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    RETRACTABLE INDEX PINS AND METHODS OF OPERATING THEREOF
    1.
    发明公开
    RETRACTABLE INDEX PINS AND METHODS OF OPERATING THEREOF 审中-公开
    可伸缩指针引脚及其操作方法

    公开(公告)号：EP3275587A1

    公开(公告)日：2018-01-31

    申请号：EP17182517.7

    申请日：2017-07-21

    申请人： The Boeing Company

    发明人： HICKS, Jason L. ,  BARRICK, Kevin M. ,  SARH, Branko ,  OBEROI, Harinder S.

    IPC分类号： B23P19/10 ,  F16B19/02

    摘要： Provided are self-retractable centering assemblies and methods of using these assemblies for alignment of parts having determinant assembly alignment holes. An assembly includes a center pin having a threaded portion threadably engaging a drive component. The assembly also includes a puller bushing rotatably coupled to the drive component. The center pin protrudes through the puller bushing and can slide with respect to the puller bushing when the drive component is rotated relative to the center pin. The sliding distance is controlled by a limiter disposed within the cavity of the puller bushing. During operation, a portion of the center pin extends from the puller bushing and is inserted into alignment holes of parts being aligned. The drive component is rotated relative to the center pin resulting in the center pin being pulled out of the alignment holes while the puller bushing is being pressed against the parts.

    摘要翻译： 提供了自我缩回定心组件以及使用这些组件对具有行列式组件对准孔的部件进行对准的方法。 一种组件包括中心销，该中心销具有螺纹啮合驱动部件的螺纹部分。 该组件还包括可旋转地联接到驱动部件的牵拉套。 当驱动部件相对于中心销旋转时，中心销突出穿过拉拔套管并可相对于拉拔套管滑动。 滑动距离由设置在拉拔套管的空腔内的限制器控制。 在操作过程中，中心销的一部分从拉拔套筒延伸并插入对齐的部件的对准孔中。 驱动部件相对于中心销旋转，导致中心销从对准孔中拉出，同时拉动套管被压靠在部件上。