发明名称 Method and apparatus for removing and replacing shaft support bearings for a support shaft of a garage door
摘要 This disclosure relates to the maintenance of mechanical components and techniques used for overhead garage doors, and more particularly to the removal of worn out support bearings used for a rotatable shaft used for weight support of the garage door and the replacement of these with fresh bearings.
申请公布号 US8464428(B1) 申请公布日期 2013.06.18
申请号 US201113039969 申请日期 2011.03.03
申请人 PARKS STEPHEN J. 发明人 PARKS STEPHEN J.
分类号 B21D53/10 主分类号 B21D53/10
代理机构 代理人
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