发明名称 |
Castor wheel with non continuous ribs for lubricant |
摘要 |
A moulded plastics article having a closed bore to receive a spindle, the bore being formed with at least one radially inwardly projecting annular rib adapted to locate in a circumferential groove in the spindle, characterized in that the or each rib is interrupted to form a gap for the passage of fluid from one side of the rib to the other when the spindle is inserted into the bore.
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申请公布号 |
US4731901(A) |
申请公布日期 |
1988.03.22 |
申请号 |
US19860827241 |
申请日期 |
1986.02.07 |
申请人 |
GUY-RAYMOND ENGINEERING COMPANY LIMITED |
发明人 |
DANIELS, RAYMOND R. J. |
分类号 |
B60B33/00;(IPC1-7):A47B91/06 |
主分类号 |
B60B33/00 |
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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