IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0426413
(2006-06-26)
|
등록번호 |
US-7766540
(2010-08-24)
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발명자
/ 주소 |
- Saunders, Craig M
- Tilk, Jason G
|
출원인 / 주소 |
- Nottingham-Spirk Design Associates, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
16 |
초록
A kitchen blender provides improved efficiency of mixing and cleaning by positioning the motor and electrical components in an enclosed top component which mounts snuggly into a pitcher with a smooth, easily cleaned interior surface and an enlarged base.
대표청구항
▼
The invention claimed is: 1. A kitchen blender comprising a pitcher having a closed bottom, an open top, and a central vertical axis; a removable rotatable tool comprising a shaft having an axis and at least one agitator, said tool axis being offset from said pitcher central vertical axis wherein s
The invention claimed is: 1. A kitchen blender comprising a pitcher having a closed bottom, an open top, and a central vertical axis; a removable rotatable tool comprising a shaft having an axis and at least one agitator, said tool axis being offset from said pitcher central vertical axis wherein said tool is mounted in said blender; a top having a housing, an outer surface, a downwardly facing portion adapted to engage said pitcher open top, a tool mount releasably accepting said tool, said removable rotatable tool extending from said downwardly facing portion when held in said mount, a power cord, a motor contained within said top housing and a manually operable operating switch and at least one manually operable hold down switch, both said operating switch and said at least one hold down switch being positional in said top outer surface, said switches selectively providing utility current from said power cord to said motor and rotating said tool only when both said operating switch and at least one of said at least one hold down switch are actuated; and, said pitcher having a flat bottom with a base extending downwardly and outwardly providing an enlarged footprint and mass distributed about said flat bottom providing stability. 2. The blender of claim 1 wherein said to downwardly facing portion includes a downwardly extending portion adapted to extend into said pitcher open top. 3. The blender of claim 2 wherein said pitcher has at least one side wall having an interior surface and said top downwardly extending portion has at least one side wall having an exterior surface, said exterior surface proximate to said interior surface when said top is engaged with said pitcher. 4. The blender of claim 3 wherein said pitcher has a spout comprising a portion of said pitcher side wall adjacent said pitcher top extending outwardly from said pitcher; and, said top downwardly extending portion is adapted to extend sufficiently within said pitcher such that said exterior surface is proximate to said pitcher interior surface below said spout. 5. The blender of claim 1 wherein said pitcher has a smooth interior surface without holes. 6. The blender of claim 1 wherein said pitcher has a handle which extends from an exterior side wall. 7. The blender of claim 6 where said handle has an upwardly facing alignment member and said top has a downwardly facing alignment member adapted to engage said upwardly facing alignment member when said top is engaged with said pitcher in a preferred alignment. 8. The blender of claim 7 wherein, when said top is assembled to said pitcher, said top has a center of mass on the side of said pitcher central vertical axis adjacent said handle. 9. The blender of claim 8 wherein said motor is disposed above said tool and said tool is adapted to extend downwardly into said pitcher between said pitcher central vertical axis and said handle. 10. The blender of claim 8 wherein said top, when mounted on said pitcher, extends over said handle. 11. The blender of claim 1 further comprising a mounting detector detecting when said top is mounted on said pitcher and enabling operation of said motor if and only if said top is mounted on said pitcher. 12. The blender of claim 11 wherein said detector comprises a sensor on said top and a sensed element on said pitcher. 13. The blender of claim 1 further comprising a removable cap adapted to close said pitcher when said blender top is removed. 14. A kitchen blender comprising: a pitcher having a closed bottom, an open top, and a central vertical axis, said pitcher having a flat bottom with a base extending downwardly and outwardly providing an enlarged footprint and mass distributed about said flat bottom providing stability; a removable rotatable tool comprising a shaft and an agitator; and, a top having a housing, an outer surface, a downwardly facing portion adapted to engage said pitcher open top, a tool mount releasably accepting said tool, said removable rotatable tool extending from said downwardly facing portion, a power cord, a motor contained within said top housing adapted to rotate said tool, a manually operable operating switch in said top controlling flow of utility current from said power cord to said motor, said tool shaft being offset from said central vertical axis of said pitcher, said top additionally comprises at least one manually actuated hold down switch at least one of which must be actuated along with said operating switch to energize said motor, said operating switch and said at least one hold down switch being located in said outer surface. 15. The blender of claim 14 further comprises at least one mounting detector switch detecting if said top is mounted on said pitcher and enabling operation of said motor if and only if said top is mounted on said pitcher. 16. The blender of claim 15 wherein said top has a center and two mounting detector switches and said mounting detector switches are disposed on opposite sides of said center. 17. The blender of claim 16 wherein said pitcher has a handle and said mounting detector switches are positioned in said top such that said motor will be enable only when one of said mounting detector switches is adjacent said handle and the other of said mounting detector switches is remote from said handle. 18. The blender of claim 17 wherein said top has two hold down switches, one adjacent each mounting detector. 19. The blender of claim 18 wherein said hold down switches and said operating switch are on all momentary contact switches and said blender will operate only when said operating switch and one of said hold down switches are both depressed. 20. The kitchen blender of claim 14 wherein said pitcher has an enlarged base extending downwardly and outwardly providing an enlarged footprint for said pitcher. 21. A blender comprising: a mixing vessel having a closed bottom, an open top, a central vertical axis and a base enlarged when compared to the portion of the mixing vessel immediately above said base, said base providing said mixing vessel with an enlarged footprint; a removable rotatable tool having a shaft and an agitator; and, a top having a housing, an outer surface, a downwardly facing portion adapted to engage and close said mixing vessel open top, a tool mount releasably accepting said removable rotatable tool with said tool extending from said downwardly facing portion with its shaft offset from the central vertical axis of said mixing vessel, a motor contained within said top housing adapted to rotate said tool, a manually operable operating switch and at least one manually operable hold down switch, both said operating switch and said at least one hold down switch being positional in said top outer surface, said switches selectively providing current to said motor and rotating said tool only when both said operating switch and at least one of said at least one hold down switch are actuated such that ingredients within said mixing vessel are blended with the top surface of said ingredients being higher at the side of said blender close to said tool shaft and lower at the side of said blender remote from said tool shaft.
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