| US 7,506,402 B2 | ||
| Arrangement for self-releasing connection of a windscreen wiper arm on a driving shaft | ||
| Romain Laurens, Clermont-Ferrand (France); and Karim Brazi, Issoire (France) | ||
| Assigned to Valeo Systemes d'Essuyage, La Verriere (France) | ||
| Appl. No. 11/793,220 PCT Filed Dec. 13, 2005, PCT No. PCT/EP2005/013334 § 371(c)(1), (2), (4) Date Jun. 18, 2007, PCT Pub. No. WO2006/063781, PCT Pub. Date Jun. 22, 2006. |
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| Claims priority of application No. 04 13475 (FR), filed on Dec. 17, 2004. | ||
| Prior Publication US 2008/0022475 A1, Jan. 31, 2008 | ||
| Int. Cl. B60S 1/34 (2006.01) | ||
| U.S. Cl. 15—250.34 [15/250.31; 464/30; 464/37; 464/45; 464/101] | 8 Claims |
| 1. A disengageable arrangement for connecting a windscreen-wiper arm to a drive shaft driven in rotation about its longitudinal
axis, comprising
a device solidly attached to the arm and providing the connection of the arm and the drive shaft in the normal operating position
of the windscreen wiper,
the device being deformable under an effect of a torque applied to the arm greater than that exerted by said drive shaft,
and capable of being placed back in the normal operating position by locked relative positioning of the arm and the drive
shaft,
wherein there is a single locked relative position of the arm and the drive shaft, and
wherein said deformable device comprises at least two stacked elastic blades, the ends of each stacked elastic blade are solidly
attached to the arm, and each of the at least two stacked elastic blades comprises a locking part inserted in a stopping part
solidly attached to the drive shaft.
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