Patent ID: 8327498

Claim:
A wiper blade coupled to a wiper arm of a vehicle to wipe a windshield, comprising: a wiper strip having rail grooves formed on opposing sides thereof; a wiper frame curved along its lengthwise direction and having elasticity to bring the wiper strip into contact with the windshield when the wiper blade is installed on the vehicle, an area of a side of the wiper frame increasing from ends of the wiper frame toward a center portion, and decreasing closer to the center portion; a pair of coupling slits formed in the wiper frame, the rail grooves of the wiper strip configured to slidably engage the coupling slits; a connector attached at one face of the wiper frame to be coipled with the wiper arm; a seating portion for guiding a connecting position of the connector, formed in the wiper frame at the center portion, a width of the seating portion being narrower than a width of the wiper frame at the ends thereof; and a coupling aperture formed in one end of the coupling slit and allow a first portion and a second pertion of the wiper strip to be inserted into a respective one of the coupling apertures, a first one of the coupling apertures located at an end portion of the wiper frame and a second one of the coupling apertures located at the center portion of the wiper frame.