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:
Jan. 08, 2013
Filed:
Apr. 06, 2010
Andrew Paul Sweeby, Malmesbury, GB;
Nigel Youatt Dymond, Malmesbury, GB;
Andrew Paul Sweeby, Malmesbury, GB;
Nigel Youatt Dymond, Malmesbury, GB;
Dyson Technology Limited, Malmesbury, GB;
Abstract
A cleaner head for a cleaning appliance includes a rotatable brush bar assembly, a motor for driving the brush bar assembly, and a drive mechanism connecting the motor to the brush bar assembly. The drive mechanism includes a rotatable input drive member connected to the motor, a rotatable output drive member connected to the brush bar assembly and moveable relative to the input drive member in a direction substantially orthogonal to the axes of rotation of the drive members, a belt connecting the input drive member to the output drive member, and a belt tensioning member located between the drive members for tensioning the belt by urging the output drive member away from input drive member.