A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 5/38 (2006.01) A47L 9/24 (2006.01)
Patent
CA 2531781
Hose nipple has longitudinal axis, distal end, and aperture. Distal end closed and in line with axis for insertion into wall valve. Aperture opens out of line with axis. Nipple and valve alignment mechanisms align nipple and valve apertures for mating. Valve member slides in valve on insertion of nipple through opening of valve against front surface of member. In first position, front surface between opening and aperture. Fluid connection through valve prevented. In second position, front surface further into valve, and fluid connection provided. Valve and nipple longitudinal retention mechanisms retain nipple. Mechanisms engaged by rotational movement. Valve and nipple rotational coupling mechanisms form rotational coupling that is manually engageable and releasable. Hose assembly has nipple, handle, and stretch hose. Handle may have turbine and generator, air causes turbine to turn and generator to generate electrical energy. Central vacuum cleaning system has vacuum source, valve, piping, and assembly.
Arato Paul
Cunningham J. Vern
Cube Investments Limited
Ridout & Maybee Llp
LandOfFree
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