Umbrella drawing-in by winding
US10743626B2 · kind B2 · utility
1Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 2018 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Apr 27, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA45B2025/003
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
An umbrella drawing-in by winding includes an umbrella fabric, a frame, a shaft and retracting assemblies. The frame includes a notch, a runner and a rib support set. A top end of the rib support set is secured at a top end of the shaft via the notch. A bottom end of the rib support set is secured on the shaft via the runner. The umbrella fabric has folds and is secured on the frame. The retracting assemblies are secured on one side of the folds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.