Patent ID: 7254862

Claim:
A wiper blade mounted on a wiper arm which is oscillatingly provided on a car body for wiping a window glass surface by being pressed on the window glass surface by the wiper arm and being reciprocally oscillated, the wiper blade comprising: a blade rubber for wiping the window glass surface; and a holder piece assembly including a plurality of holder pieces for holding the blade rubber and an elastic member for connecting the holder pieces to each other in the longitudinal direction, the elastic member being provided in each of the holder pieces; wherein a gap is provided between a retaining groove formed in the blade rubber and a holding claw formed in each of the holder pieces, whereby the blade rubber is attachable to, and detachable from, the holder piece assembly; and wherein a supporting groove is formed above the retaining groove and a vertebra is inserted into the supporting groove, whereby the vertebra provides a predetermined rigidity to the blade rubber.