Chair with adjustable legs
US5536068A · kind A · utility
61Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 9, 1994 |
| Grant date | Jul 16, 1996 |
| Priority date | — |
| Expiry date | Nov 9, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C3/38
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A chair (10) having adjustable height includes a seat (11) and a number of leg members (12). An adjusting mechanism (30) includes an insert sleeve (40) received within a hollow area (31) of a leg member (12). The insert sleeve (40) has an internal thread (52) which threadably receives a leg extension (60) having an external thread (61). Rotation of the leg extension (60) within the sleeve (40) adjusts the length of the leg member (12).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.