Rope winder, petroleum instrument salvaging system and petroleum instrument hoisting system
US10087054B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 21, 2015 |
| Grant date | Oct 2, 2018 |
| Priority date | — |
| Expiry date | Jul 8, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/22
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A rope winder, which has a rack, and a winding drum set on the rack that releases and retracts a rope. The rope includes a first turning wheel, an electronic counter, a calculating unit, a speed regulating unit and a control unit. The turning wheel has a groove which fits the rope. A petroleum instrument salvaging system which includes the rope winder and rope. One end of the rope is wound on the winding drum of the rope winder. A petroleum instrument hoisting system which includes the rope winder and a rope of which one end is wound on a winding drum of the rope winder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.