发明名称 |
PISTON BEARING STRUCTURE FOR FLUID PRESSURE CYLINDER |
摘要 |
A piston bearing structure for a fluid pressure cylinder includes one seal ring which is housed in a housing groove of a piston and is held in sliding contact with a cylinder tube and two backup wear rings which is housed in a housing groove of a piston, is held in sliding contact with a cylinder tube and sandwiches the seal ring. The backup wear ring includes a pressure relief groove which faces the housing groove and extends over the backup ring portion and the wear ring portion, and the pressure relief groove allows opposite sides of the backup wear ring to communicate between the piston and the cylinder tube. |
申请公布号 |
KR20130031350(A) |
申请公布日期 |
2013.03.28 |
申请号 |
KR20137001636 |
申请日期 |
2012.02.24 |
申请人 |
KAYABA INDUSTRY CO., LTD. |
发明人 |
SUEYOSHI DAISUKE;EMOTO HIROYUKI;IMAHORI TOMOKO;SAITA SHUSAKU |
分类号 |
F15B15/14;F16J15/18;F16J15/32 |
主分类号 |
F15B15/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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