发明授权
- 专利标题: BEARING DEVICE AND METHOD OF MANUFACTURING THE BEARING DEVICE
- 专利标题(中): 轴承装置和制造轴承装置的方法
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申请号: EP03710256.3申请日: 2003-03-06
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公开(公告)号: EP1482193B1公开(公告)日: 2011-06-22
- 发明人: TODA, Kazutoshi, Koyo Seiko Co., Ltd. , KASHIWAGI, Shinichirou, Koyo Seiko Co., Ltd. , TOMITA, Daisaku, Koyo Seiko Co., Ltd.
- 申请人: JTEKT Corporation
- 申请人地址: 5-8, Minamisemba 3-chome Chuo-ku, Osaka-shi Osaka 542-8502 JP
- 专利权人: JTEKT Corporation
- 当前专利权人: JTEKT Corporation
- 当前专利权人地址: 5-8, Minamisemba 3-chome Chuo-ku, Osaka-shi Osaka 542-8502 JP
- 代理机构: Steinmeister, Helmut
- 优先权: JP2002060263 20020306
- 国际公布: WO2003074891 20030912
- 主分类号: F16C35/063
- IPC分类号: F16C35/063 ; C21D9/40
摘要:
A bearing device, comprising a bearing ring and a shaft body formed of a carbon steel having pearlite with cementite the lamellar structure of cementite and having an end part caulked into the bearing ring, wherein the layer-to-layer distances of the cementite in the pearlite are increased at least at the end part of the shaft body.
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