ROLLER TYPE TRANSMISSION DEVICE
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United States of America Patent
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N/A
Issued Date -
Dec 29, 2011
app pub date -
Sep 9, 2010
filing date -
Jun 25, 2010
priority date (Note) -
Abandoned
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Abstract
In a roller type transmission device 1, an array 11 of transmission pin rollers is press fit circularly into an inner side surface 10a of a stationary ring 10, and an array 18 of controllable pin rollers is press fit circularly into an inner side surface 13c of a rotational ring 13. To pin rollers 11a, 18a, employed are high precision cylindrical rollers or needle rollers which are usually used for a roller bearing or the like. Such is the structure that the array 11 of transmission pin rollers and the array 18 of controllable pin rollers work as inner teeth to make a backlash phenomenon minimum, rendering a pitch distance precise between the pin rollers, maintaining a uniform tooth profile with a high precision, equalizing a surface roughness and improving a meshing precision between the pin rollers 11a, 18a and the teeth 7a, 8a.
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