Wand attachments for hand-held electric blenders
US9113752B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2010 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Nov 3, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J2043/04427
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A wand-like tool (20) for a hand blender comprises an elongate, tubular housing (22) containing a rotatable drive shaft (23). The tool is adapted at one end to permit the shaft (23) to pick up rotary drive from a hand-held driver unit, and carries a foodstuff-processing head at its other end; the processing head comprising a bladed member (26), coupled to the shaft (23) and having at least three blades (32a, 32b, 32c). The bladed member rotates within a processor head housing (27) having a tubular side-wall (30) formed with a roof (36) where the processor head housing (27) joins the tubular shaft housing (22) and being open at its opposite end, and the internal surface (38) of the side-wall (30) bears protrusions (40) facing the tips of the blades (32a, 32b, 32c). Each protrusion (40) presents a respective bluff body to foodstuffs flowing past it. In some embodiments of the invention, the side-wall (30) is castellated (44, 46) and the protrusions (40) are formed only in non-castellated regions of said side-wall (30). In a preferred embodiment, the shaft housing (22) is formed of metal, such as stainless steel, whereas the head housing (27) is of plastics material, thereby to permit…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.