发明名称 Current carrying inlet valve for central vacuum system
摘要 The present invention discloses a current carrying inlet valve for central vacuum system providing tubular elements and connecting fittings with an integral electrical receptacle to permit operation of any electrically driven attachments and/or other cleaning devices, specific to the operation of a central vacuum cleaning system, without the necessity of an electrical outlet in close proximity, to which the location of an inlet valve was hereto restricted.
申请公布号 US4758170(A) 申请公布日期 1988.07.19
申请号 US19870059885 申请日期 1987.06.09
申请人 HAYDEN, THEODORE R. D. 发明人 HAYDEN, THEODORE R. D.
分类号 A47L5/38;(IPC1-7):H01R13/73 主分类号 A47L5/38
代理机构 代理人
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