BRAKE DISC HAVING REDUCED NOISE
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United States of America Patent
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Issued Date -
Aug 16, 2012
app pub date -
Oct 21, 2010
filing date -
Oct 21, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A brake disc having reduced noise, configured in such a manner that the generation of noise, such as brake noise, in braking operation is effectively prevented using a simple structure. A brake disc (20) for two-wheeled motor vehicle, provided with a mounting section (12) which is mounted to a wheel, a slide section (11) which slides against a brake pad, a connection section (13) which connects the mounting section (12) and the slide section (11), and weight reducing holes (16) for weight reduction. A slit (21) is formed in the slide section (11). The ratio (L/W) of the length (L) of the slit (21) in the radial direction to the width (W) of the slide section (11) is set in the range of 50-95%, and preferably in the range of 60-90%. The width of the slit (21) is set to 2 mm or less.
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