Tower-like transfer device
US5971136A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 6, 1997 |
| Grant date | Oct 26, 1999 |
| Priority date | — |
| Expiry date | Jan 6, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G21/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tower-like transfer device includes a cylindrical tower post having an upper post portion and a lower post portion constituted by connecting post constituent members of one kind or two kinds or more, a lift installed liftably to the tower post, an upper post lift for lifting the upper post portion, an integration device for integrating the post constituent member between the upper post portion disconnected from the lower post portion and the lower post portion and holding the upper post portion disconnected from the lower post portion in removing the post constituent member at an upper end of the lower post portion and a transfer lift installed liftably to the tower post.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.