发明名称 Auxiliary vacuum unit for a central vacuum cleaning system
摘要 An auxiliary vacuum device for a central vacuum cleaning system is location specific and comprises a housing mountable externally on an inlet of a mounting plate of the system, a dedicated flexible concertina hose is provided on the device and a cleaning tool mounting probe is registrable with a docking station. With the probe docked in the docking station the device is in the 'off' position and with the probe removed therefrom the device is in the 'off/standby' mode. A push on/off button is used to complete the procedure for starting the system and for stopping it in an 'off/standby' mode.
申请公布号 US2009083930(A1) 申请公布日期 2009.04.02
申请号 US20080232939 申请日期 2008.09.26
申请人 MARCIL CHRISTIAN;WIDMER URS 发明人 MARCIL CHRISTIAN;WIDMER URS
分类号 A47L5/38 主分类号 A47L5/38
代理机构 代理人
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