Support
US6152434A · kind A · utility
Inventor
Key dates
| Filing date | Nov 23, 1997 |
| Grant date | Nov 28, 2000 |
| Priority date | — |
| Expiry date | Nov 23, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G2025/045
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a support for articles such as ceiling slabs, roof battens, machine parts or the like. The support comprises at least two telescopic tubes or one telescopic eod in at least one tube. A first tube or the rod can be displaced by a first distance in relation to the second tube, and devices are provided to convey the first tube or the rod a further distance in relation to the second tube. Stopping devices for the tube(s) and the rod are also provided in relation to each other and end stops are provided on the tubes, or the rod, the devices for further conveyance of the first tube or the rod comprising a ratchet, rack, clamping bracket or the like which are provided with manual advance devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.