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. 19, 2024
Filed:
May. 30, 2023
Irobot Corporation, Bedford, MA (US);
Hao-Yun Chow, Kaohsiung, TW;
Patrick Chow, Santa Clarita, CA (US);
Ke Ting Gao, Shenzhen, CN;
Fangzheng Guo, Arlington, MA (US);
Jennifer Ann Mauger, Arlington, MA (US);
Rogelio Manfred Neumann, Somerville, MA (US);
Jian Yun Pi, GaoAn, CN;
Michael G. Sack, Westford, MA (US);
Rubal Verma, Lowell, MA (US);
iRobot Corporation, Bedford, MA (US);
Abstract
A roller assembly for a mobile cleaning system for cleaning a work surface can include a drive shaft, a sheath, a bushing, and a bushing shroud. The drive shaft can be rotatable about a drive axis, and the drive shaft can include a driven end and an opposite bushing end. The sheath can be supported by the drive shaft and the sheath can be rotatable with the drive shaft. The sheath can include a shell engageable with the work surface. The bushing can be located about the bushing end of the drive shaft. The bushing shroud can be connected to the bushing. The sheath and the drive shaft can be together rotatable with respect to the bushing and the bushing shroud, the bushing shroud can include an outer portion defining a first radius of curvature and a recessed portion connected to the outer portion.