The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 06, 2000

Filed:

Mar. 03, 1998
Applicant:
Inventors:

Jun Hariu, Saitama, JP;

Masayuki Fujita, Saitama, JP;

Masahiro Yoshida, Saitama, JP;

Norihisa Ishii, Saitama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B62L / ;
U.S. Cl.
CPC ...
303-961 ; 188344 ; 1881 / ; 188349 ; 303-964 ; 303D / ;
Abstract

Piping associated with interlocked brakes for front and rear wheel brakes is to be simplified to improve maintainability and provide a brake system suitable particularly for a two-wheeled motor vehicle satisfying racing specifications. A braking system includes hydraulic brakes with three hydraulic systems which are a lever hydraulic system for a front wheel brake, an interlocked hydraulic system for a rear wheel brake and a pedal hydraulic system. A pressure sensor detects a hydraulic pressure in the lever hydraulic system and outputs the detected signal to a control unit in the interlocked hydraulic system through an electric wire. The control unit controls the operation of a motor, thereby causing a hydraulic pressure to be developed in a submaster cylinder, which hydraulic pressure is fed to the rear wheel brake through a control valve. On the other hand, the pedal hydraulic system has a piping independent of that of the interlocked hydraulic system and supplies a hydraulic pressure generated in a master cylinder for the rear wheel brake by operation of a brake pedal to the rear wheel brake through a route separate from the interlocked hydraulic system.


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