Electrically operated parking brake apparatus

Details Electrically operated parking brake apparatus Electrically operated parking brake apparatus

B - Operations, Transporting

60

T

B60T 13/74 (2006.01) B60T 7/02 (2006.01) B60T 13/02 (2006.01)

Patent

CA 2369338

An electrically operated parking brake apparatus that includes a ball screw mechanism driven by an electric motor so as to move a nut member along a screw-threaded shaft. Two Bowden cables, for example, are connected to left and right ends of an equalizer supported on the nut member via an upper support shaft and a lower support shaft for transmitting brake operation force to wheel brakes. Since an axis of the upper and lower support shafts provided at positions-facing each other across the screw-treaded shaft for swingably supporting the equalizer on the nut member passes through the center of the screw-threaded shaft, and a line connecting portion where the pair of Bowden cables are connected to the equalizer passes through the center of the screw-threaded shaft, the application of an unbalanced load to the screw-threaded shaft is prevented.

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