F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
15/60, 285/4.5
F16L 25/00 (2006.01) A47L 9/00 (2006.01) A47L 9/24 (2006.01) A47L 9/28 (2006.01) F16L 11/127 (2006.01) H01R 13/713 (2006.01) H01R 13/66 (2006.01)
Patent
CA 1147372
ABSTRACT OF THE DISCLOSURE A vacuum hose assembly, method of making same, and vacuum cleaner incorporating such hose assembly are provided herein. The hose assembly has a chamber in at least one of a pair of hose connectors thereof. Such chamber is readily opened and closed. A protective cartridge is disposed within the chamber and is electrically connected to the electrical circuit of the vacuum hose assembly. The cartridge is adapted to be easily in- stalled within and removed from the chamber, electrical connection means electrically connecting the cartridge between an associated electrical connector and the wires, the cartridge being sensitive to and serving to detect practically every type of fault capable of causing injury to humans and operating to interrupt the electrical circuit therethrough upon detec- tion of a fault, and means for installing the cartridge within the chamber in only one operative position at which the cartridge enables operation of a cleaning instrument supplied with electrical power by the wires.
366203
Borden Ladner Gervais Llp
Dayco Corporation (michigan)
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