| 摘要 |
A receptacle having an open top and a perforate bottom portion has one end of a mounting bracket pivotally secured to a side wall thereof adjacent the open top. The other end of the bracket is adjustably secured to a vertical supporting post of a speaker system for drive-in theaters and the like. The mounting bracket includes upwardly diverging leg portions which mount the receptacle in a manner to support the lowermost edge thereof against the supporting post of the speaker system and for pivotal movements such that the receptacle clears the speaker mechanism mounted at the upper end of the post when the receptacle is pivotally inverted.
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