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(11) | EP 1 808 113 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Vacuum cleaner |
(57) A vacuum cleaner comprises a suction unit (10) optimally structured to reduce noise,
and can maneuver the suction unit with a small maneuvering force. The vacuum cleaner
comprises a body (11) to generate suction force, and the suction unit (10) connected
with the body (11) to suck dust. The suction unit (10) comprises a case (20) defining
an outer appearance, a base plate (30) constituting a bottom surface of the suction
unit (10) and being formed with a suction port (31) through which the dust is sucked
into the suction unit (10), a plurality of wheels (40a,40b) attached to at least one
of front opposite sides and rear opposite sides of the suction unit (10) to allow
the suction unit (10) to roll on a floor, and a connecting rod (41b) connecting the
wheels (40a,40b) with each other and having a reversed arch-shaped outer periphery
gradually decreased in diameter towards a center of the connecting rod (41b).
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