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    Housing for long-field lamps having interchangeable louver insert
    1.
    发明授权
    Housing for long-field lamps having interchangeable louver insert 失效
    长场灯的外壳具有可互换的百叶窗插入

    公开(公告)号：US4841421A

    公开(公告)日：1989-06-20

    申请号：US263190

    申请日：1988-10-27

    申请人： Gottfried Mueller

    发明人： Gottfried Mueller

    IPC分类号： F21V11/02 ,  F21V17/10

    CPC分类号： F21V11/02 ,  F21V17/102

    摘要： Housing for long-field lamps comprising interchangeable louver insert. A lock in the form of a spring arm that is secured to the face wall of the housing is suitable for the mutually releasable interlocking of the housing and louver insert in housings of long field lamps having an interchangeable louver insert. This lock has its free end projecting beyond the upper, bent-off edge of the end louver lamella when in engagement with this upper edge and being capable of being unlocked by the accessible gripping surface that is thereby formed. When such a louver is to be interchanged for a louver insert having higher louver lamellae, then, due to the upper, bent-off edge of the end louver lamellae now being higher, a refitting of the lock is required by placing it higher on the face wall of the housing. In order to avoid this, a plate-shaped lock adapter of resilient material is provided, this being secured to the backside of the end louver lamella in bent-off edge parts and, first, lengthening the gripping surface of the lock beyond the upper lamella edge and, second, representing the counter-latch for the lock at the proper height.

    摘要翻译： 用于长场灯的外壳包括可互换的百叶窗插件。 弹簧臂形式的锁定件固定到壳体的面壁上适合于壳体和百叶窗插入件在具有可互换的百叶窗插入件的长场灯的壳体中的相互释放的互锁。 当与该上边缘接合时，该锁的自由端突出超过末端百叶板的上部弯曲边缘，并且能够被由此形成的可触及的抓握表面解锁。 当这种百叶窗互换用于具有较高百叶窗薄片的百叶窗插入件时，由于最终百叶窗薄片的上部弯曲边缘现在较高，因此需要通过将其更高的位置 房屋的面墙。 为了避免这种情况，提供了一种弹性材料的板形锁定适配器，其被固定到折叠边缘部分中的末端百叶窗片的背面，并且首先将锁定件的抓握表面延长超过上部薄片 边缘，第二，表示在适当高度的锁的反向闩锁。