Patent ID: 7506401

Claim:
An adaptor inserted and installed on a mounting bracket of a wiper frame having a wiper blade installed thereon, the adaptor comprising: a pivoting portion configured to be inserted along the mounting bracket and defining a downwardly facing convex arcuate surface; a pin hole for guiding and inserting a first pin of a wiper arm; a rib extended downwardly from adaptor, wherein the rib is mounted over an upper edge of the mounting bracket of the wiper frame, and a hollow part integrally formed within the pivoting portion for guiding and coupling with a second pin of a wiper arm, wherein the wiper frame forms a hole corresponding to the pin hole, wherein the pivoting portion is guided and coupled by a guide notch provided in the wiper frame, and wherein the guide notch has an upwardly facing open end and defines an upwardly facing concave arcuate surface therein receiving and fixing with the arcuate surface of the pivoting portion.