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US 2023/0400076 A1Published application
Brake disc
AssigneeSunstar Engineering Inc.
InventorsSatoshi KUBOTA, Akihito OHATA
Life of this patent
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Abstract
Provided is a brake disc having excellent cracking resistance. A brake disc 1 according to an aspect of the present invention comprises a plurality of drain recesses 3, each formed in an area against which a brake pad is abutted, wherein the angle of a shoulder portion 31 formed by a friction surface against which the brake pad is abutted and an inner peripheral surface of an opening of the drain recess 3 is an obtuse angle.
Claims7
A brake disc, comprising
- a plurality of draining recesses formed in a region that a brake pad contacts,
- an angle of a shoulder portion formed by a friction surface that the brake pad contacts and an inner peripheral surface of an opening portion of each of the draining recesses being obtuse.
Dependencies are inferred from the claim text.