Winch
US12391524B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 29, 2022 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | May 4, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66D2700/0191
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A winch is disclosed having a drive cylinder, configured to be rotated by an applied force about its longitudinal axis and having at least three drive grooves. The winch also includes an idler with a longitudinal axis spaced apart from the longitudinal axis of the drive cylinder. A line is fed onto the winch by passing it over a first of the at least three drive grooves then around the idler and then around a second of the at least three drive grooves. The line is attached to one of a fixed object or the object to be moved. The winch is attached to the other of the fixed object or the object to be moved. As the applied force is applied to the drive cylinder, the line is gripped by the at least three drive grooves and a length of the line between the fixed object and the object to be moved is shortened, whereby the object is moved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.