Vertical blind
US4262728A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 10, 1979 |
| Grant date | Apr 21, 1981 |
| Priority date | — |
| Expiry date | Jan 10, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S160/90
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In a vertical blind with a blind head and a number of carriers supported for reciprocating movement in the head, and holders respectively supported in the carriers for pivotal movement and adapted to support a plurality of vertical vanes therefrom, with a control for controlling the reciprocating movement of the carriers and pivotal movement of the holders including a tilt rod: first bevel gears respectively rotatably supported in the carriers and mounted for rotation with the tilt rod, and a second bevel gears respectively connected to the holders and respectively mounted for meshing engagement with the first bevel gears. The carriers are interconnected by special spacer bands and have special openings for receiving the cord for traversing or drawing the blind. The blind is also equipped with a simple arrangement for preventing the cord from sagging, without using an intermediate support.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.