Differential gear

F - Mech Eng,Light,Heat,Weapons – 16 – H

Patent

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Details

F16H 48/20 (2006.01) F16H 48/06 (2006.01) F16H 48/08 (2006.01) F16H 48/22 (2006.01)

Patent

CA 2273780

A differential gear which can always obtain a stable differential limiting force even in low-speed rotation. A plurality of rollers are provided between a raceway surface integrally rotating with an input-side rotating body and a raceway surface integrally rotating with an output-side rotating body. A tilt angle of the axes of rolling of the rollers with respect to the axis of rotation of the raceway surfaces is made smaller than 20°, and a tilt angle of the axes of rolling of the rollers with respect to a plane including the axis of rotation of the raceway surfaces is made larger than 25° and smaller than 90°. Thereby, a stable frictional force can be produced between the rollers and the raceway surfaces, and a differential limiting force without producing a stick-slip even in low-speed rotation can be obtained.

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