发明名称 Security device for a coin operated washing machine
摘要 A security device for a coin operated washing machine having a cabinet and a coin slot mechanism housing is provided and consists of a shield attached to the cabinet for protecting the coin slot mechanism housing from vandalism, so as to prevent theft of coins and an unauthorized operation of the coin operated washing machine.
申请公布号 US5263344(A) 申请公布日期 1993.11.23
申请号 US19920986335 申请日期 1992.12.07
申请人 MADISON, ALEXANDER G. 发明人 MADISON, ALEXANDER G.
分类号 D06F39/12;G07F9/06;G07F17/20;(IPC1-7):E05B73/00 主分类号 D06F39/12
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