Wiper blade apparatus

A wiper blade apparatus comprising:

• a support member formed of a metal plate having an elongated bar shape;
• a spoiler member including a support member accommodation portion to which the support member is coupled, a blade holding portion arranged at a lower portion thereof and to which a wiper blade is slidingly coupled, and a spoiler portion arranged at an upper portion thereof and configured to generate a pressing force downward due to air flow;
• the wiper blade coupled to the blade holding portion and configured to come into contact with a windshield of a vehicle and remove foreign objects from the windshield;
• and
• an arm connector arranged at a central portion of the support member and fixed to the spoiler member, and to which a wiper arm is coupled, wherein the spoiler member has a cleaning fluid passage through which cleaning fluid is transferred along a longitudinal direction, and the cleaning fluid passage comprises a nozzle installation portion having an open structure in which the cleaning fluid passage is cut at multiple positions spaced apart along the longitudinal direction of the spoiler member,
• the wiper blade apparatus further comprising a plurality of spray modules configured to spray the cleaning fluid outward in jet form, wherein the plurality of spray modules have a pair of protruding coupling portions arranged in the nozzle installation portion, coupled in a form inserted into the cleaning fluid passage, and protruding on a same line in opposite directions,
• wherein the spray module is detachably coupled to the spoiler member,
• one of the plurality of spray modules is a combined cleaning fluid supply module having a cleaning fluid injection portion coupled to a hose and into which cleaning fluid supplied from a cleaning fluid tank is introduced, and
• the combined cleaning fluid supply module comprises therein a buffer space capable of temporarily storing the cleaning fluid.