Patent ID: 6910244
Filing Date: 2005-06-28
Classification: B60S

Abstract:
1. A wiper system, in particular for motor vehicle windows, having a driven wiper arm, ( 12 ), guided on the motor vehicle and movable between two turning points, on which, and in particular on whose free end ( 14 ), a pivot bolt ( 36 ) retained thereon is disposed, whose pivot axis ( 38 ) extends transversely to the longitudinal axis of the wiper arm, essentially in the direction of motion (double arrow 22 ) of the wiper arm ( 12 ), on which pivot bolt a wiper blade ( 16 ) is supported that can be pivoted about the pivot axis ( 38 ) and pressed against the window ( 28 ), and the wiper system has means for securing the wiper blade to the pivot bolt, which means have stop faces, disposed on the wiper blade transversely to the pivot axis and spaced apart from one another and pointing away from one another, which fittingly engage between securing faces, facing one another, of the wiper arm, wherein the stop faces ( 78 , 86 ) of the wiper blade are disposed on the two long sides of a coupling part ( 32 ) that is present on the wiper blade and has a bearing bore ( 34 ) for the pivot bolt ( 36 ); that one securing face of the wiper arm is a cheek region ( 80 ) oriented toward the wiper blade; and that the other securing face ( 81 ) is embodied on an extension ( 44 ) of the pivot bolt ( 38 ), which extension engages the stop face ( 86 ), facing away from the wiper arm, of the wiper blade ( 16 ) from behind, and wherein the stop face of the wiper blade is embodied on the bottom face ( 86 ) of a countersunk feature ( 64 ) that extends from the opening of the bore in the circumferential direction and radially, which countersunk feature extends from the long side ( 62 ), remote from the wiper arm ( 12 ), of the coupling part ( 30 ) in the direction of the pivot axis.