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Steering or lifting mechanism
   
Document Number
US Patent 6955364
Issued Date
October 18, 2005
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Inventors
Dyson; James (Little Somerford,GB)
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Abstract
The invention provides a mechanism suitable for lifting an appliance, particularly a domestic appliance. The mechanism (2) comprises a generally cylindrical body (8) having a wall (50) and a longitudinal axis (16) which extends in an upward direction. At least one rolling support member (20) is rotatably mounted on an axle (100) beneath the body (8). A housing (6) having a generally cylindrical socket portion (200) with an inner surface (208) receives the body (8). The wall (50) and the inner surface (208) incorporate opposing camming surfaces (62) (210) such that when the body (8) is rotated about the axis (16) with respect to the socket portion (200), the camming surfaces (62) (210) co-operate. The housing (6) is moved axially with respect to the body (8) and away from the at least one rolling support member (20). The mechanism (2) lifts the appliance (400) from a resting position and into an elevated position ready for manoeuvring. The invention further provides a mechanism (2) suitable for steering an appliance (400). The mechanism (2) comprises a housing (6) and a body (8). The body (8) is connected to the housing (6) so as to allow relative rotation therebetween about a vertical axis (16). At least one rolling support member (20) is mounted on a horizontal axle (100), the axle (100) being mounted on the body (8) and located so as to intersect the vertical axis (16). A handle portion (10) is connected to the body (8) and extends radially outwardly from the vertical axis (16). This arrangement allows the consumer to steer the appliance (400) in an elevated position, in a range of directions, including but not limited to forwards and backwards.
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Number of Claims:
26
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Owner
Dyson Limited (Wiltshire,GB)
Published
October 18, 2005
Application Number
10/220,196
Filed
December 3, 2002
US Classification
280/43   280/43.17 280/46
Int'l Classification
A47B   91/00   (20060101)  
Assistant Examiner
Attorney/Law Firm
Priority Data
Mar 18, 2000 [GB] 0006490
USPTO Field of Search
280/47.12   280/47.17   280/47.3   280/47.32   280/43   280/46   280/43.14   280/43.17   280/43.2   280/43.24   16/32   16/33  
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