Brake disc
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 16, 2014
Issued Date -
N/A
app pub date -
Jun 7, 2011
filing date -
Jun 11, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a brake disc capable of suppressing wear of a brake pad, improving braking performance, and preventing occurrence of heat shrinkage between weight reduction holes. In a brake disc 1 for a two-wheeled motor vehicle, the brake disc 1 including a plurality of weight reduction holes 12 for weight reduction formed in a slide section 11 making sliding contact with a brake pad 2, a plurality of grooves 13 is formed at predetermined intervals in a circumferential direction so as to pass through a plurality of adjacent ones of the weight reduction holes 12, the grooves being formed on at least one of slide surfaces 11a of the slide section 11. Each of the grooves 13 is formed into a linear or curved shape from an inner circumference through an outer circumference of the slide section 11. The grooves 13 are formed to be inclined so that one end portion of each of the grooves 13 at the inner circumferential side is positioned forward of the other end portion thereof at the outer circumferential side in a rotation direction of the brake disc 1. At least the end portion of each of the grooves 13 at the outer circumferential side opens.
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