Patent ID: 7849553

Claim:
Wiper device, comprising a wiper arm ( 10 a - 10 c , 10 k , 10 l ), including: a wiper rod ( 12 a , 12 c , 12 k ) for fixing a wiper blade; a fixing element ( 14 a - 14 c , 14 k , 14 l ) connected free of articulation to the wiper rod ( 12 a , 12 c , 12 k ); and at least one partial zone ( 16 a - 16 m ) having spring elasticity; wherein the wiper arm ( 10 a - 10 c , 10 k , 10 l ) can shift essentially elastically from an operating configuration to at least one first stable configuration, the partial zone including a bistable component ( 50 c - 50 j , 50 m ) which comprises at least three elongated sections ( 40 c - 40 m , 42 c , 42 f - 42 m ), wherein the wiper blade can be mounted and dismounted when the wiper arm ( 10 a - 10 c , 10 k , 10 l ) is in a mounted state and wherein the bistable component ( 50 c - 50 j , 50 m ) is manufactured by tensioning at least one of the three elongated sections ( 40 c - 40 m , 42 c , 42 f - 42 m ).