Balance force component for cordless window shades
US11761263B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Jan 13, 2023 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Jan 13, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B9/50
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present application provides a balance force component of a cordless window shade, which relates to the technical field of window shade components. A balance force component of a cordless window shade, comprising a windows shade tube, a core tube component is respectively provided at both ends inside the window shade tube, a deceleration component is respectively provided at the outer ends of the core tube component, and the outer ends of the deceleration components are respectively provided with a mounting component, the core tube component comprises an outer bracket, a number of clamping holes are equidistantly arranged on one side of the outer bracket, both sides of the outer wall of the outer bracket are provided with limiting grooves, and the outer ends of the inner wall of the outer bracket are provided with tooth grooves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.