Plastic articulated arm for a windscreen wiper

The plastics linkage arm (20) has a U-shaped cross-section with side walls (32) on either side of a bottom portion (38). A guide block (24) is mounted between inward-extending ribs (34) inside the U-section. Enlarged ends (30) on elastic bearing springs (28) engage on the ribs. There are fastening projections (26) between the springs. A clip (22) between the fastening projections and springs has a V-shaped groove with a bearing surface in each of two arms.