Patent ID: 6533082
Filing Date: 2003-03-18
Classification: B60T

Abstract:
An electric brake assembly for tensioning a brake cable attached to a brake such that tensioning of the brake cable affects application of the brake and untensioning of the brake cable affects release of the brake, the electric brake assembly comprising, in combination:an electric motor having an output shaft; a control module coupled to the electric motor for controlling the electric motor; a transmission coupling a threaded lead screw to the output shaft of the electric motor; a drive nut having a lead screw bore threadably receiving the lead screw therein and having a cable attachment for attaching the brake cable to the drive nut, the cable attachment having a central axis offset from a central axis of the lead screw, wherein the control module controls the electric motor such that rotation of the output shaft causes motion of the transmission and rotation of the lead screw, rotation of the lead screw causes linear motion of the drive nut, and linear motion of the drive nut causes tensioning and untensioning of the brake cable; and an elongate guide shaft substantially parallel to and spaced apart from the lead screw, and wherein the drive nut has a guide shaft bore slidingly receiving the elongate guide shaft therein.