Securing device for positioning a seat post of office chairs
US6578804B2 · kind B2 · utility
11Cited by
15References
3Claims
0Family size
Inventors
Key dates
| Filing date | Jun 8, 2001 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Jun 8, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7067
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An office chair includes a seat with a seat post which is movably inserted into a base. The base has a plurality of legs extending therefrom and a recess is defined in a top of the tube. Two clamp members are connected by two expandable members which bias the clamp members in opposite directions. A cover is mounted to the base and the seat post extends through the cover. The seat post is clamped by the two clamp members and a releasing member extends through the cover and the hole in the tube and engages with one of the two clamp members.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.