Bicycle brake assembly

• Main Author: Nago, Daisuke
• Format: Patent
• Language: English; French; German
• Published: 09.05.2018
• Subjects: BRAKES SPECIALLY ADAPTED FOR CYCLES; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; PERFORMING OPERATIONS; TRANSPORTING

The present invention is directed to various features of a bicycle brake device. A bicycle brake apparatus comprises a first brake arm including a first brake arm mounting portion for pivotably mounting the brake arm to a bicycle frame member to pivot around a first pivot axis of a first pivot axle and a first control interface portion; a second brake arm including a second brake arm mounting portion for pivotably mounting the brake arm to a bicycle frame member to pivot around a second pivot axis of a second pivot axle and a second control interface portion. A piston unit is provided including a housing with a fluid chamber, wherein the housing has a first axial end and a second axial end, a piston movably disposed within the chamber, and an output shaft coupled to the piston and extending from the first axial end of the housing. The first control interface portion of the first brake arm is coupled to the output shaft; and the second control interface portion of the second brake arm is coupled to the housing between the first axial end of the housing and the second axial end of the housing.