Patent ID: 9010500
Filing Date: 2015-04-21
Classification: B60T,F16D,F16L

Abstract:
1. A bicycle hydraulic brake system comprising: a bicycle hydraulic operating mechanism including a master cylinder, an operating lever operatively coupled to the master cylinder, and a mounting structure configured to be mounted on a bicycle, the master cylinder being supported by the mounting structure and having a piston movably disposed in a master cylinder bore to move in response to operation of the operating lever; and a hydraulic brake hose having a first end and a second end, the hydraulic brake hose being filled with hydraulic fluid, the first end of the hydraulic brake hose being attached to the master cylinder with a first sealing material disposed between the first end of the hydraulic brake hose and an outlet port of the master cylinder, the sealing material blocking fluid communication between the master cylinder and the hydraulic brake hose until the first sealing material is ruptured in response to a hydraulic fluid pressure developed by movement piston in response to the operation of the operating lever.