Hoist assembly
US10137819B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 16, 2015 |
| Grant date | Nov 27, 2018 |
| Priority date | — |
| Expiry date | Mar 3, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66C23/54
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A hoist assembly is disclosed. The hoist assembly can include a frame, a first sheave assembly fixed relative to the frame, a second sheave assembly movable relative to the frame, and a cable engaged with the first sheave assembly and the second sheave assembly. The first sheave assembly can include a first sheave comprising a first axis of rotation and a second sheave comprising a second axis of rotation oriented perpendicular to the first axis of rotation. The second sheave assembly can comprise a third sheave comprising a third axis of rotation and a fourth sheave comprising a fourth axis of rotation angularly-oriented relative to the third axis of rotation. The third axis of rotation and the fourth axis of rotation can be coplanar. The sheaves can be removable and replaceable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.