JP3105045U - Multi-edge wiper rubber - Google Patents

Multi-edge wiper rubber Download PDF

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JP3105045U
JP3105045U JP2004002488U JP2004002488U JP3105045U JP 3105045 U JP3105045 U JP 3105045U JP 2004002488 U JP2004002488 U JP 2004002488U JP 2004002488 U JP2004002488 U JP 2004002488U JP 3105045 U JP3105045 U JP 3105045U
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edge
wiper
section
wiper rubber
cross
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照雄 太秦
正寛 石原
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正寛 石原
照雄 太秦
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38—Wiper blades
    • B60S1/3801—Wiper blades characterised by a blade support harness consisting of several articulated elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/32—Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38—Wiper blades
    • B60S2001/3827—Wiper blades characterised by the squeegee or blade rubber or wiping element
    • B60S2001/3836—Wiper blades characterised by the squeegee or blade rubber or wiping element characterised by cross-sectional shape
    • B60S2001/3837—Wiper blades characterised by the squeegee or blade rubber or wiping element characterised by cross-sectional shape with more than one wiping edge or lip

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

【課題】 ウインドガラス面の拭き取り効果を向上させるワイパーゴムを提供する。
【解決手段】 この発明のワイパーゴムは、ヘッド部９の下方に下向きに突出する２本のエッジ部１８と、上記ヘッド部９とエッジ部１８との間に一体的に形成される本体部１６とを断面内に備えている。
両エッジ部１８の内面は互いに対向し合い、各エッジ部１８の基端部側を外側に突出させた肉厚部にする。外側面は先端側に向かって収束する傾斜面に形成し、先端部に肉薄のブレードを形成している。
上記エッジ部１８の基端部の内側寄り位置には、各エッジ部１８が傾斜揺動する際の変形部分となる肉厚の薄い連結部２１を設ける。
上記エッジ部１８間の間隙１９内には、エッジ部１８の適正な傾斜及び湾曲姿勢を支える山形の断面の支持部２３を下向きに突設している。
【選択図】 図２ＡPROBLEM TO BE SOLVED: To provide a wiper rubber for improving a wiping effect of a wind glass surface.
SOLUTION: The wiper rubber of the present invention comprises two edge portions 18 protruding downward below a head portion 9, and a main body portion 16 integrally formed between the head portion 9 and the edge portion 18. Are provided in the cross section.
The inner surfaces of both edge portions 18 are opposed to each other, and the base end side of each edge portion 18 is a thick portion protruding outward. The outer side surface is formed as an inclined surface that converges toward the distal end, and a thin blade is formed at the distal end.
At a position closer to the inside of the base end of the edge portion 18, a thin connecting portion 21 which is a deformed portion when each edge portion 18 tilts and swings is provided.
In the gap 19 between the edge portions 18, a support portion 23 having a mountain-shaped cross section that supports an appropriate inclination and curved posture of the edge portion 18 is protruded downward.
[Selection] Fig. 2A

Description

この考案は、自動車，電車，作業用車両等の主として車両用ウインドワイパーに使用される複数エッジ型のワイパーゴムに関する。   The present invention relates to a multi-edge type wiper rubber mainly used for a vehicle wind wiper such as an automobile, a train, and a work vehicle.

従来上記のようなウインドワイパー用のワイパーゴムとしては、図５Ａ，Ｂ，Ｃに示される断面形状のものが知られており、このうち図５のＢ，Ｃに示されるものは特開平８−１４２８０４号公報において開示されている。   5A, 5B, and 5C are known as wiper rubbers for wind wipers as described above. Of these, those shown in FIGS. No. 142804 discloses this.

上記ワイパーゴム５１，５２，５３は、それぞれワイパーブレードに把持されるヘッド部５４，ワイパーゴムの本体部５５，ワイパー作動時にガラス面に押接されて水を拭い取るエッジ部５６とから構成されている。   The wiper rubbers 51, 52 and 53 are respectively composed of a head portion 54 gripped by a wiper blade, a main body portion 55 of the wiper rubber, and an edge portion 56 pressed against a glass surface to wipe off water when the wiper is operated. I have.

同図Ａに示すものは現在自動車用のウインドワイパーに一般的に使用されているシングルエッジタイプのワイパーゴムである。これに対し、図５Ｂのものはエッジ部５６が２本設けられたダブルエッジタイプのワイパーゴムである。このタイプのものは、２本のエッジ５６が同時にガラス面に接触し、先行するエッジ部５６によって水分の拭き残しが生じても、他方のエッジ部で再度拭き取るので拭き取り効果が優れている。   A shown in FIG. 1A is a single edge type wiper rubber generally used for a wind wiper for an automobile at present. On the other hand, the one shown in FIG. 5B is a double edge type wiper rubber provided with two edge portions 56. This type is excellent in wiping effect because two edges 56 come into contact with the glass surface at the same time, and even if moisture is left behind by the preceding edge 56, it is wiped again at the other edge.

これに対し、図５Ｃに示されるものは、ダブルエッジタイプであるため上記のものと同様の拭き取り効果があると考えられている。そしてこのタイプのものは、本体部５５が中空のパイプからなり、パイプの底部に多数の水抜き孔５７が明けられていることにより、両エッジ部５６，５６間に溜まる水の排出効果が高いということが、このタイプを提案した発明者によって説明されている。   On the other hand, the one shown in FIG. 5C is considered to have the same wiping effect as the above because it is a double edge type. In this type, since the main body 55 is formed of a hollow pipe, and a large number of drain holes 57 are formed in the bottom of the pipe, the effect of discharging water accumulated between the two edges 56 is high. That is explained by the inventor who proposed this type.

