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    • 10. 发明授权
    • Coin return anti-stuffing apparatus and method
    • 投币回收装置及方法
    • US5887053A
    • 1999-03-23
    • US937341
    • 1997-09-20
    • Gerald B. McGough
    • Gerald B. McGough
    • G07F1/04G07F9/04H04M17/06
    • G07F9/04G07F1/04
    • A coin return apparatus, for use with a pay telephone, which provides a discontinuous coin return path between the coin return structure and the coin discharge opening of the pay telephone and which resists "stuffing", "stringing", and "pinning". The coin return apparatus includes a housing which is mountable within the pay telephone and a movable door mounted to the housing. The housing includes a chamber therein and a first opening which is communicable with a passageway of a coin return structure of the pay telephone and which is selectively communicable with the chamber. The housing further includes a second opening which is communicable with the environment about the pay telephone and which is selectively communicable with the chamber. The movable door is movable between first and second positions relative to the housing. The presence of the movable door in the first position enables removal of coins present in the chamber through the second opening of the housing and disables passage through the first opening from the chamber. The presence of the movable door in the second position enables the delivery of coins into the chamber through the first opening and disables passage through the second opening to the chamber.
    • 一种与付费电话一起使用的硬币返回装置,其在硬币返回结构和付费电话的硬币排出口之间提供不连续的硬币返回路径,并且抵抗“填充”,“拉线”和“钉扎”。 硬币返回装置包括可安装在付费电话内的壳体和安装到壳体的可移动门。 壳体包括一个室,第一开口可与付费电话的硬币返回结构的通道连通并且可选择地与该室连通。 壳体还包括第二开口,该第二开口可以围绕付费电话与环境通信,并且其可选择性地与腔室通信。 可移动门可相对于壳体在第一和第二位置之间移动。 可移动门在第一位置的存在能够通过壳体的第二开口移除存在于腔室中的硬币,并且禁止从腔室通过第一开口。 可移动门在第二位置的存在使得能够通过第一开口将硬币输送到室中,并且禁止通过第二开口到腔室。