disc brake rotor
A disc brake and rotor technology, which is applied in the types of brakes, brake components, bicycle brakes, etc., can solve the problems affecting the cooling efficiency of disc brake rotors, etc., and achieve the effect of reducing weight and improving cooling efficiency
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no. 1 Embodiment approach
[0076] refer to figure 1 , the disc brake system 1 for small vehicles including bicycles will be described. In the present invention, a small vehicle refers to a vehicle having wheels driven by at least any one of human driving force and electric driving force. Here, a case where the disc brake system 1 is applied to a bicycle as a small vehicle will be described.
[0077] A bicycle disc brake system 1 includes a disc brake rotor 10 according to an embodiment of the present invention. In this embodiment, the disc brake system 1 further includes an operating device 2 such as a brake lever and a brake device 4 . In this embodiment, the disc brake system 1 is a front brake system for braking a front wheel (front wheel) WF of a bicycle.
[0078] The operating device 2 is provided, for example, on a handlebar H of a bicycle. The brake device 4 includes a brake caliper 4A and brake pads (not shown). The operating device 2 is hydraulically or mechanically connected to the brake...
no. 2 approach
[0097] The main difference between the disc brake rotor 10 of the second embodiment and the disc brake rotor 10 of the first embodiment is the relationship between the pair of first through holes 26 and the concave portion 28 . Such as Figure 8 As shown, the concave portion 28 is located at the pair of first through holes 26 and is not provided along the entire circumference of both the first through hole 26A and the other first through hole 26B. In this embodiment, the concave portion 28 is provided in a pair of first through holes 26 so as to partition one first through hole 26A from the other first through hole 26B. That is, at the pair of first through holes 26 , one first through hole 26A and the other first through hole 26B are partitioned by the intermediate member 40 .
no. 3 approach
[0099] The main point of difference between the disc brake rotor 10 of the third embodiment and the disc brake rotor 10 of the second embodiment is the structure of the outer member 14 . Such as Figure 9 As shown, the outer member 14 is provided such that a plurality of pairs of first through holes 26 are arranged in the circumferential direction D3. One first through hole 26A and the other first through hole 26B among the pair of first through holes 26 are arranged in the circumferential direction D3. Among the pair of first through-holes 26 , one first through-hole 26A is provided in line symmetry with respect to the other first through-hole 26B across the concave portion 28 . In this embodiment, among the pair of first through holes 26 , one first through hole 26A and the other first through hole 26B are formed to have the same shape and size as each other. The third through-hole 34 is provided in the outer member 14 so as to be aligned with the first through-hole 26 in ...
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