Lifting column preferably for height adjustable tables and method for manufacturing thereof
US8430218B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 2, 2002 |
| Grant date | Apr 30, 2013 |
| Priority date | — |
| Expiry date | Oct 6, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B7/10
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In lifting columns (1) for tables and similar articles of furniture and consisting of pipe profiles (2a, 2b) with intermediate slides (8), it is a problem that the profiles (2a, 2b) have relatively great dimensional tolerances. This means that the gap between two successive sections may vary relatively much, which causes a great play in the column. This is solved in that at least one of these sections (2a) at one of the slides (8) is formed with a local deformation of the wall inwards toward the slide to press the slide inwards against the following section (2b). The dimensional tolerances may be neutralized by suitable arrangement and selection of deformations as well as the force with which the deformation is made.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.