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1. 发明专利

JP2010151175A Resin boot for constant velocity joint 有权
标题翻译：树脂启动用于恒定速度接头
公开(公告)号：JP2010151175A
公开(公告)日：2010-07-08
申请号：JP2008327991
申请日：2008-12-24
申请人： Fukoku Co Ltd , 株式会社フコク
发明人： OKAMOTO YASUYOSHI , WATANABE HIDEAKI , SAWADA MAKOTO , AMANUMA TAKESHI
IPC分类号： F16D3/84 , F16J3/04 , F16J15/52
摘要： PROBLEM TO BE SOLVED: To provide a resin boot for a constant velocity joint, securing sealing performance without separately incorporating a seal member, maintaining stable sealing performance for a long term and maintaining sufficient sealing performance even when using a low-priced fastening member.
SOLUTION: The resin boot for the constant velocity joint includes a first annular end P1 fixed to a shaft part 2a of the constant velocity joint 2, a second annular end P3 fixed to a housing 2b of the constant velocity joint and an annular bellows P2 formed between the first end and the second end and has a first fastening part 6a for installing the ring-shaped fastening member to an outer periphery of the first end, and the first end is fixed to the shaft part of the constant velocity joint with the first fastening part fastened by the fastening member 4a. An elastic layer 22a for closely contacting with an outer peripheral surface 2s of the shaft part is integrally provided on an inner peripheral surface as of the first fastening part along a circumferential direction and the elastic layer is set to have a lower hardness than the first end.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供用于等速万向节的树脂护套，在没有单独地结合密封构件的情况下确保密封性能，长期保持稳定的密封性能并且即使使用低价紧固件也能保持足够的密封性能会员。解决方案：用于等速万向节的树脂罩包括固定到等速万向节2的轴部2a的第一环形端P1，固定到等速万向节的壳体2b的第二环形端P3和环形波纹管P2形成在第一端和第二端之间，并且具有用于将环形紧固构件安装到第一端的外周的第一紧固部6a，并且第一端固定到等速万向节的轴部其中第一紧固部分由紧固构件4a紧固。与轴部的外周面2s紧密接触的弹性层22a一体地设置在沿着周向的第一紧固部的内周面上，弹性层的硬度比第一端。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2004211815A Resin boot for constant velocity joint, and its manufacturing method 有权
公开(公告)号：JP2004211815A
公开(公告)日：2004-07-29
申请号：JP2002383652
申请日：2002-12-27
申请人： Fukoku Co Ltd , 株式会社フコク
发明人： YAMADA TATSUO , AMANUMA TAKESHI
IPC分类号： F16J15/52 , B29C49/20 , B29C51/16 , B29L31/26 , F16D3/84 , F16J3/04
CPC分类号： B29C51/162 , B29C2049/2008 , B29L2031/703
摘要： PROBLEM TO BE SOLVED: To provide a resin boot for a constant velocity joint capable of being adapted to an outer case having the deformed outer peripheral shape.
SOLUTION: This resin boot for the constant velocity joint is composed of a large diameter-side mounting part 17 at one axial end side, mounted on an outer periphery of the outer case having a deformed outer peripheral face, a small-diameter side mounting part 2 mounted on a shaft connected to a bending mechanism mounted in the outer case, and a bellows part 4 between the both mounting parts. In the large diameter-side mounting part 17, a grommet 16 having the noncircular shape corresponding to the outer case outer periphery on its inner periphery, is joined and integrated with an inner peripheral face of a large diameter-side mounting base part 15 having an approximately circular inner periphery. The resin boot is composed of the large diameter-side mounting part 17 at one axial end side, mounted on the outer periphery of the outer case having the deformed outer peripheral face, the small diameter-side mounting part 2 mounted on the shaft connected to the bending mechanism mounted in the outer case, and the bellows part 4 between the both mounting parts.
COPYRIGHT: (C)2004,JPO&NCIPI

3. 发明专利

JP2010133487A Sealing structure 有权
标题翻译：密封结构
公开(公告)号：JP2010133487A
公开(公告)日：2010-06-17
申请号：JP2008309797
申请日：2008-12-04
申请人： Fukoku Co Ltd , 株式会社フコク
发明人： SUEOKA KAZUHIKO , AMANUMA TAKESHI
IPC分类号： F16D3/84 , F16J3/04 , F16J15/52
CPC分类号： F16J3/042 , F16D3/845
摘要： PROBLEM TO BE SOLVED: To provide a sealing structure simply enhancing at a low cost the sealing performance between a resin boot and a shaft or outer case of a constant velocity joint even in the atmosphere where the temperature goes high and low repeatedly, and maintaining the sealing performance for a long period of time. SOLUTION: The sealing structure is formed between the minor diametric end P1 of the boot 4 and the shaft 2a of the constant velocity joint 2 in the condition that the end P1 is fastened to the shaft 2a by a fastening member 6, wherein the minor diametric end is furnished with a projecting seal 10 continued along the internal surface Ps of the region to be fastened by the fastening member and protruded toward the center, while at lease one of the internal surface of the minor diametric end and the peripheral surface of the shaft is provided with an accommodation space 12 where the projecting seal is accommodated while being curved due to elastic deformation in the condition that the minor diametric end is fastened to the shaft, and the projecting seal in the accommodation space is elastically deformable owing to a thermal expansion or contraction while being in pressure contact with the shaft. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种密封结构，即使在温度变高和低重复的气氛中，也可以以较低的成本简单地提高树脂护套与恒定速度接头的轴或外壳之间的密封性能，并长时间保持密封性能。解决方案：在端部P1通过紧固构件6紧固到轴2a的状态下，密封结构形成在套筒4的小直径端部P1和等速接头2的轴2a之间，其中小直径端部具有突出的密封件10，该突出密封件10沿着要由紧固构件紧固的区域的内表面Ps连续并且朝向中心突出，同时至少一个小直径端的内表面和外周表面轴上设置有容纳空间12，其中突出的密封件在微小直径端紧固到轴的情况下由于弹性变形而弯曲，并且容纳空间中的突出密封件由于在与轴压力接触的同时发生热膨胀或收缩。版权所有（C）2010，JPO＆INPIT

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