The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 05, 2013
Filed:
Jul. 07, 2010
Stephen Robert Dimbylow, Malmesbury, GB;
Alistair William Skuse, Malmesbury, GB;
Spencer James Robert Arthey, Malmesbury, GB;
Henry Licming Lambourn, Malmesbury, GB;
Scott Andrew Maguire, Malmesbury, GB;
Stephen Robert Dimbylow, Malmesbury, GB;
Alistair William Skuse, Malmesbury, GB;
Spencer James Robert Arthey, Malmesbury, GB;
Henry Licming Lambourn, Malmesbury, GB;
Scott Andrew Maguire, Malmesbury, GB;
Dyson Technology Limited, Malmesbury, GB;
Abstract
A surface treating head includes a main body, a suction cavity in the main body including first and second suction channels, each of which is bounded on one side by a working edge, an air duct interposed between the first and second suction channels for conveying air towards the working edges, a brush unit and a drive mechanism for moving the brush unit between a stowed position in which the air duct is open to the atmosphere and a deployed position in which the air duct is closed.