Patent ID: 7526832
Filing Date: 2009-05-05
Classification: B60S

Abstract:
1. A wiper blade for a wiper system that wipes a wiping surface, the wiper blade comprising: a wiper strip that directly wipes the wiping surface, wherein the wiper strip includes at least one backing groove that extends in a longitudinal direction of the wiper strip; at least one backing plate that is made of a spring material having a predetermined rigidity and is received in a corresponding one of the at least one backing groove, wherein each of the at least one backing plate is convexly curved in a relaxed state in such a manner that a longitudinal center of the backing plate projects in a direction away from the wiping surface; a lever that includes: a connecting arrangement that is rotatably connected to a wiper arm of the wiper system; and first and second arms that are located on first and second longitudinal sides, respectively, of the connecting arrangement, wherein the first and second arms extend from the connecting arrangement toward first and second longitudinal ends, respectively, of the wiper strip in the longitudinal direction of the wiper strip; a fin member that is made of an elastic material and includes at least one sloped surface, which is sloped relative the wiping surface; and at least two retaining members, which are secured to the fin member to hold both the wiper strip and the at least one backing plate, wherein: each of the first and second arms includes a holding portion, which is provided in a longitudinal distal end of the arm to hold at least one of the wiper strip and the at least one backing plate; at least one of the at least two retaining members is located between the holding portion of the first arm and the first longitudinal end of the wiper strip, and at least another one of the at least two retaining members is located between the holding portion of the second arm and the second longitudinal end of the wiper strip; the fin member is secured to the lever and extends in the longitudinal direction of the wiper strip on both the first and second longitudinal sides of the connecting arrangement; the holding portion of the first arm is positioned in an intermediate location between the connecting arrangement and the first longitudinal end of the wiper strip; the holding portion of the second arm is positioned in an intermediate location between the connecting arrangement and the second longitudinal end of the wiper strip; the wiper strip includes: a wiping lip that directly wipes the wiping surface; and a connecting portion that is held by the holding portions of the first and second arms of the lever and is located on one side of the wiping lip, which is opposite from the wiping surface; and the fin member includes at least one receiving portion, which is recessed in the fin member in a direction away from the wiping lip and extends in the longitudinal direction of the wiper strip to receive at least a top side portion of the connecting portion of the wiper strip, which is opposite from the wiping lip; and each of the at least two retaining members is provided in a corresponding one of the at least one receiving portion of the fin member.