BRIEF DESCRIPTION OF THE DRAWINGS
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:
FIG. 1 is a perspective view of a wiper arm coupling structure according to the related art;
FIG. 2 is a perspective view of another wiper arm coupling structure according to the related art;
FIG. 3A is a perspective view of a hooked-type wiper arm according to the related art;
FIG. 3B is a perspective view of a pin-type wiper arm according to the related art;
FIG. 4 is a perspective view showing a pin coupling structure according to the related art;
FIG. 5 is a perspective view showing a pin coupling structure according to an embodiment of the present invention;
FIG. 6 is a plan view of a wiper arm adaptor according to an embodiment of the present invention;
FIG. 7 is a frontal view of a wiper arm adaptor according to an embodiment of the present invention;
FIG. 8 is a sectional view of a wiper arm adaptor according to an embodiment of the present invention;
FIG. 9 is a perspective view showing a wiper frame structure for coupling with an adaptor according to an embodiment of the present invention; and
FIG. 10 is a sectional view showing a coupled wiper adaptor according to an embodiment of the present invention.