Windshield wiper blade refill unit

In a windshield wiper blade refill unit, including a squeegee element of elastomeric material having an elongate body portion terminating in a lip along one longitudinal edge and an anchoring strip along the other longitudinal edge separated from said body portion by a reduced neck portion and a stiff resilient supporting strip longitudinally coextensive with said squeegee element, said supporting strip including a hollow body for slidably receiving said anchoring strip having an upper wall, depending side walls and longitudinally slotted bottom wall for slidably receiving said neck portion, upper and lower lateral flanges coplanar with said upper and bottom walls, respectively, defining laterally open channels for slidably receiving and confining opposed claws of a wiper blade superstructure;

• retaining means for holding said superstructure and said refill unit assembled characterized in that each of said side walls include a plurality of sets of openings longitudinally spaced apart along the supporting strip, each set comprising a pair of spaced apart openings in alignment with a like pair of spaced apart openings in the opposite side wall, and notches in said anchoring strip in alignment with said openings, said clip comprising a base portion and a pair of resilient legs extending forwardly from said base, said clip embracing a claw of a superstructure, said legs extending completely through a set of said openings and releasable latching means on said legs for retaining said clip in said openings to thereby accomodate superstructures having claws at different longitudinal positions relative to the supporting strip.