IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0707690
(2007-02-16)
|
등록번호 |
US-7641380
(2010-02-11)
|
발명자
/ 주소 |
- Behar, Moises
- Spencer, Joseph
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출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
43 인용 특허 :
25 |
초록
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A blade assembly suited for both blending and food processing in small throat blender jars is provided. The blade assembly comprises a plurality of blade forms each designed to perform a specific blending or processing task while simultaneously working together and with the geometric restrictions of
A blade assembly suited for both blending and food processing in small throat blender jars is provided. The blade assembly comprises a plurality of blade forms each designed to perform a specific blending or processing task while simultaneously working together and with the geometric restrictions of the jar to optimize the assembly's capability to crush ice, blend or mix liquids and/or semi-solid materials, and to chop, cut, or slice solid food items without the need for user interaction to clear compacted items from the blades and/or the walls or bottom of the jar during its operation. The improved performance also serves the beneficial side effect of improved bearing and motor life in the blender/food processor.
대표청구항
▼
The invention claimed is: 1. A blade assembly suited to use in a small throat blender jar, comprising: a base having an integrally formed, centrally located hollow post extending from one surface thereof; a collared rotating shaft having a first end and a second end, the shaft removably mounted wit
The invention claimed is: 1. A blade assembly suited to use in a small throat blender jar, comprising: a base having an integrally formed, centrally located hollow post extending from one surface thereof; a collared rotating shaft having a first end and a second end, the shaft removably mounted within the post; a blade stack secured to the first end of the rotating shaft, the second end suited for securement to a means for driving the rotating shaft, and wherein the blade stack comprises a top blade form, middle blade form, and bottom blade form, the middle blade form being positioned between and proximate to the top and bottom blade forms and including a central base portion and a pair of wing portions both extending at an angle upward from the central base and rearward from a center line of the central base. 2. The blade assembly of claim 1 wherein the top blade form is generally U-shaped suited for crushing ice. 3. The blade assembly of claim 1 wherein the bottom blade form is generally U-shaped suited for both liquefying and mixing, wherein the blades curve outward away from the rotating shaft. 4. The blade assembly of claim 1 wherein the the middle blade form is generally suited for chopping, cutting, and slicing solid foodstuffs. 5. The blade assembly of claim 4 wherein the upward and rearward sweep of the leading edge of the wing portions of the middle blade form generates a longer continuous-radius edge than others of the individually shaped blade forms. 6. A blade stack for use in a small throat blender jar, comprising: a generally U-shaped top blade form; a generally U-shaped bottom blade form, comprising a central base and a pair of opposed curved wing portions extending at an angle downward from the central base; and a middle blade form being positioned between and proximate to the top and bottom blade forms and comprising a central base and a pair of wing portions each extending upward at an angle from the central base, and the wing portions curving away from a center line of the central base to form a continuous-radius edge along the leading edge of the middle blade form. 7. The blade stack of claim 6 wherein the top blade form is particularly suited for crushing ice. 8. The blade stack of claim 6 wherein the bottom blade form is particularly suited for liquefying and mixing soft foods and liquids. 9. The blade stack of claim 6 wherein said middle blade form is particularly suited to chopping, cuffing, and slicing hard foods and meats. 10. The blade stack of claim 6 wherein the top, middle, and bottom blade forms are arranged so as to reduce interference by one blade form with another during operation of the blender jar. 11. The blade stack of claim 10 wherein the tip-to-tip center lines of the top blade form and the bottom blade form are offset by generally about 27.7°. 12. The blade stack of claim 10 wherein the tip-to-tip center lines of the middle blade form and the bottom blade form are offset by generally about 77°. 13. The blade stack of claim 6 wherein the angle formed by each-of the wing portions of the middle blade form and the horizontal is generally about 75°. 14. The blade stack of claim 6 wherein the angle formed by the bend line and the center line of the middle blade form is generally about 34.5°. 15. A combination blender and food processor blade assembly arranged for use in a small throat blender jar, comprising: a base; a housing for retaining a rotation means, wherein the rotation means has a first end and a second end; a blending and processing means secured to the first end of the rotation means; and wherein said blending and processing means comprises a top crushing means, middle cutting, chopping and slicing means, and bottom mixing and liquefying means, the middle cutting, chopping, and slicing means form being positioned between and proximate to the top and bottom means and comprises a generally flat central base and a pair of opposed wing portions extending upward at a first angle from the central base and curving rearward at a second angle formed by a line defining the intersection of the each wing portion with its respective end of the central base and a center line of the central base so as to form a continuous-radius edge on each wing portion. 16. The combination blade assembly of claim 15 wherein the top crushing means is generally for crushing ice, a middle cutting, chopping, and slicing means is generally for cutting, chopping, and slicing hard foodstuffs, and the bottom mixing and liquefying means is generally for mixing and liquefying soft foodstuffs and liquids. 17. The combination blade assembly of claim 16 wherein the top crushing means comprises a generally flat central base and a pair of opposed wing portions extending upward at an angle from the central base to form generally a U-shape configuration. 18. The combination blade assembly of claim 17 wherein the measured angle formed by a first wing portion of the top crushing means and the central base and the measured angle formed by a second wing portion of the top crushing means and the central base are not equal. 19. The combination blade assembly of claim 16 wherein the bottom mixing and liquefying means comprises a generally flat central base and a pair of opposed wing portions extending downward and curving outward at an angle from the central base to form generally a U-shaped configuration.
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