Operating force transmission device for a brake

摘要

An operating force transmission device for a brake which transmits an input operating force applied to a brake lever to operating members of the brake through a control cable formed of an inner wire disposed within an outer sheath and interconnecting the brake. The device includes a housing, a receiving member supported movably relative to the housing and adapted to retain thereto one of the inner wire and the outer sheath of the control cable. A control spring is provided for deflecting in response to a braking force output of the operating members of the brake in excess of a predetermined magnitude to enable the receiving member to move relative to the housing when the predetermined braking force output magnitude is exceeded. This reduces the magnitude of a further braking force output of the operating members of the brake with respect to the magnitude of the input operating force applied to the brake lever and transmitted to the operating members of the brake. An adjuster is provided to adjust the spring force of the control spring to change the predetermined braking force output magnitude at which the control spring deflects to enable the receiving member to move relative to the housing.