Attachment for windscreen wiper arm - has conical and threaded insert bush as bearing for shaft

摘要

The wiper arm (12) has one end fitted to a shaft (14) and has a sleeve which acts as a bearing for the shaft. This (22) has an external cone (24) tightened by a threaded nut. The cone is in an opening (20), also conical. The end of the bearing is threaded (26). The nut fits the threaded end. The cone has a flange (28) which can be hexagonal and has a flat surface (30). A housing (36) in the arm matches this flanged part. The sleeve has a central hole (32) for the shaft (14).