Jack apparatus for lifting and supporting an item for holding windable material
US9624077B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2014 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Apr 10, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66F9/18
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Apparatus for lifting and supporting an item above a floor includes a frame and a pair of upright telescoping post assemblies having two opposite ends and which are positionable on opposite sides of the item to be lifted. A pair of guide posts are arranged as to extend substantially vertically of the frame and adjacent the post assemblies. A carriage assembly is mounted upon each post assembly for cooperating between the item and an adjacent guide post, and jacks are utilized for moving the ends of the post assemblies apart so that by positioning the carriage assemblies in cooperating relationship with the item and moving the ends of the post assemblies apart, the item is lifted by a corresponding amount and the carriage assemblies are guided along the guide posts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.