Agitating – Stirrer within stationary mixing chamber – Mounted in removable mixing chamber closure
Patent
1982-08-25
1984-07-17
Jenkins, Robert W.
Agitating
Stirrer within stationary mixing chamber
Mounted in removable mixing chamber closure
B01F 722
Patent
active
044602790
ABSTRACT:
A liquid pitcher has an integral mixer system/stirrer assembly for mixing liquids directly in the pitcher without shaking or spilling. The pitcher includes a pitcher container and a cover. The mixer itself includes one or more mixing elements mounted on a shaft that extends through an opening in the cover, on the one hand, to position and to permit positioning of the mixing element in the pitcher and, on the other hand, to help fix the shaft at a location relative to the cover and pitcher when the cover is properly placed on the pitcher. Importantly, a handle attached to the shaft outside the pitcher, when the cover is installed thereon, cooperates with the opening that secures the shaft in position and with a mating rim about the cover to guide the handle during such rotation to assure proper positioning of the shaft and mixing element and to avoid excessive wearing of various portions of the assembly during mixing operation. Preferably such rim is a convex or concave annular surface and the handle has a corresponding portion for closely fitting such rim as the handle turns about the cover.
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patent: 4359283 (1982-11-01), McClellan
Dahlberg Arthur D.
Jenkins Robert W.
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