Solid material comminution or disintegration – Apparatus – Comminuting elements
Reexamination Certificate
2003-04-16
2004-12-28
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
Comminuting elements
C099S278000, C099S314000, C241S282200
Reexamination Certificate
active
06834818
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention relates to a food processor blade, particularly to one possible to cut, stir and churn vegetables, fruits, etc. into juice or nuts such as coffee beans, peanut, etc. into very minute bits or powder.
2. Description of the Prior Art
A common conventional food processor
1
shown in
FIG. 1
includes a container
10
with an upper opening, a blade
11
fixed on a bottom of the container
10
, a base
12
provided under the container
10
with a motor, a related electric circuit, etc. arranged therein. Then the blade
11
is rotated to cut stir and churn food put in the container
10
into juice, minute bits or powder. The conventional food processor has its blade ends
11
bending upward and curving down for cutting, stirring and churning vegetables or fruits into juice or minute bits, but its stirring or churning action is not complete as to leave comparative much big residue. If food is cut, stirred and churned for a long time, the vitamins in the food may be lost. As to hard nuts, they can only be cut into comparatively big particles, needing other grinding appliances to grind into minute particles or powder before they can be boiled or cooked.
SUMMARY OF THE INVENTION
This invention has been devised to offer a food processor blade unit for cutting, stirring, and churning vegetables and fruits into juice, or nuts such as coffee beans, peanuts, etc. into minute bits or powder.
The feature of the invention is a blade unit consisting of an upper blade and a lower blade fixed on a shaft. The upper blade has two side sections respectively bending upward, and each section divided into a first stage, a second stage and a third stage all differently angled, and the lower blade has two side sections of a first level section and a second sloped section with an end section.
REFERENCES:
patent: 2771111 (1956-11-01), Seyfried
patent: 3785579 (1974-01-01), Voglesonger
patent: 4101082 (1978-07-01), Mayer et al.
patent: 4272031 (1981-06-01), Jines
patent: 6092922 (2000-07-01), Kett et al.
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