发明授权
- 专利标题: Gate elevator
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申请号: US14445972申请日: 2014-07-29
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公开(公告)号: US09869144B2公开(公告)日: 2018-01-16
- 发明人: David L. Sipos
- 申请人: David L. Sipos
- 申请人地址: US LA Lafayette
- 专利权人: Vermilion River Tool and Equipment Company
- 当前专利权人: Vermilion River Tool and Equipment Company
- 当前专利权人地址: US LA Lafayette
- 主分类号: E21B19/06
- IPC分类号: E21B19/06
摘要:
A shoulder elevator having a gated pipe opening is disclosed. The elevator has a ringed body having unclosed sector creating an opening for receiving a pipe within the body ring. Pivotally mounted gates positioned on opposite sides of the unclosed sector of the ringed body, move in unison to an open and partially close the unclosed sector of the ringed body around the pipe in response to pipe contact with rearward end of the gates. A lever is provided to manually pivot the gates to an open and closed position around a pipe. Lifting lugs or ears are provided to attach the elevator to the lifting links of a hoist.
公开/授权文献
- US20150027733A1 Gate Elevator 公开/授权日:2015-01-29
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