Wellbore rig elevator systems
    2.
    发明申请
    Wellbore rig elevator systems 有权
    井下钻机电梯系统

    公开(公告)号:US20070062705A1

    公开(公告)日:2007-03-22

    申请号:US11231290

    申请日:2005-09-20

    IPC分类号: E21B19/18

    CPC分类号: E21B19/06

    摘要: An elevator having, in at least certain aspects, an elevator body with two opposed ends and an elevator opening in the body, a door pivotably mounted to the body for selectively closing off the elevator opening, a lock bar on the elevator body, door latch apparatus on the door including a movable member to selectively and releasably hold the lockbar, and locking apparatus for selectively locking the door in position; and, in certain aspects, verification apparatus for maintaining the locking apparatus in position.

    摘要翻译: 一种在至少某些方面具有一个具有两个相对端的电梯主体和一个在本体中的电梯开口的电梯,一个可枢转地安装到主体上用于选择性地关闭电梯开口的门,电梯主体上的锁杆,门闩 门上的装置包括可选择地和可释放地保持锁定杆的可动构件,以及用于选择性地将门锁定在适当位置的锁定装置; 并且在某些方面,用于将锁定装置保持在适当位置的验证装置。

    Wellbore rig elevator systems
    3.
    发明授权

    公开(公告)号:US07303021B2

    公开(公告)日:2007-12-04

    申请号:US11231290

    申请日:2005-09-20

    IPC分类号: E21B19/06

    CPC分类号: E21B19/06

    摘要: An elevator having, in at least certain aspects, an elevator body with two opposed ends and an elevator opening in the body, a door pivotably mounted to the body for selectively closing off the elevator opening, a lock bar on the elevator body, door latch apparatus on the door including a movable member to selectively and releasably hold the lockbar, and locking apparatus for selectively locking the door in position; and, in certain aspects, verification apparatus for maintaining the locking apparatus in position.