PROBLEM TO BE SOLVED: To provide a power steering device that can achieve the smooth movement of a ball in a connection member that circulates the ball and a manufacturing method for a power steering device.SOLUTION: A first curved surface portion of a first connection passage for a nut opposing to a first bent portion of a connection member is formed in a curved surface shape so that a space between the first bent portion and the first curved surface portion is equal to a predetermined size or less. Further, a second curved surface portion of a second connection passage for the nut opposing to a second bent portion of the connection member is formed in the curved surface shape so that a space between the second bent portion and the second curved surface portion is equal to a predetermined size or less.
【課題】 ボールを循環させる接続部材内でのボールの移動をスムーズにすることができるパワーステアリング装置およびパワーステアリング装置の製造方法を提供すること。【解決手段】 接続部材の第一湾曲部と対向するナットの第一接続通路の第一曲面部を、第一湾曲部との間の隙間が所定値以下となるように曲面状に形成するようにした。また、接続部材の第二湾曲部と対向するナットの第二接続通路の第二曲面部を、第二湾曲部との間の隙間が所定値以下となるように曲面状に形成するようにした。【選択図】 図11
POWER STEERING DEVICE AND MANUFACTURING METHOD FOR POWER STEERING DEVICE
パワーステアリング装置およびパワーステアリング装置の製造方法
2015-09-07
Patent
Electronic Resource
Japanese
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