Motorized window shade system
US5848634A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 27, 1996 |
| Grant date | Dec 15, 1998 |
| Priority date | — |
| Expiry date | Dec 27, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/689
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An elongated reelable shade, first and second spaced support brackets removably connected to first and second and opposite ends of the elongated reelable shade for supporting the reelable shade from a fixed support, an electrical drive motor having an output shaft for rotating the elongated reelable shade around its axis to selectively reel and unreel the shade, an electrical circuit for energizing and operating the motor, the electrical circuit including a controller coupled to and controlling the operation of the drive motor, a single shade limit switch for stopping the motor when the shade reaches a fully reeled or fully extended position, and a coupler for removably coupling the output shaft of the motor to the first end of the elongated reelable shade, a single housing having the first bracket fixed thereto, the single housing containing and supporting the motor, the electrical circuit and the coupler, the coupler comprising an output driver which removably receives the first end of the shade with rotatable driving relationship.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.