End clip for blade refills

In a windshield wiper blade refill unit having a backing strip with two spaced elongate parallel legs, a wiper blade having a pair of oppositely facing grooves formed therein, the legs of said backing strip nesting in said grooves, an end clip secured to one end portion of the backing strip, said end clip having a body portion with spaced arms extending therefrom and lying in face-to-face relationship with the lower surface of the legs of the backing strip, each of said arms having a portion adapted to be releasably engaged by claws of the superstructure and having aligned upturned tabs on the outer edge portions of the arms of said end clip adapted to be squeezed together to release the arms from engagement by the claws of the superstructure, means for positively securing the end clip and the backing strip together, said means comprising first and second latching means, said first latching means including a projection formed on the end of said backing strip which projection engages in a slot formed in the body portion of said end clip to secure the end clip from longitudinal movement relative to the backing strip, and said second latching means including a pair of inwardly projecting ears formed on the upturned tabs so as to overlie the edges of the backing strip to restrain movement of the end clip normal to the plane of the backing strip.