Motor-driven cable reel assembly
US4893037A · kind A · utility
30Cited by
8References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 18, 1988 |
| Grant date | Jan 9, 1990 |
| Priority date | — |
| Expiry date | Apr 18, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G11/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A motor-driven electric cable reel assembly includes a rotatable cable take-up drum, and an electric motor for driving the drum in a cable take-up direction. The cable reel assembly also includes a storage battery provided with a battery charger which is connected to the cable in a manner such that the battery is recharged when the cable is connected to an electric power source. Also provided is a switch arrangement which stops the motor in response to torque generated by the motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.