发明名称 Coin operated vacuum apparatus
摘要 This invention is a coin operated vacuum apparatus including a housing means mounted on basic support means; a vacuum power means enclosed by the housing means; a coin control means connected to the vacuum power means to control operation thereof; and a hose assembly connected to the vacuum power means. The housing means is constructed of fiberglass material having a cover head assembly and a removable receptacle assembly to receive refuse material therein. The vacuum power means includes a filter and motor assembly having a pair of vacuum motor members mounted on a motor head support assembly with the entire unit easily removable for maintenance purposes. The filter and motor assembly includes a filter assembly associated with each vacuum motor member to provide efficient filtration. The coin control means includes a time meter assembly to be actuated by a coin for a predetermined time period to energize the vacuum power means.
申请公布号 US4036346(A) 申请公布日期 1977.07.19
申请号 US19760690897 申请日期 1976.05.28
申请人 LIVINGSTON, RICHARD W. 发明人 LIVINGSTON, RICHARD W.
分类号 A47L7/00;A47L9/00;A47L9/10;G07F17/00;(IPC1-7):A47L5/00 主分类号 A47L7/00
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