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1. 发明申请

US20120321391A1 CENTER HOLE RAM CABLE PULLER 有权
标题翻译：中心孔RAM电缆拉拔器
公开(公告)号：US20120321391A1
公开(公告)日：2012-12-20
申请号：US13160430
申请日：2011-06-14
申请人： Rod Herrick , John Michael Thomas
发明人： Rod Herrick , John Michael Thomas
IPC分类号： B66F19/00 , F16L1/028 , F16L55/18
CPC分类号： F16L55/1658
摘要： A center hole ram can have a barrel, and a piston that is moveable relative to the barrel. The piston can define an axial hole that extends through the piston. A gripping assembly can be attached to the ram. The gripping assembly can be configured to grip a cable and pull the cable through the axial hole in response to multiple actuating strokes of the ram. Also, a bursting head can be attached to a cable. The cable can be pulled through a tunnel (such as an existing pipe) and through a piston of a ram. Pulling the cable can result in the cable pulling the bursting head through the tunnel toward the ram. Also, pulling the cable can include gripping the cable with a gripping assembly attached to the ram, and actuating the ram.
摘要翻译：一个中心孔冲头可以有一个筒体，一个可以相对于机筒移动的活塞。活塞可以限定延伸穿过活塞的轴向孔。夹紧组件可以连接到压头上。夹持组件可以构造成响应于冲头的多个致动冲程而夹紧电缆并且拉动电缆穿过轴向孔。此外，爆破头可以连接到电缆。电缆可以通过隧道（例如现有的管道）和通过活塞的活塞拉出。拉电缆可能导致电缆将破裂头通过隧道拉向冲头。此外，拉动电缆可以包括用附接到压头的夹紧组件夹紧电缆并且致动冲头。

2. 发明申请

US20220362611A1 Handheld Exercise Device 有权
公开(公告)号：US20220362611A1
公开(公告)日：2022-11-17
申请号：US17744286
申请日：2022-05-13
申请人： John Michael Thomas
发明人： John Michael Thomas
IPC分类号： A63B21/00 , A63B21/06 , A63B24/00 , A63B71/06
摘要： A handheld exercise device is an apparatus that enables the user to exercise the upper body due to the load applied on the user's arms from the centripetal force created by moving the apparatus using one or two hands. To do so, the apparatus may include an O-ring housing, a crossbar, a bearing assembly, and a control system. The O-ring housing is designed to retain the bearing assembly in such a way that the user can move the bearing assembly in a circular motion within the O-ring housing. The crossbar facilitates the handling of the O-ring housing with one or two hands in order for the user to move the bearing assembly in a circular motion within the O-ring housing. The control system helps the user keep track of the movement of the bearing assembly so that the user can measure the exercise progress while handling the apparatus.

3. 发明授权

US08540458B2 Center hole ram cable puller 有权
标题翻译：中心孔拉杆拉线器
公开(公告)号：US08540458B2
公开(公告)日：2013-09-24
申请号：US13160430
申请日：2011-06-14
申请人： Rod Herrick , John Michael Thomas
发明人： Rod Herrick , John Michael Thomas
IPC分类号： F16L55/18
CPC分类号： F16L55/1658
摘要： A center hole ram can have a barrel, and a piston that is moveable relative to the barrel. The piston can define an axial hole that extends through the piston. A gripping assembly can be attached to the ram. The gripping assembly can be configured to grip a cable and pull the cable through the axial hole in response to multiple actuating strokes of the ram. Also, a bursting head can be attached to a cable. The cable can be pulled through a tunnel (such as an existing pipe) and through a piston of a ram. Pulling the cable can result in the cable pulling the bursting head through the tunnel toward the ram. Also, pulling the cable can include gripping the cable with a gripping assembly attached to the ram, and actuating the ram.
摘要翻译：一个中心孔冲头可以有一个筒体，一个可以相对于机筒移动的活塞。活塞可以限定延伸穿过活塞的轴向孔。夹紧组件可以连接到压头上。夹持组件可以构造成响应于冲头的多个致动冲程而夹紧电缆并且拉动电缆穿过轴向孔。此外，爆破头可以连接到电缆。电缆可以通过隧道（例如现有的管道）和通过活塞的活塞拉出。拉电缆可能导致电缆将破裂头通过隧道拉向冲头。此外，拉动电缆可以包括用附接到压头的夹紧组件夹紧电缆并且致动冲头。

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