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专利名称：MAIL DELIVERY SIGNAL DEVICE发明人：MYERS D,US申请号：US3794240D申请日：19720608公开号：US3794240A公开日：19740226
摘要：A signal device for use with rural mail boxes comprises a laterally extendingbracket having laterally spaced depending legs. A signal flag of any desired shape ismounted at or near its aft edge to pivotal mounting means for free swinging by gravity. Alatch lever is pivotally mounted to the bracket and has a hook at its lower end to engagethe forward portion of the flag and hold it in retracted position. The upper end of thelever is in the path of movement of the mail box door and is angularly displaced byopening of the door to release the flag for swinging down to signaling position. Thebracket may be mounted in various ways but preferably a bail overlies the box with itsfree ends extending through apertures in the bracket and secured thereto. The twomoving parts are freely pivoted and operate by gravity. There are no springs or slidingmembers and no modification of the basic mail box.
申请人：MYERS D,US
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