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    • 2. 发明授权
    • Elevator assembly with reversible insert
    • 具有可逆插入件的电梯组件
    • US09422777B2
    • 2016-08-23
    • US14738029
    • 2015-06-12
    • FOLEY PATENTS, LLC
    • Lawrence E. FoleyScott Foley
    • E21B19/06
    • E21B19/06
    • An elevator assembly such as, for example, a single joint elevator apparatus having a removable load supporting insert member for gripping the outer surface of a pipe section. The load supporting insert member has at least two different shoulder profiles; the load supporting insert member can be quickly and easily removed, inverted and re-installed to accommodate and facilitate gripping of pipe sections having different outer configurations (including, without limitation, outer configurations associated with threaded connection members).
    • 电梯组件,例如,具有用于夹紧管段外表面的可移除负载支承插入件的单个联合电梯装置。 负载支承插入件具有至少两个不同的肩廓; 负载支撑插入件可以快速且容易地拆卸,倒置和重新安装,以容纳并且便于夹持具有不同外部构造(包括但不限于与螺纹连接构件相关联的外部构造)的管段。