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. 24, 2006
Filed:
Sep. 06, 2002
Thomas P. Mathews, Plymouth, MN (US);
Michael H. Lenzmeier, North Branch, MN (US);
Archie A. Weidner, Minnetonka, MN (US);
Gregory J. Engel, Plymouth, MN (US);
Thomas P. Mathews, Plymouth, MN (US);
Michael H. Lenzmeier, North Branch, MN (US);
Archie A. Weidner, Minnetonka, MN (US);
Gregory J. Engel, Plymouth, MN (US);
Tennant Company, Minneapolis, MN (US);
Abstract
A street sweeper system is used typically in a motorized vehicle. The sweeper utilizes a cylindrical brush rotating about an axis that is typically perpendicular to the vehicle's direction of motion. A conveyor belt catches debris thrown forwards and upward by the brush and moves the debris to a hopper. A conveyor lip is mounted on a lower edge of the conveyor to improve sweeping performance. The conveyor lip covers a space between the lower edge of the conveyor and the ground. The lip's lower edge is angled towards the brush to deflect debris back towards the brush to recirculate the debris.