Motor dampener and drive train for plumbing tools
US10851868B2 · kind B2 · utility
3Cited by
13References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2017 |
| Grant date | Dec 1, 2020 |
| Priority date | — |
| Expiry date | Apr 20, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K7/125
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Motor dampening provisions are described. Incorporation and use of the motor dampener(s) in a rotary type drain cleaning machine enables elimination of a clutch in the machine. Also described are clutch-free drive systems using the motor dampener(s). Also described are torque countering members that are used in conjunction with the motor dampener(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.