Importance

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Abstract

An electric thrusting unit for a disc brake with an electric parking mechanism includes a worm reduction gear and a thrust generation mechanism. The thrust generation mechanism converts rotational movement transmitted by way of the worm reduction gear into linear movement. A worm wheel of the worm reduction gear is supported on the thrust generation mechanism concentrically with a rotational member of the thrust generation mechanism. A drive side gearwheel and a driven side gearwheel are meshed with an output shaft of the electric motor directly or by way of an additional gearwheel so as to transmit a rotational force of the output shaft to the worm. The drive side gearwheel is provided concentrically with the output shaft and so as to rotate together therewith. The driven side gearwheel is provided on a part of the worm concentrically with the worm and so as to rotate together therewith.

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First Claim