Magnetic tilt mechanism for Venetian blinds
US5699845A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 25, 1996 |
| Grant date | Dec 23, 1997 |
| Priority date | — |
| Expiry date | Sep 25, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/2646
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tilt mechanism for use on a window blind positioned between double panes of glass has a shaft to which the tilt cords are attached. A nut with attached magnet rides on a threaded portion of the shaft and is adjacent the inside surface of one glass pane. A position slide with attached magnet is placed on the outer surface of the pane of glass opposite the nut. Movement of the position slide and magnet in one direction moves the nut in the same direction causing the shaft to rotate in a clockwise direction. Movement of the position slide and magnet in an opposite direction moves the nut in that opposite direction causing the shaft to rotate in a counterclockwise direction. Rotation of the shaft winds and unwinds the tilt cords to open and close the blind.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.