Optical fibre installation apparatus
US9535228B2 · kind B2 · utility
2Cited by
9References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2006 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Feb 10, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G1/086
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A blowing head for installing blown cable, comprising a low-inertia motor using electrical current, operable to obtain the advance of the cable within the blowing head, adjusting means operable to vary the level of current of the motor, and low-inertia sensing means to sense movement and changes in the level of movement of the cable within the blowing head, wherein in use the adjusting means varies the level of current used by the motor in response to changes in the level of movement sensed by the sensing means, and wherein the varying level of current does not exceed a maximum current level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.