SHAFT FOR STEERING DEVICE, METHOD OF MANUFACTURING SHAFT FOR STEERING DEVICE, AND ELECTRIC POWER STEERING DEVICE
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Feb 27, 2020
app pub date -
Jun 22, 2017
filing date -
Jun 22, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A shaft for a steering device has a first portion, a second portion, and a third portion that is a shaft integrated with the first portion and the second portion and couples the first portion and the second portion in a first direction. The outer diameter of the third portion is smaller than the length of the second portion in a second direction intersecting with the first direction, and is constant across a direction extending along the first direction. The hardness of the third portion is greater than the hardness of the second portion, and is constant across the direction extending along the first direction.
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