发明名称 Wall mounted telephone index
摘要 A wall mounted telephone index including a housing arranged to be mounted in a substantially vertical position on a wall, the housing having a front opening for access to the interior in which a stack of pivotally mounted index cards are disposed with a pivotally mounted door on the housing for closing the front opening and maintaining the cards in a storage position. A slide selector is mounted on the housing for movement into a selected position for retaining engagement with a selected card so that when the door is pivoted downward manually, the index cards overlying the selected card pivot downwardly to display the selected index card.
申请公布号 US4275519(A) 申请公布日期 1981.06.30
申请号 US19790075940 申请日期 1979.09.17
申请人 KETCHAM & MCDOUGALL, INC. 发明人 GRUNSTAD, JEROME A.
分类号 B42F17/34;(IPC1-7):B42F17/34 主分类号 B42F17/34
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