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    • 9. 发明授权
    • Apparatus and method for protection of coin operated telephones
    • 用于保护投币式电话的装置和方法
    • US5131035A
    • 1992-07-14
    • US678671
    • 1991-04-01
    • David Ohayon
    • David Ohayon
    • H04M1/18H04M17/02
    • H04M1/18H04M17/026
    • A protective cover is disclosed for coin operated telephones which includes a coin box for storage of coins and a coin return opening for providing the user with a refund of unused coins. The protective cover is constructed of heavy gauge protective steel plate and is dimensioned to extend across the entire width of the telephone while providing limited, but sufficient access to the coin return opening of the telephone by including a relatively small opening to provide such access. A door which blocks the opening in the steel plate is pivotally mounted to the rear surface of the plate and is dimensioned to pivot rearwardly when returned coins are retrieved by the user, thus preventing stuffing of the coin return area. The door is greater in the vertical dimension than the vertical dimension of the relatively small coin return access opening and includes a rearwardly depending flange at the lower edge portion and a forwardly depending flange along each vertical side portion to prevent tampering or stuffing of the opening. The vertical flanges are approximately equal in length to the vertical dimension of the opening and extend forwardly to the forward surface of the steel plate. Limited pivotal movement of the coin return protective door is permitted by the protective cover. The protective cover is permanently attached to the locked cash box vault door and is therefore readily removable along with the vault door. A method for protection of coin operated telephones is also disclosed.
    • 公开了一种用于投币式电话的保护罩,其包括用于存储硬币的硬币盒和用于向用户提供未使用硬币的退款的硬币返回开口。 保护盖由重型保护钢板构成,其尺寸设计成延伸到电话的整个宽度上,同时通过包括相对较小的开口以提供这种接近而提供有限的,但足够的通往电话的硬币返回开口。 阻挡钢板中的开口的门被枢转地安装在板的后表面上,并且当返回的硬币被用户取回时,其尺寸被设计成向后枢转,从而防止硬币返回区域的填充。 门的垂直尺寸大于相对小的硬币返回通道开口的垂直尺寸,并且在下边缘部分包括向后悬垂的凸缘,并且沿着每个垂直侧部分包括向前悬垂的凸缘,以防止篡改或填充开口。 垂直法兰的长度与开口的垂直尺寸大致相等,并向前延伸到钢板的前表面。 保护盖允许硬币返回保护门的有限枢纽运动。 保护盖永久地连接到锁定的现金箱拱顶门上,因此可以随着保险库门一起移动。 还公开了一种用于保护投币式电话的方法。