Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Simon P. Griffiths0
Wyatt A. Cline0
Darren J. W. Gilikson0
Johnny W. Zimmerle0
Date of Patent
January 29, 2008
Patent Application Number
11187497
Date Filed
July 22, 2005
Patent Primary Examiner
Patent abstract
A vacuum system has a cabinet that can be mounted to a wall. The cabinet includes a hose connectable to a vacuum source. The hose is extendible from the cabinet between extended and retracted positions. A rotatable shaft drives the hose and a power source causes the rotatable shaft to rotate. A sensor measures the speed of rotation of the shaft and signals a controller to stop the power source when the speed falls below a predetermined threshold.
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