Patent ID: 6662909
Filing Date: 2003-12-16
Classification: B60T

Abstract:
A parking brake apparatus, comprising:a pair of transmission members for transmitting a brake operating force to wheel brakes; an electric motor; a screw mechanism including a screw-threaded shaft adapted to be rotationally driven by said electric motor, and a nut member meshing with said screw-threaded shaft, said nut member being movable along said screw-threaded shaft by the rotation of said screw-threaded shaft; an equalizer having connecting portions connecting said pair of transmission members; and a pair of support shafts disposed at positions facing each other across said screw-threaded shaft for swingably supporting said equalizer on said nut member, wherein a common longitudinal axis of said pair of support shafts substantially passes through a center of said screw-threaded shaft, and a line connecting said connecting portions of said equalizer substantially passes through the center of said screw-threaded shaft.