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    • 3. 发明授权
    • Flashlight anti-roll and positioning device
    • 手电筒防滚动定位装置
    • US5339229A
    • 1994-08-16
    • US113180
    • 1993-08-30
    • John J. Snyder
    • John J. Snyder
    • F21V21/08F21V21/096F21L15/18
    • F21V21/08F21V21/0965
    • A positioning device for a flashlight and the like having a substantially cylindrical body portion, the positioning device including an annular member having an interior opening passing therethrough, the interior opening being dimensioned to at least partially encircle the substantially cylindrical body of the flashlight, the annular member having an exterior surface opposing the interior opening, and at least one substantially planar surface provided on the exterior surface of the annular member. Preferably, the annular member includes a magnetized plastic material, and the at least one substantially planar surface includes at least six substantially planar surfaces provided on the exterior surface of the annular member, or the at least one substantially planar surface includes at least five substantially planar surfaces provided on the exterior surface of the annular member.
    • 一种具有基本上圆柱形主体部分的手电筒等的定位装置,所述定位装置包括具有穿过其中的内部开口的环形构件,所述内部开口的尺寸设计成至少部分地围绕所述手电筒的大致圆柱形主体,所述环形 具有与内部开口相对的外表面的构件以及设置在环形构件的外表面上的至少一个基本平坦的表面。 优选地,环形构件包括磁化塑料材料,并且所述至少一个基本上平坦的表面包括设置在环形构件的外表面上的至少六个基本上平坦的表面,或者至少一个基本上平坦的表面包括至少五个基本平坦的表面 设置在环状构件的外表面上的表面。