Disabling device for window treatment
US8695680B2 · kind B2 · utility
5Cited by
41References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 20, 2011 |
| Grant date | Apr 15, 2014 |
| Priority date | — |
| Expiry date | Feb 6, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16H2007/0893
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A device for disabling a window treatment operated by a cord includes at least one member with a gear engaging the cord. When the cord is not tensioned correctly, the gear of the member intermeshes with teeth on another member impeding movement of the cord along its length. In one embodiment, two gears engage different sections of the cord and intermesh with each other. In another embodiment, a stationary member intermeshes with the gear of member selectively pivoted by the cord in accordance with the tension on the cord.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.