Device for rotating a toothed wheel

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11428298
APP PUB NO 20190277376A1
SERIAL NO

16286653

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Abstract

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A device for rotating a toothed wheel, including a linear piezoelectric motor including: a passive element having an elongated shape, a piezoelectric actuator capable of axially moving the passive element in a bidirectional manner, a transmission member fastened to the passive element, meshing with a toothing of the wheel in such a way as to rotate the wheel by one tooth in a first direction of rotation when the passive element is moved axially in a first direction of movement, a jumper mobile between two end positions, including a lowered position in which it blocks a rotation of the wheel in a second direction of rotation opposite to the first direction of rotation.

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Patent Owner(s)

Patent OwnerAddress
ETA SA MANUFACTURE HORLOGERE SUISSEGRENCHEN GRENCHEN SOLOTHURN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lagorgette, Pascal Bienne, CH 67 296
Meyer, Pascal Neuchatel, CH 29 84

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