Cylinder vacuum cleaner
AssigneeDyson Technology Limited
InventorsPatrick Joseph William Moloney, Robert Mark Brett Coulton, Stuart James Steele, Rodney James Brown, James Martin Coleman
Life of this patent
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Abstract
A cylinder vacuum cleaner comprising a main body which is fluidly connected to a suction hose used to pull the main body forwards along a floor, and a rear swivel castor for supporting the main body on the floor, the rear castor having a negatively-raked swivel axis which is offset from a wheel axis of the castor to provide a positive castor trail.
Claims11
A cylinder vacuum cleaner comprising a main body which is fluidly connected to a suction hose used to pull the main body forwards along a floor, a rear swivel castor for supporting the main body on the floor, the rear castor having a negatively-raked swivel axis which is offset from a wheel axis of the castor by a first rake angle to provide a positive castor trail, the rear swivel castor having swivel movement during operation of the vacuum cleaner, and a front castor with a further swivel axis which is offset from the wheel axis of the castor by a second rake angle different from the first rake angle of the negatively-raked swivel axis of the rear castor.
Dependencies are inferred from the claim text.