Wiper blade for attaching to wiper arm of wiping device for cleaning pane of motor car, has distributor members comprising spray nozzle and vent hole, where liquid escapes from members in position of valve element over nozzle and vent hole

摘要

The blade has an elongated wiper blade body for holding a wiper rubber and comprising spraying channels for spraying washing liquid i.e. laundry detergent. The channels comprise spraying nozzles and are coupled with distributor members (32). The members comprise a non-return valve element (50) in an exhaust connection (52), where the valve element disables the exhaust connection in a position. The members comprise an additional spray nozzle and a vent hole (53), where the liquid escapes from the members in the position of the valve element over the additional nozzle and the vent hole. The valve element is designed as an elastic membrane.