Longitudinally adjustable gas spring and elevating mechanism with such gas spring
US5269398A · kind A · utility
5Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1991 |
| Grant date | Dec 14, 1993 |
| Priority date | — |
| Expiry date | Sep 20, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C19/10
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An elevating mechanism for chairs, tables or the like has a guide tube for a gas spring. The guide tube has a bottom plate with an opening. In its section penetrating through the bottom plate the piston rod is provided with a necking on which a retaining ring is arranged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.