Patent ID: 8756749

Claim:
A windshield wiper adapter comprising: a main body, a front end of the main body having a downwardly recessed notch, the notch provided for being engaged with a protrusion portion of a windshield wiper arm at an arbitrary angle; and a flexible buckling device, comprising a flexible portion and a buckling portion, one end of the flexible portion connected to a lower side of an accommodating space closer to the front end of the main body than another end of the flexible portion that is upwardly extending toward an upper side of the accommodating space and connected to the buckling portion, the buckling portion protrudes out from the accommodating space, the flexible buckling device provided for engaging a leading side of a through hole of the windshield wiper arm, wherein where the main body connected to the flexible buckling device forms the accommodating space downwardly recessed or piercing through the upper side of the main body; wherein after the notch is engaged with the protrusion portion, the windshield wiper arm is rotated about a coupling portion therebetween, so that the flexible buckling device is engaged with the leading side of the through hole to firstly perform a deformation process toward a direction away from the leading side, and then the flexible buckling device is engaged to the leading side of the through hole after restoring from the deformation process, thereby fastening the windshield wiper arm on the main body.