Patent ID: 8042656

Claim:
A disk brake comprising: a mounting member configured to be secured to a non-rotating part of a vehicle, said mounting member having first and second arms spaced apart from each other in a rotational direction of a disk, each of said first and second arms extending over an outer periphery of the disk in an axial direction of the disk, and said first and second arms including first and second pad guides, respectively; a caliper slidably disposed on said mounting member in the axial direction of the disk; first and second friction pads slidably fitted to said first and second arms of said mounting member, respectively, through said first and second pad guides, respectively, each of said first and second friction pads being configured to be pressed against a respective side of the disk by said caliper; and first and second pad springs attached to said first and second arms of said mounting member, respectively, to resiliently support said first and second friction pads, respectively, between said first and second arms; wherein each of said pad springs comprises: first and second guide plates positioned in one of said pad guides of said mounting member at axially opposite sides of the disk to guide one of said friction pads in the axial direction of the disk; a connecting plate having a flat plate portion extending in the axial direction of the disk over the outer periphery thereof and first and second joint portions located at opposite ends of said flat plate portion and joined to said first and second guide plates, respectively, said flat plate portion extending in an extension direction; and first and second reinforcements disposed on at least said first and second joint portions, respectively, of said connecting plate, each of said first and second reinforcements extending at an angle relative to the extension direction of said flat plate portion, and said first and second reinforcements extending from opposite sides of said flat plate portion toward said first and second guide plates, respectively, to reinforce said joint portions.