Click-type applicator
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United States of America Patent
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Jun 28, 2016
Grant Date -
Dec 27, 2012
app pub date -
Mar 23, 2011
filing date -
Mar 23, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In a click-type applicator, when the propelling element is moved forwards by a clicking operation, the advancing motion is transformed into a rotary motion of a transfer cam element in one direction by the function of guide slots of the propelling element and projected parts so that when a cam portion of transfer cam element meshes with a cam portion at the rear of a rotary cam element, the rotation of the transfer cam element causes rotary cam element to rotate and thereby move the screw shaft and hence a piston forwards. On the other hand, by releasing the clicking operation, propelling element is moved backwards due to the repulsive force of a spring, and the backward motion is transformed into a rotary motion of transfer cam element in the other direction by the function of the guide slots and projected parts so as to restore the original position.
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