Drain cleaner

US11285521B2 · kind B2 · utility

Assignee

• Milwaukee Electric Tool Corporation · US

Inventors

• Sean T. Kehoe · Waukesha, US
• Ryan J. Denissen · Sussex, US
• Vasil Zhmendak · Milwaukee, US
• Charles K. Cooksey · Menomonee Falls, US
• Peter J. Davies · Whitley, GB
• Jingyuan Liang · Longbeilingcun, CN

Key dates

• Filing date: Jul 22, 2020
• Grant date: Mar 29, 2022
• Expiry date: Jul 22, 2040

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H2701/3917
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A drain cleaner assembly including a base unit including a housing, a drive arrangement positioned within the housing, and a motor coupled to the drive arrangement and supported by the housing, the motor operable to selectively drive the drive arrangement, and a drum unit removably coupled to the base unit. The drum unit includes a drum that engages the drive arrangement when the drum unit is coupled to the base unit to rotate the drum, a cable stored within the drum and selectively extendable out of the drum and into a drain, and an outer casing at least partially surrounding the drum, wherein the drum is rotatable within the outer casing, wherein the drive arrangement includes a coupling arrangement between the motor and the drum, the drive arrangement extending through the outer casing.