发明名称 |
Concrete vibrator machine |
摘要 |
A concrete vibrator machine wherein the vibrators thereof are mounted on individual supporting structures that are adjustable longitudinally of the main frame of the machine, and wherein the vibrators are raised and lowered on their individual supporting structures in such a manner that if the vibrators strike an obstruction during lowering thereof, lowering of the vibrators may stop without damaging stress being placed thereon.
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申请公布号 |
US4256415(A) |
申请公布日期 |
1981.03.17 |
申请号 |
US19790086416 |
申请日期 |
1979.10.19 |
申请人 |
CMI CORPORATION |
发明人 |
ROWE, MURRAY A.;CONWAY, ROBERT T.;GLESMANN, HERBERT C.;KRUSE, RICHARD W. |
分类号 |
E01C19/38;E01D21/00;(IPC1-7):E01C19/38 |
主分类号 |
E01C19/38 |
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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