A connecting arrangement of a lever is rotatably connected to a wiper arm. Arms of the lever are located on longitudinal sides, respectively, of the connecting arrangement and extend in the longitudinal direction of a wiper strip. Each arm of the lever includes a holding portion, which is provided i
A connecting arrangement of a lever is rotatably connected to a wiper arm. Arms of the lever are located on longitudinal sides, respectively, of the connecting arrangement and extend in the longitudinal direction of a wiper strip. Each arm of the lever includes a holding portion, which is provided in a longitudinal distal end of the arm to hold the wiper strip together with backing plates. The holding portion of each arm of the lever is positioned in an intermediate location between the connecting arrangement and a corresponding longitudinal end of the wiper strip.
대표청구항▼
What is claimed is: 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 o
What is claimed is: 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. 2. The wiper blade according to claim 1, wherein: the holding portion of each of the first and second arms holds the at least one of the wiper strip and the at least one backing plate in a slidable manner; the wiper strip includes first and second end follower sections, which substantially freely and elastically conform to the wiping surface; the first end follower section is located between the holding portion of the first arm and the first longitudinal end of the wiper strip; and the second end follower section is located between the holding portion of the second arm and the second longitudinal end of the wiper strip. 3. The wiper blade according to claim 1, wherein: the at least one sloped surface includes first and second sloped surfaces; and the fin member further includes: first and second fin portions, which are positioned on the first and second longitudinal sides, respectively, of the connecting arrangement of the lever and include the first and second sloped surfaces, respectively; and first and second cover portions, which connect between the first fin portion and the second fin portion and cover first and second lateral side surfaces, respectively, of the connecting arrangement. 4. The wiper blade according to claim 1, wherein: the at least one backing groove is formed in the connecting portion of the wiper strip; the connecting portion of the wiper strip further includes at least one holding groove that is arranged on one side of the at least one backing groove where the wiping lip is located; and the at least one holding groove extends in the longitudinal direction of the wiper strip and receives the holding portions of the first and second arms in such a manner that the holding portions of the first and second arms are slidable in the at least one holding groove in the longitudinal direction of the wiper strip. 5. The wiper blade according to claim 4, wherein the at least one holding groove of the connecting portion of the wiper strip further receives the at least two retaining members in such a manner that the at least two retaining members are slidable in the at least one holding groove in the longitudinal direction of the wiper strip. 6. The wiper blade according to claim 5, wherein: the connecting portion of the wiper strip further includes an anchoring portion, which is located at a longitudinal end of the at least one holding groove; and one of the at least two retaining members is anchored in the anchoring portion. 7. 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; and 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, 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; 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 and is slidable relative to said at least one of the wiper strip and the at least one backing plate; 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 and is anchored to the at least one of the wiper strip and the at least one backing plate to limit movement of the holding portion of the second arm relative to said at least one of the wiper strip and the at least one backing plate in the longitudinal direction of the wiper strip; the lever is spaced away from a top surface of the wiper strip between the holding portion of the first arm and the holding portion of the second arm such that an accommodating space is created between the lever and the top surface of the wiper strip to accommodate a portion of the wiper strip when the wiper strip is flexed toward the lever; the wiper strip includes first and second fin portions, which are formed integrally with the rest of the wiper strip and protrude from the top surface of the wiper strip in a direction away from the wiping surface; each of the first and second fin portions of the wiper strip includes a sloped surface, which is sloped relative to the wiping surface; the first fin portion of the wiper strip extends from the holding portion of the first arm toward the first longitudinal end of the wiper strip in the longitudinal direction such that a longitudinal extent of the first fin portion of the wiper strip does not overlap with a longitudinal extent of the accommodating space; and the second fin portion of the wiper strip extends from the holding portion of the second arm toward the second longitudinal end of the wiper strip in the longitudinal direction such that a longitudinal extent of the second fin portion of the wiper strip does not overlap with the longitudinal extent of the accommodating space. 8. The wiper blade according to claim 7, wherein: the holding portion of the first arm is spaced generally one-third of an entire length of the wiper strip from the first longitudinal end of the wiper strip; and the holding portion of the second arm is spaced generally one-third of the entire length of the wiper strip from the second longitudinal end of the wiper strip. 9. The wiper blade according to claim 7, wherein the holding portion of each of the first and second arms is positioned along the wiper strip in such a manner that when the wiper blade swings along the wiping surface, the holding portion moves along a corresponding path in the wiping surface, wherein the corresponding path shows a relatively small change in surface curvature in comparison to the rest of the wiping surface. 10. The wiper blade according to claim 7, wherein the lever includes at least one fin portion, which is formed integrally therein, wherein each of the at least one fin portion of the lever includes a sloped surface, which is sloped relative to the wiping surface. 11. The wiper blade according to claim 10, wherein the at least one fin portion of the lever includes first and second fin portions, which are provided integrally in the first and second arms, respectively, of the lever. 12. The wiper blade according to claim 11, wherein each of the first and second arms includes: first and second lateral walls, which extend continuously from the first and second walls, respectively, of the connecting arrangement in the longitudinal direction of the wiper strip; and a cover wall that connects between the first and second lateral walls; and a portion of each of the first and second fin portions of the lever is formed integrally in the cover wall of a corresponding one of the first and second arms to provide the sloped surface. 13. The wiper blade according to claim 11, wherein the holding portion of each of the first and second arms includes a recessed portion, which receives a longitudinal base end portion of the corresponding one of the first and second fin portions of the wiper strip, so that the first and second fin portions of the first and second arms and the first and second fin portions of the wiper strip provide a continuous outer appearance. 14. The wiper blade according to claim 7, wherein: the wiper strip includes first and second end follower sections, which substantially freely and elastically conform to the wiping surface; the first end follower section is located between the holding portion of the first arm and the first longitudinal end of the wiper strip; and the second end follower section is located between the holding portion of the second arm and the second longitudinal end of the wiper strip. 15. A wiper blade according to claim 7, wherein size of the accommodating space between the lever and the top surface of the wiper strip increases toward a longitudinal center of the accommodating space between the holding portion of the first arm and the holding portion of the second arm. 16. The wiper blade according to claim 15, wherein the size of the accommodating space between the lever and the top surface of the wiper strip is maximized at a longitudinal center area of the wiper strip, which is adjacent to a rotational shaft of the connecting arrangement.
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이 특허에 인용된 특허 (7)
Arai Masaru (Yono JPX) Saita Itsuro (Yono JPX), Backing member in wiperblade of windshield wiper.
Aoyama,Toshiharu; Torii,Naoki; Kobayashi,Shigeyuki; Houjyo,Yoshimasa, Wiper blade provided with detachable blade rubber and wiper system having the same.
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