发明名称 |
Pneumatic pump roller blades |
摘要 |
Shoe members having spaced parallel support flanges, wherein the flanges include a row of rotatably mounted wheels therebelow which are fashioned as a roller blade structure, having a pneumatic chamber within the side wall of the shoe structure of the roller blades employing a pneumatic pump bladder mounted relative to the tongue structure of the shoe to permit selective filling of the pneumatic side wall chamber.
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申请公布号 |
US5362076(A) |
申请公布日期 |
1994.11.08 |
申请号 |
US19930048307 |
申请日期 |
1993.04.19 |
申请人 |
THOMAS, MICHAEL P.;THOMAS, PAUL |
发明人 |
THOMAS, MICHAEL P.;THOMAS, PAUL |
分类号 |
A43B5/04;A43B5/16;A63C17/06;(IPC1-7):A63C17/06;A63C17/26 |
主分类号 |
A43B5/04 |
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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