| 摘要 |
A windscreen wiper arm (8), particularly for automobiles, comprising a mounting head (11) mountable on a drive shaft (12) and an arm member (13) pivotally connected to the mounting head (11) by means of a pivot pin (14), wherein the arm member (13) has a substantially U-shaped cross-section near said pivot pin (14) comprising two side walls (16, 17), wherein a part of the mounting head (18) extends between the side walls (16, 17) and beyond said pivot pin (14) wherein protrusion/groove means are provided on said part and said side walls (16, 17) for limiting a pivot angle of the arm member (13), wherein the protrusion/groove means comprise at least one groove (22) and at least one protrusion (19) cooperating with said groove (22), wherein said protrusion (19) is movable in said groove (22) between a first position corresponding with a wiping position of the arm member (13) and a second position corresponding with a mounting position of the arm member (13), wherein said part is provided with opposite abutting surfaces (20, 21) for abutting against the side walls (16, 17), and wherein said protrusion (19) extends laterally inwardly from one of the side walls (16, 17) into said groove (22) being provided on one of the abutting surfaces (20, 21) abutting against that respective side wall (16, 17), with the special feature that said groove (22) has a width larger than a width of said protrusion (19). |
