发明名称 Rolling bearing
摘要 A rolling bearing used in a power transmission device for transmitting power such as turning force, characterized in that a magnet for holding in a lubrication portion of the rolling bearing a lubricating magnetic fluid for lubricating the lubrication portion is provided on at least one side of an outer race of the rolling bearing, and an annular yoke made of a magnetic material loosely fitted to a rotating shaft is provided on the opposite side of said magnet relative to said outer race, and a cross-sectional profile of the yoke has an I-shape.
申请公布号 US9022660(B2) 申请公布日期 2015.05.05
申请号 US201414335692 申请日期 2014.07.18
申请人 Eagle Industry Co., Ltd. 发明人 Honda Shigeki
分类号 F16C33/72;F16J15/43;F16C33/66;F16C33/76;F16C35/06;F16C19/08 主分类号 F16C33/72
代理机构 Hayes Soloway P.C. 代理人 Hayes Soloway P.C.
主权项 1. A rolling bearing used in a power transmission device for transmitting power such as turning force, the rolling bearing characterized in that a magnet for holding in a lubrication portion of said rolling bearing a lubricating magnetic fluid for lubricating said lubrication portion is provided on at least one side of an outer race of the rolling bearing, an annular yoke made of a magnetic material loosely fitted to a rotating shaft is provided on the opposite side of said magnet relative to an outer-race-side member, a cross-sectional profile of said yoke has an I-shape, and said magnet is fitted into a recessed portion provided so as to open toward said yoke at said outer-race-side member.
地址 JP