Blender having bi-directionally rotatable blades
US11779163B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2021 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Oct 21, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J43/0722
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A blender having bi-directionally rotatable blades includes: a blade assembly including a main blade shaft that is provided to allow a first blade and a first main coupler to integrally rotate in a forward direction and a reverse-rotation blade shaft that is provided to allow a second blade and a first reverse-rotation coupler to integrally rotate in a reverse direction; and a gearbox assembly including a main gear shaft that is provided to allow a second main coupler and a main gear to rotate in the forward direction, at least one sub-gear that is engaged with the main gear and rotates in the reverse direction, a ring gear to which the sub-gear is internal and engaged, and a second reverse-rotation coupler that is configured to integrally rotate with the ring gear in the reverse direction and transmit the reverse rotation to the first reverse-rotation coupler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.