IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0606538
(1996-02-23)
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발명자
/ 주소 |
- Hess Kevin (Mt. Prospect IL)
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출원인 / 주소 |
- The Pampered Chef, Ltd. (Addison IL 02)
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인용정보 |
피인용 횟수 :
32 인용 특허 :
0 |
초록
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A combination mixing pitcher having a mixer subassembly that incorporates an impeller which is reciprocally longitudinally slidably movable but not rotatable within the pitcher. The impeller is fixed to one end of a plunger rod that reciprocates slidably through a matingly engagable axial channel in
A combination mixing pitcher having a mixer subassembly that incorporates an impeller which is reciprocally longitudinally slidably movable but not rotatable within the pitcher. The impeller is fixed to one end of a plunger rod that reciprocates slidably through a matingly engagable axial channel in a lid that peripherally closes the pitcher mouth. The impeller employs a plurality of flat, radially pitched, fan shaped blades that are in radially equally spaced relationship to each other and that extend between a central hub and a peripheral polygonally configured rim. The mixer subassembly maximizes mixing of a liquid in the pitcher with a minimum of time and energy and with no spillage.
대표청구항
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A mixing pitcher comprising: (A) a cross-sectionally generally circular pitcher having longitudinally uniform sidewalls, a closed bottom, an upwardly opening mouth opposed to said bottom, spout means adjacent said mouth, and pitcher handle means; (B) a mixer subassembly that is disassociatively asso
A mixing pitcher comprising: (A) a cross-sectionally generally circular pitcher having longitudinally uniform sidewalls, a closed bottom, an upwardly opening mouth opposed to said bottom, spout means adjacent said mouth, and pitcher handle means; (B) a mixer subassembly that is disassociatively associatable with said pitcher, said mixer subassembly comprising in combination: (1) lid means sealingly engagable with said mouth, said lid means comprising a mouth cover portion and a circumferentially extending, downturned, integrally formed lid flange portion which is receivable through said mouth and whose circumferential outside terminal wall portions are adapted to make sealing engagement with radially adjacent circumferential inside wall portions of said pitcher that are longitudinally adjacent to said mouth except in the region of said spout means; (2) a liquid-deflecting impeller comprising: (a) a hub, (b) a polygonally sided rim whose maximum outside diameter is less than the minimum inside diameter of said pitcher, (c) a plurality of individually generally flat, radially pitched, fan-shaped blades, each blade having opposed, spaced, parallel top and bottom side faces and circumferentially spaced, generally radially extending side edges, each said blade having a constant pitch across surfaces of said side faces, and each blade being positioned between said hub and said rim, said blades being in radially equally spaced but non-overlapping adjacent relationship to each other along said radially extending side edges of respective adjacent blades whereby, in one circumferential direction, each said blade has a circumferentially extending outer edge portion, a trailing upper radial side edge and a leading lower radial side edge so that said trailing upper radial edge of each said blade is circumferentially adjacent to, but vertically displaced from, said leading lower radial edge of the next adjacent said blade, (d) said circumferentially extending outer edge portion of each said blade being integrally associated with a single side of said polygonally sided rim so that the number of said rim sides is equal to the number of said blades, and (e) portions of each said blade adjacent to said leading lower radial side edge thereof being beveled; (3) a plunger rod having cross-sectionally a generally plus-type configuration, one end of said rod being fixed axially to said hub, and the opposite end of said rod having rod handle means; and (4) said lid means further having an axially located channel defined through said mouth cover portion through which said plunger rod is reciprocally slidably movable, the interrelationship between said channel and said plunger rod being such that said plunger rod is non-rotatable and reciprocally movably longitudinally relative to said lid means; (C) said lid flange having defined therein a first discontinuity which is generally positionable radially adjacent to said spout means so that, when said lid means is associated with said pitcher over said mouth, liquid being dispensed from said mixing pitcher through said spout means flows through said first discontinuity; (D) said plunger rod and said rod handle means are integrally formed and said rod handle means has a bottom configuration that is cooperatively receivable in, and engagable with, a central depression defined in said mouth cover portion when said impeller is adjacent said bottom; whereby, when said lid means is sealingly engaged with said mouth, said impeller is reciprocally movable longitudinally in said pitcher by said rod handle means.
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