BRAKE DISC HAVING REDUCED NOISE - SUNSTAR ENGINEERING INC

Title:

BRAKE DISC HAVING REDUCED NOISE

Document Type and Number:

WIPO Patent Application WO/2011/049172

Kind Code:

A1

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.

Inventors:

NAKATSUJI TSUYOSHI (JP)
METSUGI FUMIHIKO (JP)
SHINAGAWA YOSHINORI (JP)
KANETSUNA MASARU (JP)
KUBOTA SATOSHI (JP)
QUEK KWANG PENG (SG)

Application Number:

PCT/JP2010/068605

Publication Date:

April 28, 2011

Filing Date:

October 21, 2010

Export Citation:

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Assignee:

SUNSTAR ENGINEERING INC (JP)
NAKATSUJI TSUYOSHI (JP)
METSUGI FUMIHIKO (JP)
SHINAGAWA YOSHINORI (JP)
KANETSUNA MASARU (JP)
KUBOTA SATOSHI (JP)
QUEK KWANG PENG (SG)

International Classes:

F16D65/12; B62L1/00

Domestic Patent References:

WO2004042247A1

2004-05-21

Foreign References:

JPS5353829Y2	1978-12-22
JPS61130634A	1986-06-18
JPH11141585A	1999-05-25
JPS62297549A	1987-12-24
JPS54108880U	1979-07-31
JPS63185929U	1988-11-29
JP2004526924A	2004-09-02
JP2002295549A	2002-10-09

Other References: