A wiper blade yoke assembly comprises a main yoke having spaced apart side walls (30, 31) with different sized holes (32, 33) therein and a pivot pin (21) making snap-fit connection within the said wall holes (32, 33). The pivot pin (21) has a resiliently deformable head (22) having a maximum dimension larger than that of the smaller side wall, hole (33) and preferably no larger than that of the larger side wall hole (32). IMAGE
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