Patent ID: 7543353

Claim:
A wiper blade apparatus comprising: a spoiler( 200 ) to minimize air resistance in an upper part; a blade ( 300 ) of soft rubber in a lower part; a rail spring ( 100 ) in a middle part; and a clamp( 400 ) to be mounted in middle of the said rail spring( 100 ), wherein the said blade( 300 ) is coupled with a blade-coupling unit( 10 ) after fixing the said unit( 10 ) to the said rail spring ( 100 ), further comprising more than one reinforcing sections( 120 ) in linear holes( 110 ) that are made by having the rail spring ( 100 ) perforated, wherein the clamp comprises four coupling protrusions( 410 ) and hook holes( 411 ), respectively, wherein the rail spring comprises four hook grooves( 131 ) and hook projections( 132 ) respectively, further comprising multiple clip installation sections ( 210 ) embedding grooves for prevention of the spoiler from breaking away( 211 ) in external sides of -shape wings of the spoiler and multiple clips for prevention of the spoiler from breaking away( 220 ), which are fixed to the said clip installation sections, preventing the spoiler from separating, by pressing holding the spoiler and part of the rail spring together.