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:
Apr. 24, 2018
Filed:
Apr. 08, 2015
Techtronic Industries Co. Ltd., Tsuen Wan, New Territories, HK;
Patrick Quinn, North Canton, OH (US);
John Bantum, Munroe Falls, OH (US);
Michael Wright, Glenwillow, OH (US);
Rafael Davila, Glenwillow, OH (US);
Yiping Guan, Aurora, OH (US);
Techtronic Industries Co. Ltd., Tsuen Wan, New Territories, HK;
Abstract
A drive mechanism for a vacuum cleaner having a motor and an agitator includes a belt coupled to the motor and the agitator to drive the agitator, and a belt tensioner operable to selectively tension the belt. The belt tensioner includes an arm movable relative to the belt, a shaft coupled to the arm, a pulley rotatably coupled to the shaft, a bearing positioned substantially within the pulley and around a portion of the shaft, and a member fixed to the pulley to retain the bearing within the pulley.