Brakes – Elements – Brake wheels
Reexamination Certificate
2000-09-11
2001-09-04
Butler, Douglas C. (Department: 3613)
Brakes
Elements
Brake wheels
C188S073200, C188S25100R, C188S25000B, C188S024110, C188S024130
Reexamination Certificate
active
06283257
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to a two-wheeled vehicle, and more particularly to a disc brake of the two-wheeled vehicle.
2. Description of Related Art
The conventional disc brake of a two-wheeled vehicle, such as a bicycle, is generally effective in slowing or stopping the bicycle in motion; nevertheless it is defective in design in that it is prone to jam the bicycle wheel in motion, especially at the time when the bicycle is cruising at a high speed. The jamming of the bicycle wheel in motion can result in the overturn of the bicycle. In addition, the constant friction between the friction pads of the disc brake and the surface of the disc rotating along with the bicycle wheel causes wear of the disc, thereby shortening the service life span of the disc brake.
BRIEF SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a disc brake which is designed for use in a two-wheeled vehicle and is free from the deficiencies of the conventional disc brake described above.
In keeping with the principle of the present invention, the foregoing objective of the present invention is attained by a disc brake which is designed for use in a two-wheeled vehicle and is formed of a disc and two friction pads. The disc is provided in the surfaces with a stopping area. The friction pads are provided with a friction surface corresponding in location to the stopping area of the disc.
The features and the advantages of the present invention will be more readily understood upon a thoughtful deliberation of the following detailed description of a preferred embodiment of the present invention with reference to the accompanying drawings.
REFERENCES:
patent: 3042168 (1962-07-01), Binder
patent: 3433327 (1969-03-01), Regis
patent: 3712428 (1973-01-01), Marih
patent: 3732951 (1973-05-01), Hata et al.
patent: 4600090 (1986-07-01), Feldman et al.
patent: 5934418 (1999-08-01), Wirth
patent: 6065812 (2000-05-01), Lee
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