Patent ID: 7267204

Claim:
A pad remaining amount checking structure in a disk brake of a vehicle in which a caliper device that supports pads that can be pressed against a brake disk rotating with a wheel and exerts a force to press the pads against the brake disk is supported on a support member that supports an axle of the wheel, wherein a recess that allows an entire thickness of a pad to always be visually identified from outside is provided in a portion of a member that constitutes the caliper device, the portion covering the pad from outside, wherein the support member is a swing arm having an opening in substantially a center thereof and is placed on one side of a rear wheel to support an axle of the rear wheel at a rear end thereof, wherein the caliper device includes a caliper body to which a brake piston is slidably fitted and part of which is placed in the opening, and a bracket formed by connecting a pair of support portions that are spaced peripherally of the brake disk and that support the pads via a connecting portion placed between the brake disk and the swing arm, and is supported on the swing arm, and wherein the recess is provided in a side surface facing the brake disk of the connecting portion.