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2. 发明专利

JPS57120753A Belt tensioner 失效
标题翻译：皮带张力器
公开(公告)号：JPS57120753A
公开(公告)日：1982-07-27
申请号：JP19168281
申请日：1981-12-01
申请人： Nippon Seiko Kk
发明人： OOKUBO KENJI , NIIKURA AKIO
IPC分类号： F16C13/00 , F16H7/08 , F16H7/12
CPC分类号： F16H7/1281 , F16C13/006 , F16H2007/0865 , F16H2007/088
摘要： PURPOSE:To obtain a pulley manufacturable by press machining and having light weight by providing a position fixing hole and a regulating part on the closed side of an inside fixing part to support an outside rotary part through a bearing. CONSTITUTION:A cup shape of a hollow shaft 9 with a bottom 9a and a cylinder 9b is pressed in and fixed to the inner ring's inside diameter portion 7 of a bearing 1, and a cup shape of an auxiliary shaft 12 with a bottom 2a and a cylinder 12b is pressed into the outside diameter portion 11 on the opening end side of the hollow shaft 9. In order to fix a pulley to a bracket 22 through a bolt 24, an eccentric hole 19 and a fitting hole 20 each coninciding the other at their axial directions are provided at the bottoms 9a and 12a. Also, at the bottom 9a, a hexagonal tension regulating part in the form of a hole 21 is provided on the opposite side to the eccentric hole 19, where the shaft is centered.
摘要翻译：目的：为了获得通过冲压加工制造的滑轮，并且通过在内侧固定部分的封闭侧设置位置固定孔和调节部，通过轴承来支撑外部旋转部件，从而具有重量轻。构成：具有底部9a和气缸9b的空心轴9的杯形被压入并固定到轴承1的内圈的内径部分7，并且具有底部2a的辅助轴12的杯形，以及将圆筒12b压入中空轴9的开口端侧的外径部分11.为了通过螺栓24将滑轮固定到支架22，偏心孔19和装配孔20各自衔接在它们的轴向方向设置在底部9a和12a处。此外，在底部9a处，在轴线对中的偏心孔19的相对侧设置有孔21形式的六角形张力调节部。

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