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公开(公告)号：US09889877B2
公开(公告)日：2018-02-13
申请号：US14866306
申请日：2015-09-25
申请人： Showa Corporation
IPC分类号： B62D5/04 , F16H57/039 , F16H55/28
摘要： A housing structure includes: a first housing having a fitting inner tubular portion that has an inner tubular end surface and a first bolt fastening portion that has a first bolt aligning surface formed at a position away from the inner tubular end surface in the radial direction, the first housing supporting a first end of an assist shaft via a first bearing; and a second housing having a fitting outer tubular portion having an outer tubular end surface and a second bolt fastening portion that has a second bolt aligning surface that mates with the first bolt aligning surface, the second housing supporting a second end of the assist shaft via a second bearing. A first gap is provided between the inner tubular end surface and an inner tubular opposite surface, and a second gap is provided between the outer tubular end surface and an outer tubular opposite surface.
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公开(公告)号：US09279450B2
公开(公告)日：2016-03-08
申请号：US14444507
申请日：2014-07-28
申请人： Showa Corporation
CPC分类号： F16C27/063 , B62D3/12 , F16C29/002 , F16C29/02 , F16C33/20 , F16C35/02 , F16C2208/00 , F16C2226/50 , F16C2326/24 , F16C2361/61 , F16H19/04
摘要： A structure of a bush bearing includes: a bush on which a groove is formed; and an endless annular-shaped elastic member which is installed in the groove of the bush, and that supports a rack shaft, in which an inner circumferential surface of the bush includes a first inner circumferential surface that is in slide contact with an outer circumferential surface of the rack shaft, which is positioned opposite to a formation position of rack teeth, a second inner circumferential surface that faces the outer circumferential surface of the rack shaft with a gap interposed between the outer circumferential surface and the second inner circumferential surface, and the groove formed in a formation range of the first inner circumferential surface has a depth shallower than that of the groove formed in a formation range of the second inner circumferential surface.
摘要翻译： 衬套轴承的结构包括：衬套，其上形成有槽; 以及环状的环状弹性部件，其安装在所述衬套的槽中，并且支撑所述衬套的内周面的齿条轴，所述齿条轴具有与外周面滑动接触的第一内周面 所述齿条轴与所述齿条齿的形成位置相对地设置有与所述齿条轴的外周面相对的第二内周面，所述第二内周面在所述外周面与所述第二内周面之间具有间隙， 形成在第一内周面的形成范围内的槽的深度比在第二内周面的形成范围内形成的槽的深度浅。
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公开(公告)号：US09926002B2
公开(公告)日：2018-03-27
申请号：US14866306
申请日：2015-09-25
申请人： Showa Corporation
IPC分类号： B62D5/04 , F16H57/039 , F16H55/28
CPC分类号： B62D5/0403 , B62D5/0421 , F16H55/283 , F16H57/039
摘要： A housing structure includes: a first housing having a fitting inner tubular portion that has an inner tubular end surface and a first bolt fastening portion that has a first bolt aligning surface formed at a position away from the inner tubular end surface in the radial direction, the first housing supporting a first end of an assist shaft via a first bearing; and a second housing having a fitting outer tubular portion having an outer tubular end surface and a second bolt fastening portion that has a second bolt aligning surface that mates with the first bolt aligning surface, the second housing supporting a second end of the assist shaft via a second bearing. A first gap is provided between the inner tubular end surface and an inner tubular opposite surface, and a second gap is provided between the outer tubular end surface and an outer tubular opposite surface.
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公开(公告)号：US20150204381A1
公开(公告)日：2015-07-23
申请号：US14444507
申请日：2014-07-28
申请人： Showa Corporation
CPC分类号： F16C27/063 , B62D3/12 , F16C29/002 , F16C29/02 , F16C33/20 , F16C35/02 , F16C2208/00 , F16C2226/50 , F16C2326/24 , F16C2361/61 , F16H19/04
摘要： A structure of a bush bearing includes: a bush on which a groove is formed; and an endless annular-shaped elastic member which is installed in the groove of the bush, and that supports a rack shaft, in which an inner circumferential surface of the bush includes a first inner circumferential surface that is in slide contact with an outer circumferential surface of the rack shaft, which is positioned opposite to a formation position of rack teeth, a second inner circumferential surface that faces the outer circumferential surface of the rack shaft with a gap interposed between the outer circumferential surface and the second inner circumferential surface, and the groove formed in a formation range of the first inner circumferential surface has a depth shallower than that of the groove formed in a formation range of the second inner circumferential surface.
摘要翻译： 衬套轴承的结构包括：衬套，其上形成有槽; 以及环状的环状弹性部件，其安装在所述衬套的槽中，并且支撑所述衬套的内周面的齿条轴，所述齿条轴具有与外周面滑动接触的第一内周面 所述齿条轴与所述齿条齿的形成位置相对地设置有与所述齿条轴的外周面相对的第二内周面，所述第二内周面在所述外周面与所述第二内周面之间具有间隙， 形成在第一内周面的形成范围内的槽的深度比在第二内周面的形成范围内形成的槽的深度浅。
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