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:
Oct. 09, 2018
Filed:
Mar. 20, 2015
Dyson Technology Limited, Wiltshire, GB;
Charles Geoffrey Box, Swindon, GB;
Luke William Stephens, Swindon, GB;
Dyson Technology Limited, Malmesbury, Wiltshire, GB;
Abstract
A surface treating head comprising a suction cavity having a suction cavity opening bounded by a front working edge and a rear working edge, at least one of the front and rear working edges being moveable between a first position in which the suction cavity opening is at a maximum and a second position in which the suction cavity opening is at a minimum, an actuating mechanism comprising a user-operable actuator for actuating at least one of the front and rear working edges between the first and second positions, and one or more air bleed vents, wherein actuation of the actuating mechanism causes the one or more air bleed vents to open and close.