Patent ID: 7014017
Filing Date: 2006-03-21
Classification: B60T

Abstract:
1. An actuating assembly for an electronic parking brake comprising, in combination: a housing; a motor positioned within and secured to the housing and having an output shaft; a cable assembly rotatably driven by the motor; a cable anchored at a first end to the cable assembly, the cable wrapping around the cable assembly as the cable assembly rotates in a first direction; a first spring secured to the cable assembly such that the first spring is rotatable with the cable assembly; a drum receiving the first spring, the first spring engageable with an interior surface of the drum to prevent rotation of the cable assembly, a plurality of grooves formed on a surface of the drum; at least one roller element, each roller element positioned in a groove of the drum; and a spring housing receiving the drum and secured to the housing, the spring housing having a plurality of apertures, each aperture receiving a roller element.