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1. 发明申请

WO2007030262A2 SPEAR HEAD OVERSHOT FOR USE IN A CABLE GUIDED FISHING ASSEMBLY 审中-公开
标题翻译：用于电缆导向渔具的SPEAR HEAD OVERSHOT
公开(公告)号：WO2007030262A2
公开(公告)日：2007-03-15
申请号：PCT/US2006/031376
申请日：2006-08-11
申请人： NATIONAL-OILWELL DHT, L.P. , STREATER, James, R., Jr. , BOSLEY, Gregg, A. , ROSS, David, P. , ISAACKS, Steven, C.
发明人： STREATER, James, R., Jr. , BOSLEY, Gregg, A. , ROSS, David, P. , ISAACKS, Steven, C.
IPC分类号： E21B31/18
CPC分类号： E21B31/18
摘要： Disclosed is an improved spear head overshot. The spear head overshot is particularly useful as part of a cable-guided fishing assembly. The spear head overshot essentially comprises one or more pivot lugs, the pivot lugs comprising jaw sections and release point sections, an actuator slide, a wave spring, a pivot mandrel, a screw attached to the pivot mandrel, and a compression spring threaded over the screw. In operation, a spear head is inserted into the spear head overshot until the spear head passes the jaw sections of the pivot lugs, at which time the spear head is locked into place. To release the spear head, the release point sections of the pivot lugs are manually forced inward. Simultaneously, the jaw sections of the pivot lugs are forced outward, thereby allowing the spear head to be removed from the spear head overshot. In a cable-guided fishing operation, this process can be repeated as often as necessary.
摘要翻译：披露了一个改进的矛头过头。作为电缆引导式钓鱼装置的一部分，矛头过头特别有用。矛头过头部基本上包括一个或多个枢轴凸耳，枢轴凸耳包括夹爪部分和释放点部分，致动器滑块，波形弹簧，枢轴心轴，连接到枢转心轴的螺钉以及螺纹上的压缩弹簧拧。在操作中，将矛头插入矛头中，直到矛头通过枢转凸耳的颚部，此时将矛头锁定到位。为了释放矛头，枢轴凸耳的释放点部分被手动地向内压。同时，枢转凸耳的颚部被强制向外，从而允许将矛头从矛头过度移开。在电缆引导的捕鱼作业中，可以根据需要经常重复该过程。

2. 发明公开

EP1929120A2 CABLE HANGER FOR USE IN A CABLE GUIDED FISHING ASSEMBLY 审中-公开
标题翻译：线缆架用在电缆撒网捕鱼安排
公开(公告)号：EP1929120A2
公开(公告)日：2008-06-11
申请号：EP06801815.9
申请日：2006-08-18
申请人： National-Oilwell DHT, L.P.
发明人： STREATER, James, R., Jr. , BOSLEY, Gregg, A. , LEACH, Donald, L. , ROSS, David, P. , ISAACKS, C., Steven
IPC分类号： E21B31/00 , F16G11/06
CPC分类号： E21B31/125 , Y10T24/3936
摘要： A cable hanger for use in a cable-guided fishing operation is disclosed. The disclosed invention provides a cable hanger in which a specially-shaped hanger body is connected to a handle having a cable groove running through it. The cable groove allows for the centerline of a cable to run through the centerline of the handle, thereby allowing for a straight-line pull to be exerted on the cable through the cable hanger. The specially-shaped hanger body is operatively connected to a specially-shaped body cover by a plurality of links. In this way, the hanger body and cover form a 'clamshell' arrangement in which the cover can rotate from an open position to a closed position around the cable. When in the closed position, the cover and body are bolted together along the side of the cover and body opposite the links.

3. 发明公开

EP1929119A2 SPEAR HEAD OVERSHOT FOR USE IN A CABLE GUIDED FISHING ASSEMBLY 审中-公开
标题翻译：鱼叉形打捞用在电缆撒网捕鱼安排
公开(公告)号：EP1929119A2
公开(公告)日：2008-06-11
申请号：EP06801259.0
申请日：2006-08-11
申请人： National-Oilwell DHT, L.P.
发明人： STREATER, James, R., Jr. , BOSLEY, Gregg, A. , ROSS, David, P. , ISAACKS, Steven, C.
IPC分类号： E21B31/00
CPC分类号： E21B31/18
摘要： Disclosed is an improved spear head overshot. The spear head overshot is particularly useful as part of a cable-guided fishing assembly. The spear head overshot essentially comprises one or more pivot lugs, the pivot lugs comprising jaw sections and release point sections, an actuator slide, a wave spring, a pivot mandrel, a screw attached to the pivot mandrel, and a compression spring threaded over the screw. In operation, a spear head is inserted into the spear head overshot until the spear head passes the jaw sections of the pivot lugs, at which time the spear head is locked into place. To release the spear head, the release point sections of the pivot lugs are manually forced inward. Simultaneously, the jaw sections of the pivot lugs are forced outward, thereby allowing the spear head to be removed from the spear head overshot. In a cable-guided fishing operation, this process can be repeated as often as necessary.

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