发明名称 |
AN APPARATUS FOR RELEASING A RACK CHOCK OF A JACK-UP RIG |
摘要 |
A "frozen" rack chock of a jack-up rig is released by a moving force imparted on the rack chock by a worm gear assembly. The worm gear assembly has a tooth wheel with a plurality of teeth and a worm gear member provided with a worm thread that engages the teeth for transmitting rotational force from a drive motor to the tooth wheel. A shaft of the tooth wheel is operationally connected to the rack chock to cause disengagement of the rack chock from the contact surface of a leg chord when the tooth wheel is rotated. |
申请公布号 |
SG101972(A1) |
申请公布日期 |
2004.02.27 |
申请号 |
SG20010002873 |
申请日期 |
2001.05.14 |
申请人 |
FRIEDE & GOLDMAN, LTD. |
发明人 |
MORRIS SHEAR;PAUL GEIGER, SR. |
分类号 |
E02B17/08;(IPC1-7):E02B17/00;E02B17/04 |
主分类号 |
E02B17/08 |
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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