Sewer cleaning machine
US12011746B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2021 |
| Grant date | Jun 18, 2024 |
| Priority date | — |
| Expiry date | Jun 3, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62B2301/256
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sewer cleaning machine including a rotatable drum, a cable positioned at least partially within the drum, the cable configured to be extended from and retracted into the drum along a cable axis, a motor coupled to the drum, the motor operable to rotate the drum, and a cable feed mechanism including a plurality of bearings arranged concentrically around the cable, the plurality of bearings configured to selectively engage the cable to feed the cable in a first linear direction along the cable axis, a cam ring including a plurality of cam surfaces, each of the plurality of cam surfaces engageable with a corresponding one of the plurality of bearings, and a handle configured to rotate the cam ring about the cable axis to move the plurality of cam surfaces into engagement with the first plurality of bearings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.