Device for converting a rotating motion into a reciprocating motion and an electric mascara applicator assembly having such a device
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United States of America Patent
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Jun 12, 2018
Issued Date -
N/A
app pub date -
Apr 10, 2013
filing date -
Apr 12, 2012
priority date (Note) -
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Abstract
A device for converting a rotating motion into a reciprocating motion comprises a motor having a rotatable motor shaft carrying cylindrical component, an embedded cam groove of the cylindrical component, a rod component constrained to travel back and forth and forth, and a cam follower carried on the rod component. The cam follower is engaged in the embedded cam groove track of the cylindrical component so that as the rotatable motor shaft rotates, the cam follower transmits the movement dictated by the embedded cam groove track profile thereby causing the rod component to travel back and forth once for each rotation of rotatable motor shaft. There is also disclosed a mascara applicator assembly; a first electric toothbrush assembly; and a second electric toothbrush assembly comprising such a device.
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