Endless belt power transmission systems or components – Pulley with belt-receiving groove formed by drive faces on... – Speed responsive
Patent
1996-03-01
1998-03-10
Graysay, Tamara L.
Endless belt power transmission systems or components
Pulley with belt-receiving groove formed by drive faces on...
Speed responsive
474 12, 474 11, 474 8, 474 17, F16H 5914, F16H 5936
Patent
active
057254460
ABSTRACT:
A belt-type automatic transmission wherein the engine brake can automatically work when a vehicle runs on a downward slope, comprising a pair of sheaves 21 provided on a driving shaft 20, the pair of sheaves 21 having a fixed sheave 22 and a movable sheave 23 which is caused to approach the fixed sheave 22 by the force which is increased with a revolution speed, a pair of sheaves 31 provided on a driven shaft 30, the pair of sheaves 31 having a fixed sheave 32 and a movable sheave 33 which is caused to approach the fixed sheave 32 by elastic force, a V belt 28 mounted around the pairs of sheaves 21 and 31, wherein the maximum opening between the sheaves 21 on the driving shaft 20 is restricted so as not to loosen the V belt 28, a clutch 15 for starting movement provided between an engine 1 and the driving shaft 20, and shift-up prevention means 40 for automatically giving the force for the movable sheave 33 to approach the fixed sheave 32 when revolving torque is transmitted from the driven shaft 30 to the pair of sheaves 31 on the driven shaft 30.
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Kaku Hidetoshi
Takano Kiyohito
Graysay Tamara L.
Hartmann Gary S.
Kawasaki Jukogyo Kabushiki Kaisha
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