发明授权
- 专利标题： Pump jack pole brace latch and method
- 专利标题（中）： 泵顶杆支杆锁扣和方法
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申请号： US11186290申请日： 2005-07-21
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公开(公告)号： US08631903B2公开(公告)日： 2014-01-21
- 发明人: Brett A. Latimer , Robert D. Beggs
- 申请人： Brett A. Latimer , Robert D. Beggs
- 申请人地址： US PA Greenville
- 专利权人： Werner Co.
- 当前专利权人： Werner Co.
- 当前专利权人地址： US PA Greenville
- 代理商 Ansel M. Schwartz
- 主分类号： E04G7/10
- IPC分类号： E04G7/10
摘要：
A pump jack pole brace. The brace comprises a U-shaped yoke member having a first leg and a second leg. The brace includes a latch plate assembly having a first side slidably and pivotably attached to the first leg, and a second side having a tab which engages with the second leg to form a closed envelope with the yoke. A method for securing a pole for use of a pump jack system.
公开/授权文献
- US20070017742A1 Pump jack pole brace latch and method 公开/授权日：2007-01-25
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