Recirculating ball gear

摘要

A recirculating ball gear, in particular for a steering system of a motor vehicle, comprises a nut, which is mounted in a housing by way of a bearing, wherein at least one spring element is disposed on each end face of the bearing between the bearing and the housing. During operation, the recirculating ball gear is exposed to impact in the axial direction, whereby the gear may become damaged over time and annoying rattling noise may develop in the recirculating ball gear. The spring elements are thus operated in the progressive area of characteristic curve.

主权项

1. A recirculating ball gear for a steering system of a motor vehicle, comprising:
a nut, which is mounted in a housing by way of a bearing; at least one spring element disposed on each end face of the bearing between the bearing and a stop element; and wherein the at least one spring element disposed on each end face is operated exclusively in a progressive area of a characteristic curve for said at least one spring element; and wherein a preload travel and a preload force of said at least one spring are selected to correspond to a vicinity of a transition along the characteristic curve after which the characteristic curve rises steeply.