Hand blender for mixing or comminuting foodstuffs with an air supply structure
US5810472A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 1997 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Jul 24, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J43/0711
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A hand blender powered by an electric motor, for mixing or comminuting foodstuffs in a container, includes a working shaft having an output end, a processing tool attached to the output end of the working shaft, a shaft housing which carries the working shaft, and a bell-shaped casing enclosing the processing tool. The bell-shaped casing has a lower chamber, a lower end bounded by an aperture, and a plurality of lateral openings for the discharge of foodstuffs. A cover plate within the bell-shaped casing forms a fluid-tight seal between the lower chamber and an inner chamber of the shaft housing. The hand blender also includes an air supply structure through which outside air is supplied to the lower chamber of the bell-shaped casing when the bell-shaped casing is immersed in the foodstuffs. The air supply structure includes a flow channel with an inlet side which communicates with the outside air and an outlet side which communicates with the lower chamber of the bell-shaped casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.