发明公开
- 专利标题: BEARING DEVICE
- 专利标题(中): LAGERVORRICHTUNG
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申请号: EP03794089.7申请日: 2003-08-21
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公开(公告)号: EP1538353A1公开(公告)日: 2005-06-08
- 发明人: WAKABAYASHI, Yusuke , MIYANAGI, Naoki , SAKURAI, Shigeyuki , GOKITA, Osamu , AKITA, Hideki
- 申请人: Hitachi Construction Machinery Co., Ltd.
- 申请人地址: 5-1, Koraku 2-chome, Bunkyo-ku Tokyo 112-004 JP
- 专利权人: Hitachi Construction Machinery Co., Ltd.
- 当前专利权人: Hitachi Construction Machinery Co., Ltd.
- 当前专利权人地址: 5-1, Koraku 2-chome, Bunkyo-ku Tokyo 112-004 JP
- 代理机构: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
- 优先权: JP2002263174 20020909
- 国际公布: WO2004022989 20040318
- 主分类号: F16C33/10
- IPC分类号: F16C33/10 ; F16C11/04 ; F16C3/02 ; E02F9/00
摘要:
A bearing apparatus has a porous bush (9) impregnated with lubricant and a shaft (10) supported by the bush (9). The shaft (10) has a quench hardened section (10a) formed in the form of a projection, and an indentation (10b) which is formed between portions of the quench hardened section (10a) and traps lubricant flowing out of the bush (9).
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