Venetian blind
US4487243A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 21, 1982 |
| Grant date | Dec 11, 1984 |
| Priority date | — |
| Expiry date | May 21, 2002 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/285
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A venetian blind with a very low head channel and narrow slats, having a lift cord lock, a tilter, and cradles, all of which can simply be snapped in place in the head channel. The cord lock has an integral, one-piece sheet metal housing. The tilter has a plastic housing open at the top through which the gear and worm shaft can be introduced before being closed with a cover. The blind has drums forming plastic sleeves split to fit over the tilt rod and with slits for receiving barbed end portions of ladders for suspending the slats. The lower ends of the ladders and of the lift cord are fastened to the bottom rail of the blind by button-like plastic caps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.