Window shade operator
US5186229A · kind A · utility
17Cited by
12References
2Claims
0Family size
Inventor
Key dates
| Filing date | May 15, 1991 |
| Grant date | Feb 16, 1993 |
| Priority date | — |
| Expiry date | May 15, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/32049
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An operator for a window shade has a connection member provided with an internal detent which extends radially inwardly of a hexagonal bore in the connection member, and which is received within a locking recess in an operating rod of corresponding hexagonal cross-section to lock the rod within the connecting member upon insertion of the end of the rod into the connection member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.