A windscreen wiper arm

Details A windscreen wiper arm A windscreen wiper arm

B - Operations, Transporting

60

S

B60S 1/34 (2006.01) B60S 1/38 (2006.01)

Patent

CA 2538014

A windscreen wiper arm (8), particularly for automobiles, comprising a mounting head (18) mountable on a drive shaft (19) and an arm member (20) pivotally connected to the mounting head (18) by means of a pivot pin (21), wherein the arm member (20) has a substantially U-shaped cross-section near said pivot pin (21) comprising two side walls (25, 26), wherein a part of the mounting head (18) extends between the side walls (25, 26) and beyond said pivot pin (21), with the special feature that protrusion/groove means are provided on said part (18) and said side walls (25, 26) for limiting a pivot angle of the arm member (20), wherein the protrusion/groove means comprise at least one curved guiding groove (30) and at least one protrusion (29) cooperating with said groove (30).

L'invention porte sur un bras d'essuie-glace (8), particulièrement pour automobiles, comprenant: une tête de fixation (18) se montant sur un axe moteur (19) et un bras (20) pivotant sur la tête de fixation (18) autour d'un axe (21). Le bras présente à proximité de l'axe (21) une section transversale sensiblement en U à deux parois latérales (25, 26). Une partie de la tête de fixation (18), qui s'étend entre les parois latérales (25, 26) et au delà de l'axe (21), se caractérise en ce qu'un ensemble ergot/gorge intégré à la tête de fixation (18) et aux parois latérales (25, 26) limite l'angle de pivotement du bras (20), la gorge de guidage (30) étant courbe et au moins un ergot (29) s'y engageant.

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