Window shade motor and roller assembly
US4674550A · kind A · utility
9Cited by
4References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 6, 1984 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Aug 6, 2004 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B9/90
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A window shade motor and a window shade roller assembly which is characterized by easier release and release with greater certainty, as contrasted to current construction, while having fewer parts which is based, in part, on arranging the pivot axes of the pawls closer to the center and a reduction of parts to as few as seven including a cage structure which performs several functions and which may easily be formed by progressive stamping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.