Telephone index
AssigneeJohn Manufacturing Limited
InventorSe-kit Yuen
Life of this patent
Estimating the term…
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AssigneeJohn Manufacturing Limited
InventorSe-kit Yuen
Estimating the term…
A telephone index comprises a box stand on which a telephone can be placed and an index comprising a stack of cards in a drawer, any selected one of which can be presented for inspection upon pressing the respective one of a plurality of buttons. Levers are mounted in an upper part of the box and extend from the front towards the rear thereof, the levers are pivotably mounted about a common transverse and generally horizontal axis located at a position forward of the push buttons and each co-operates with a respective one of the push buttons such that pressing any one of the push buttons depresses a rearwardly extending arm of a respective one of the levers to move a downwardly extending projection at the rear end of the lever downwardly into engagement with an abutment surface and raises a forwardly extending arm of the lever against the bias of a spring to trip a drawer catch to allow the spring biassed drawer to open. Each of the cards has at least one extension at its rear end, the extensions having apertures therein through which selected ones of said downwardly extending projections can pass to secure the cards against outward movement with the drawer.
In a telephone index, comprising a stand on which a telephone may be placed and an index comprising a stack of cards, any selected one of which said cards can be presented for inspection upon pressing the respective one of a plurality of buttons, wherein said stand is in the form of a box, a drawer is slidable in said box and is spring-loaded for outward movement upon depression of any one of said plurality of buttons to present the particular one of said cards selected as the upper card in said drawer, any of said cards of said stack which are located at a position above said particular one of said cards selected being retained in said box and not moving outwardly with said drawer, the improvement comprising:
Dependencies are inferred from the claim text.