Ball screw for a motor vehicle brake and a motor vehicle brake
AssigneeLucas Automotive GmbH
InventorsWilfried Giering, Benedikt Ohlig
Life of this patent
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Abstract
The invention relates to a ball screw for a motor vehicle brake, in particular for an electromechanically actuable motor vehicle brake, comprising a rotatable spindle, a nut that is axially movable relative to the spindle in accordance with the rotation thereof and rolling body arrangement that is disposed between, and displaceable relative to, the spindle and the nut. In this ball screw it is provided that the rolling body arrangement is preloaded into a predetermined normal position by means of at least one spring element. The invention further relates to a vehicle brake having such a ball screw.
Claims19
Ball screw for a motor vehicle brake comprising:
- a rotatable spindle,
- a nut that is axially movable relative to the spindle in accordance with the rotation thereof, and
- a rolling body arrangement that is disposed between, and displaceable relative to, the spindle and the nut,
- wherein the rolling body arrangement is preloaded into a predetermined normal position by means of at least one spring element disposed outside of the rolling body arrangement,
- wherein the at least one spring element is disposed inside the spindle and is fastened at one end thereto,
- further including a thrust piece, which interacts with the rolling body arrangement and upon which the spring element acts, and
- wherein the thrust piece is of a bush-like construction and is accommodated in a locating opening in the spindle.
Ball screw for a motor vehicle brake comprising:
- a rotatable spindle,
- a nut that is axially movable relative to the spindle in accordance with the rotation thereof, and
- a rolling body arrangement that is disposed between, and displaceable relative to, the spindle and the nut,
- wherein the rolling body arrangement is preloaded into a predetermined normal position by means of at least one spring element disposed outside of the rolling body arrangement,
- wherein the at least one spring element is disposed inside the spindle and is fastened at one end thereto, and
- wherein the spindle is connected in a rotationally fixed manner to a threaded bush having track grooves for the rolling body arrangement.
Dependencies are inferred from the claim text.