发明申请
US20140020206A1 CYLINDER VACUUM CLEANER 有权
气缸真空清洁器

CYLINDER VACUUM CLEANER
摘要:
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 front swivel castor for supporting the main body on the floor, the front castor comprising a frame mounted for rotation about a swivel axis and one or more wheels mounted on the frame, the hose being connected to the frame for co-rotation with the frame about the swivel axis, wherein the swivel axis is positively raked.
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