Position lock for roller supported architectural coverings
US9963935B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2013 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Mar 15, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2009/2627
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A covering for architectural openings including a roller, a shade wrapped around the roller, the shade extendable from the roller when the roller rotates in a first direction, and retractable onto the roller when the roller rotates in a second direction. The covering also includes a retraction mechanism operably associated with the roller for biasing the roller in a direction to retract the shade and a positioning device operably engaging the roller for selectively holding the shade at a selected extension location and selectively releasing the shade for additional extension or retraction. The positioning device is actuated to hold the shade at the selected extension position by movement of the shade in either the extension or retraction direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.