Venetian blind
US4621673A · kind A · utility
37Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 1983 |
| Grant date | Nov 11, 1986 |
| Priority date | — |
| Expiry date | Oct 26, 2003 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B9/388
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A venetian blind having a clutch mechanism for controlling the tilt rod of the blind. The clutch mechanism is operated by a beaded cord. Lifting of the bottom rail and slats is accomplished by an extremely thin lift tape to be wound on a reel on the tilt rod. The top ends of the ladders of the blind are connected to a sled slidably mounted on the reel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.