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专利名称：Mail depository indicating assembly发明人：Hulet H. Cook申请号：US05/969973申请日：19781215公开号：US04204632A公开日：19800527
摘要：An indicating assembly designed to be used primarily with container assembliesof the type used for mail depositories installed in multi unit apartment houses,
condominiums, or like multi unit dwellings. A switch installed in direct association with theopening of the main unit of the apartment complex, wherein the switch is interconnectedin circuit between a power source and an electromagnetic indication device. Opening ofthe switch and thereby breaking of the circuit is caused by the post office deliveryopening the main assembly normally required for the disposition of mail in the individualmail boxes or compartments. Breaking of the circuit causes disengagement of theelectromagnetic device with a base element formed from magnetically attracted materialsuch as metal. Disconnection of the electromagnetic device from the base element servesas an indication that the mail depository has been opened for the purpose of maildelivery thereby eliminating the need to make unnecessary trips from the variousapartments or dwellings to the main bank of mail depository containers.
申请人：COOK, HULET H
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