发明授权
- 专利标题： Sealing cup for hydraulic piston-cylinder device
- 专利标题（中）： 液压活塞缸装置密封杯
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申请号： US213454申请日： 1980-12-05
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公开(公告)号： US4345771A公开(公告)日： 1982-08-24
- 发明人: Junzo Hasegawa , Masatoshi Yamada , Kaoru Nakamura , Eiichi Yasuda
- 申请人： Junzo Hasegawa , Masatoshi Yamada , Kaoru Nakamura , Eiichi Yasuda
- 申请人地址： JPX Kariya JPX Nagoya JPX Toyota
- 专利权人： Aisin Seiki Kabushiki Kaisha,Kabushiki Kaisha Toyota Chuo Kenkyusho,Toyota Jidosha Kogyo Kabushiki Kaisha
- 当前专利权人： Aisin Seiki Kabushiki Kaisha,Kabushiki Kaisha Toyota Chuo Kenkyusho,Toyota Jidosha Kogyo Kabushiki Kaisha
- 当前专利权人地址： JPX Kariya JPX Nagoya JPX Toyota
- 优先权： JPX52-85385 19770715
- 主分类号： B60T11/16
- IPC分类号： B60T11/16 ; F16J9/20 ; F16J15/32
摘要：
In a sealing or piston cup for maintaining lubricating oil on a sealing surface, the sealing surface thereof is formed with a circumferentially extending angular recess or groove which functions to retain lubricating oil. The sealing cup with the recess can ensure a smooth and stable operation of the device.
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