Vertical support structure and lifting device having the same
US9227816B2 · kind B2 · utility
0Cited by
8References
4Claims
0Family size
Inventor
Key dates
| Filing date | Aug 26, 2013 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | Mar 18, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB66B9/025
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The vertical support structure includes a half tube and a mounting member. The half tube has an inner surface defining a receiving space and formed with a series of axially spaced-apart helical groove halves. The mounting member is connected to an outer surface of the half tube. A lifting device is also disclosed, and includes a plurality of the vertical support structures, a plurality of rotation units, a plurality of slide housings, a lift carrier, a drive motor and a plurality of transmission units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.