Mast lift with screw drive and gas strut
US9505596B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 23, 2014 |
| Grant date | Nov 29, 2016 |
| Priority date | — |
| Expiry date | Sep 17, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G1/22
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A mast lift includes a base and a telescoping mast coupled with the base and extending upward from the base. The telescoping mast has a support section fixed to the base and a movable section movably connected and displaceable relative to the support section between a retracted position and an extended position. A top cap is secured to the movable section, and a platform is supported by the top cap and the movable section. A gas strut acts between the support section and the movable section and biases the movable section toward the extended position. A threaded driving rod is connected between the top cap and the base and extends through a fixed nut assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.