High efficiency roller shade
US8299734B2 · kind B2 · utility
68Cited by
84References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 2010 |
| Grant date | Oct 30, 2012 |
| Priority date | — |
| Expiry date | Apr 24, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P31/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention advantageously provides a motorized roller shade that includes a shade tube, a motor/controller unit and a power supply unit. The motor/controller unit is disposed within the shade tube, and includes a bearing, rotatably coupled to a support shaft, and a DC gear motor. The output shaft of the DC gear motor is coupled to the support shaft such that the output shaft and the support shaft do not rotate when the support shaft is attached to the mounting bracket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.