANSMISSION SYSTEMS OR COMPONENTS
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CONDITION RESPONSIVE RATIO CHANGE

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. (1 indent ) Fluid control

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.. (2 indent ) And electric or magnetic control

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. (1 indent ) Electric or magnetic control

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. (1 indent ) Centrifugal actuator

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RATIO CHANGE BY EXPANSION OR COMPRESSION OF FLEXIBLE FRICTION SURFACE

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WITH FRICTION ENHANCING FLUID

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WITH LUBRICATION

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FLUID CONTROL

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. (1 indent ) Of toroidal transmission

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ELECTRIC OR MAGNETIC CONTROL

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WITH INDICATOR OR ALARM

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CYCLICAL OUTPUT

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WITH TRANSMISSION COOLING OR HEATING MEANS

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FORWARD AND REVERSE

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. (1 indent ) Flexible belt in drive train

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.. (2 indent ) Drive in one direction by direct engagement of belt pulleys

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. (1 indent ) Variable speed in forward or reverse

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.. (2 indent ) With toothed gears in drive train

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.. (2 indent ) Stepped ratio change

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.. (2 indent ) Intermediate idler between input and output gears

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... (3 indent ) Idler between conoidal gears

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... (3 indent ) Idler between flat discs

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.. (2 indent ) Driving and driven gears on perpendicular axes

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. (1 indent ) Drive in forward direction by direct clutch

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. (1 indent ) Driving and driven gears on angularly related axes

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PLURAL GEARING IN SERIES

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. (1 indent ) Flexible belt in drive train

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.. (2 indent ) Friction gearing is ratio change gearing

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... (3 indent ) Friction gearing is stepless ratio change

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. (1 indent ) Plural friction gearing in series

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.. (2 indent ) Ratio change gearing and nonratio change gearing

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. (1 indent ) Friction gearing is ratio change gearing

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. (1 indent ) One gear is toothed bevel gear

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. (1 indent ) One gear is worm gear

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FRICTION GEAR IS BALL

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. (1 indent ) With condition responsive means to vary contact pressure

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. (1 indent ) Variable ratio

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FRICTION GEAR INCLUDES IDLER ENGAGING FACING CONCAVE SURFACES

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. (1 indent ) Toroidal

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.. (2 indent ) With condition responsive means to vary contact pressure

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.. (2 indent ) Plural toric cavities

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.. (2 indent ) Including threaded means to adjust idler

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.. (2 indent ) Including toothed gearing to adjust idler

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.. (2 indent ) Including spring means to bias friction surfaces into engagement

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.. (2 indent ) Idler supported by roller bearing

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STEPLESS RATIO CHANGE

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. (1 indent ) With condition responsive means to vary contact pressure

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. (1 indent ) Plural interdigitated disks on parallel axes

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. (1 indent ) Intermediate idler between driving and driven gears

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.. (2 indent ) Idler between conoidal gears

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... (3 indent ) Idler is ring

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.... (4 indent ) Rigid

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.. (2 indent ) Idler between flat disks

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. (1 indent ) Driving and driven gears on nonlinear angularly related axes

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.. (2 indent ) Perpendicular

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... (3 indent ) Disc and wheel

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.... (4 indent ) Disc on input shaft

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STEPPED RATIO CHANGE

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. (1 indent ) Stepped motor shaft

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CONDITION RESPONSIVE MEANS TO VARY CONTACT PRESSURE

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. (1 indent ) Centrifugal actuator

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. (1 indent ) Ball actuator

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FRICTION GEAR ON SHAFT OF MOVABLY MOUNTED MOTOR

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SPRING URGES CONTACTING GEARS INTO ENGAGEMENT

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. (1 indent ) Coil spring

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FRICTION TRANSMISSION OR ELEMENT

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. (1 indent ) Friction gears on nonlinear angularly related axes

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.. (2 indent ) Perpendicular axes

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. (1 indent ) Roller bearing between gear and support

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. (1 indent ) Flexible drive shaft

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. (1 indent ) Particular friction surface

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.. (2 indent ) Metallic

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