Food processor

Patent metadata

Field	Value
Publication number	US-9357883-B2
Application number	US-201314077858-A
Country	US
Kind code	B2
Filing date	Nov 12, 2013
Priority date	Nov 12, 2012
Publication date	Jun 7, 2016
Grant date	Jun 7, 2016

Abstract

A food processor includes a base, a processing box and at least a cutter. The base is disposed with a motor inside, the motor is disposed with a rotating shaft; the processing box is assembled to the base and is disposed with a charging opening and a discharging opening. The cutter rotates synchronously with the rotating shaft of the motor, the cutter is assembled inside the processing box and is disposed with a cutter dish with several dropping grooves and several blades fixed on the cutter dish, the blade has several sets of cutter teeth arranged side by side, each set of cutter teeth has at least a large cutter tooth and at least a small cutter tooth.

First claim

What is claimed is:

1. A food processor comprising:
a base ( 100 ), which is disposed with a motor ( 110 ) inside, the motor ( 110 ) is disposed with a rotating shaft;
a processing box ( 200 ), which is assembled to the base ( 100 ) and is disposed with a charging opening ( 210 ) and a discharging opening ( 220 ); and
at least one cutter ( 300 ), which rotates synchronously with the rotating shaft of the motor ( 110 ),
the cutter ( 300 ) is assembled inside the processing box ( 200 ) and is disposed with a cutter dish ( 310 ) with a plurality of grooves ( 311 ), respectively adjacent to a plurality of blades ( 320 ) fixed on the cutter dish ( 310 ),
each of the plurality of blades ( 320 ) is provided with a plurality of sets of cutter teeth arranged side by side,
each set of cutter teeth has at least a large cutter tooth ( 321 ) and at least a small cutter tooth ( 322 ).

2. A food processor according to claim 1 , wherein
the plurality of grooves ( 311 ) pass through the cutter dish ( 310 ) from up to down and the number thereof is the same as the plurality of blades ( 320 ),
the plurality of grooves ( 311 ) are arranged in an annular,
each of the plurality of blades ( 320 ) comprises an assembly portion ( 330 ) coupled to the cutter dish ( 310 ) and a cutter portion ( 340 ) fixed to the assembly portion ( 330 ),
the plurality of sets of cutter teeth are disposed in the upper end of the cutter portion ( 340 ),
each of the plurality of grooves ( 311 ) has two sides, the left side and the right side,
the lower end of each of the cutter portions ( 340 ) is extended into each said plurality of grooves ( 311 ) and is coupled to contact on the left side of each said plurality of grooves ( 311 ),
the upper end of the cutter portion ( 340 ) is extended out of the assembly portion ( 330 ).

3. A food processor according to claim 2 , wherein the left side of each said plurality of grooves ( 311 ) is an inclined surface,
an intersection angle α of the inclined surface and a vertical line of the assembly portion ranges from 20 to 30 degrees.

4. A food processor according to claim 3 , wherein the intersection angle α of the inclined surface of each said plurality of grooves ( 311 ) and the vertical line of the assembly portion is 22.5 degree.

5. A food processor according to claim 2 , wherein
a dropping opening is formed between each said plurality of grooves ( 311 ) and the top surface of the cutter dish ( 310 ),
the distance b of the left side and the right side of the dropping opening ranges from 2.5 to 6.5 mm.

6. A food processor according to claim 2 , wherein
the right side of each said plurality of grooves ( 311 ) is disposed with teeth convex-concave structure ( 350 ),
the concave portions of the convex-concave structure ( 350 ) are corresponding to part or whole of the plurality of sets of cutter teeth one by one.

7. A food processor according to claim 1 , wherein
the height of the large cutter tooth ( 321 ) is different from that of the small cutter tooth ( 322 ),
the distance between the left side and the right side of the large cutter tooth ( 321 ) is different from that of the small cutter tooth ( 322 )
and/or the distance between the front side and back side of the large cutter tooth ( 321 ) is different from that of the small cutter tooth ( 322 ).

8. A food processor according to claim 1 , wherein
each set of cutter teeth has a large cutter tooth ( 321 ) and
a small cutter tooth ( 322 ), or two large cutter teeth ( 321 ) and
two small cutter teeth ( 322 ) or three large cutter teeth ( 321 ) and three cutter teeth ( 322 ) in order.

9. A food processor according to claim 1 , wherein the large cutter teeth have a trapezoid and three sides of a triangle, and the small cutter teeth have a rectangle and a triangle.

10. A food processor according to claim 1 , wherein the cutter dish ( 310 ) has a shaft sleeve ( 370 ) and an annular wall ( 380 ) extended from the top end face of the shaft sleeve ( 370 ), each said plurality of grooves ( 311 ) is disposed on the wall ( 380 ), and the blades ( 320 ) are assembled on the wall ( 380 ), the diameter of the wall ( 380 ) gradually tapers from up to down.

11. A food processor according to claim 1 , wherein the processing box ( 200 ) comprises
a lower box ( 280 ),
a central cover ( 291 ) with an opening and an upper box ( 290 ) covering the lower box ( 280 ) and situated on the central cover ( 291 ),
an accommodating room ( 293 ) is formed between the central cover ( 291 ) and the lower box ( 280 ), the internal periphery of the lower box ( 280 ) is a vertical surface,
the upper portion and the lower portion of the external periphery of the central cover ( 291 ) are contacted tightly with the lower box ( 280 ),
the central portion of the external periphery of the central cover ( 291 ) is hollow to be a cavity ( 294 ),
the charging opening ( 210 ) is disposed in the upper box ( 290 ) and corresponding to the opening of the central cover ( 291 ),
the discharging opening ( 220 ) is disposed in the lower box ( 280 ),
the cutter ( 300 ) is assembled inside the accommodating room ( 293 ) formed between the central cover ( 291 ) and the lower box ( 280 ).

12. A food processor according to claim 11 , wherein the external periphery of the central cover ( 291 ) is disposed with at least an annular protruding portion ( 292 ).

13. A food processor comprising:
a base, which is disposed with a motor inside,
the motor is disposed with a rotating shaft;
a processing box, which is assembled to the base and is disposed with a charging opening and a discharging opening; and
at least one cutter, which rotates synchronously with the rotating shaft of the motor,
the cutter is assembled inside the processing box and is disposed with a cutter dish with a plurality of grooves, respectively adjacent to a plurality of blades fixed on the cutter dish,
a each of the plurality of blades is provided with a plurality of sets of cutter teeth arranged side by side,
wherein
each set of cutter teeth has
either a large cutter tooth and a small cutter tooth,
or two large cutter teeth and two small cutter teeth,
or three large cutter teeth and three cutter teeth in order.

Assignees

• Tsann Kuen Zhangzhou Entpr Co

Inventors

• Lee Hei-Wang
• Lin Chieh-Wen
• Zhang Wenxia

Classifications

• A47J43/046

  with tools driven from the bottom side · CPC title

• A47J43/00

  Implements for preparing or holding food, not provided for in other groups of this subclass · CPC title

• A47J43/0722 Primary

  Mixing, whipping or cutting tools · CPC title