| 摘要 |
A safety shield for a machine tool, such as a Bridgeport vertical milling machine, having a rotatable spindle mounted in a non-rotating quill comprising a transparent main or anchor panel formed to receive and be attached to the quill in a manner so that the plane of the panel is transverse to the axis of the quill and at least one transparent movable panel pivotally connected to the anchor panel in a manner to permit pivotal movement of the movable panel outwardly away from a position approximately parallel to the spindle to a position above the plane of the anchor panel, whereby said shield is always positioned adjacent the spindle.
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