发明名称 |
Hydraulic tool with rapid ram advance |
摘要 |
A hydraulic tool including a frame having a hydraulic conduit system; a ram movably connected to the frame; and a multi-speed ram advancement system for advancing the ram in at least two different rates of movement on the frame. The multi-speed ram advancement system includes a hydraulic pump connected to the hydraulic conduit system of the frame; and a conduit tube extending into a hydraulic chamber inside the ram and fixedly connected to the frame. The conduit tube is adapted to conduit hydraulic fluid from the hydraulic conduit system into the hydraulic chamber inside the ram. The conduit tube is axially rotatably connected to the frame and longitudinally stationarily fixed to the frame.
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申请公布号 |
US6986274(B2) |
申请公布日期 |
2006.01.17 |
申请号 |
US20030739562 |
申请日期 |
2003.12.18 |
申请人 |
FCI AMERICAS TECHNOLOGY, INC. |
发明人 |
LEFAVOUR JOHN D.;MONTMINY ARMAND T.;FAUCHER THOMAS |
分类号 |
B21J9/18;B23D15/14;B23D29/00;H01R43/042 |
主分类号 |
B21J9/18 |
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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