Patent ID: 8857007

Claim:
A vehicle wiper device comprising: a drive device; a drive shaft rotated back and forth about a first axis by the drive device; a holder member that pivotally supports the drive shaft; a wiper arm that pivots back and forth along a wiping surface as the drive shaft rotates back and forth; and a wiper arm biasing mechanism that is arranged on the drive shaft and biases the wiper arm toward the wiping surface, wherein the wiper arm biasing mechanism includes a swing member that is integrally pivotal with the drive shaft, a tilting member that is pivotally mounted on the swing member to tilt about a second axis, which intersects the first axis or is in a skew-line relationship with the first axis, wherein the tilting member includes a wiper fixing portion to which the wiper arm is fixed, and an elongated biasing member defining opposed first and second ends, the first end supported on the swing member and the second end supported by the tilting member, wherein the biasing member applies a biasing force between and to the swing member and the tilting member.