Abstract: A windshield wiper spoiler essentially comprised of a plate spoiler connected with a folded plate to the wiper blade; rectangular openings respectively formed in the center and on both sides between the spoiler and the blade; plate protrusions being respectively provided to the rectangular openings on both sides; both ends of the spoiler being inwardly folded to each from a slightly erected flap; the surface of the spoiler indicating inclined folding; two shuttle shape ventilation holes being provided in symmetric on both sides to allow the wind force to escape upward without expanding to outer sides as limited by both flaps, thus to increase the compressing force to facilitate the operation of the windshield wiper.

Abstract: A windshield wiper spoiler essentially comprised of a plate spoiler connected with a folded plate to the wiper blade; rectangular openings respectively formed in the center and on both sides between the spoiler and the blade; plate protrusions being respectively provided to the rectangular openings on both sides; both ends of the spoiler being inwardly folded to each from a slightly erected flap; the surface of the spoiler indicating inclined folding; two shuttle shape ventilation holes being provided in symmetric on both sides to allow the wind force to escape upward without expanding to outer sides as limited by both flaps, thus to increase the compressing force to facilitate the operation of the windshield wiper.

Abstract: A fixture for easy assembly of a spoiler to a windshield wiper comprised of a spoiler, and a pair of locking pieces, each in an inverted U-shape and extending backward from the back of the spoiler; a long protrusion at the center of a recessed surface of the locking piece; a hook each protruding from the inner edge of each of both vertical portions of the locking piece; both hooks locking onto an articulation of a wiper; and both protrusions being inserted into slot in the articulation to secure the spoiler in position.

Abstract: A windshield wiper assembly includes a yoke having two arms each formed with two elongated openings between which there is a recess, wherein a spoiler extends from one side of the yoke and has a convex upper side and a concave lower side, a plurality of grooves are formed between the spoiler and the yoke in which the grooves increase in size from two ends thereof such that the groove at an intermediate portion is the largest and the groove at the end is the smallest, and the yoke is formed with a plurality of lugs each extending downwardly through a corresponding one of the grooves, whereby the windshield wiper assembly will give multiple deflecting effects to the wind thus enabling the windshield wiper assembly to move smoothly and steadily on the windshield.