上記ダブルエッジタイプのものは確かに雨水や雪などの拭き取り効果は高いことは明らかである。しかし図５Ｂに示すものでは２つのＴ字形又は十形のエッジ部５６，５６を本体部５５の底面に並べて設けることによってワイパーゴムの幅が広くなる。このためドライバーやオペレーターの視界が妨げられるほか、幅の広いワイパーがウインドー内で繰り返しスウィングすることはドライバー等にとって目障りでもある。   It is clear that the double edge type has a high wiping effect on rainwater and snow. However, in FIG. 5B, the width of the wiper rubber is increased by providing two T-shaped or ten-shaped edge portions 56, 56 side by side on the bottom surface of the main body portion 55. This obstructs the view of the driver and the operator, and the repeated swing of the wide wiper in the window is an obstacle for the driver and the like.

また図５Ｃに示すタイプのものは、本体部５５がパイプで構成されているので、ワイパーゴムの高さの大半がパイプ断面で占められる。このためワイパーゴムが円弧状にスウィングする際に、ワイパーゴム全体が球面状又は円筒状のウインドガラス表面に適合して柔軟に変形することが難しく、雨水の拭き取り効果が不十分になる場合がある。さらにエッジ部５６の断面高さが少なく且つ太いために、エッジ部５６自体のガラス面への接触面積も少なく、柔軟性が乏しいので雨水の拭き取り効果が劣るという欠点がある。   In the case of the type shown in FIG. 5C, since the main body 55 is formed of a pipe, most of the height of the wiper rubber is occupied by the pipe cross section. For this reason, when the wiper rubber swings in an arc shape, it is difficult to flexibly deform the entire wiper rubber in conformity with the spherical or cylindrical window glass surface, and the wiping effect of rainwater may be insufficient. . Further, since the sectional height of the edge portion 56 is small and thick, the contact area of the edge portion 56 itself with the glass surface is small, and the flexibility is poor, so that the effect of wiping rainwater is poor.

この考案のワイパーゴムは、ワイパーブレード３に把持されるヘッド部９と、該ヘッド部９の下方において所定の間隙を介して下向きに突出し被払拭表面１０に弾力的に接触する少なくとも２本のエッジ部１８と、上記ヘッド部９とエッジ部１８との間に一体的に形成される本体部１６とを断面内に備えたワイパーゴム８の改良に関するものである。
隣接するエッジ部１８の内面は互いに対向し合う面に形成し、各エッジ部１８の断面の基端部側を外側に突出させた肉厚部にする。外側面は先端側に向かって収束する傾斜面に形成するとともに、先端部にワイパー作動時に被払拭表面１０に弾力的に接触する肉薄のブレードを形成している。
上記エッジ部１８の基端部の内側寄り位置には、前記本体部１６に連結し各エッジ部１８が横方向に傾斜揺動する際の変形部分となる肉厚の薄いくびれ部からなる連結部２１を設ける。該連結部２１の外側には、エッジ部１８の一定範囲の内向きの傾斜揺動を許容する横向きの溝２２を形成する。
上記エッジ部１８間の間隙１９内に、ワイパー作動時に傾斜揺動する各エッジ部１８の基端部側の内面に当接することによりエッジ部１８の適正な傾斜及び湾曲姿勢を支え、両側面がエッジ部１８の内面に対して下向きに広がる傾斜面を備えた山形の断面の支持部２３を下向きに突設している。
また、支持部２３は下向きの台形状の断面であっても、半円形断面であってもよい。 The wiper rubber of the present invention has a head portion 9 gripped by the wiper blade 3 and at least two edges projecting downward through a predetermined gap below the head portion 9 and elastically contacting the surface 10 to be wiped. The present invention relates to an improvement of the wiper rubber 8 having a section 18 and a main body 16 integrally formed between the head section 9 and the edge section 18 in a cross section.
The inner surfaces of the adjacent edge portions 18 are formed on surfaces that face each other, and the base portion side of the cross section of each edge portion 18 is a thick portion protruding outward. The outer side surface is formed as an inclined surface that converges toward the distal end side, and a thin blade is formed at the distal end portion that elastically contacts the wiped surface 10 when the wiper is operated.
At a position closer to the inside of the base end of the edge portion 18, a connecting portion formed of a thin constricted portion which is connected to the main body portion 16 and becomes a deformed portion when each edge portion 18 tilts and swings in the horizontal direction. 21 are provided. Outside the connecting portion 21, a lateral groove 22 is formed to allow the edge portion 18 to swing inward in a predetermined range.
In the gap 19 between the edge portions 18, by contacting the inner surface on the base end side of each edge portion 18 that tilts and swings when the wiper is actuated, the edge portion 18 supports an appropriate inclination and bending posture, and both side surfaces are supported. A support portion 23 having a mountain-shaped cross section having an inclined surface extending downward with respect to the inner surface of the edge portion 18 is projected downward.
Further, the support portion 23 may have a downward trapezoidal cross section or a semicircular cross section.

以上のように構成されるこの考案はワイパーゴムが複数のエッジ部を備えることによる拭き取り効果の優れた点を維持しながら、ドライバーやオペレーターの視界の妨げや目障りなどの不都合を生じないワイパーゴムを提供することができる。
またワイパーのスウィング作動時に、円筒面状又は球面状のウインドガラス表面に柔軟にフィットし、雨水の拭き取り効果の高いワイパーゴムを提供することができる。 This invention configured as described above uses a wiper rubber that does not cause inconvenience such as obstruction or obstruction of the view of the driver or operator while maintaining the excellent wiping effect due to the wiper rubber having a plurality of edges. Can be provided.
In addition, it is possible to provide a wiper rubber that fits flexibly to a cylindrical or spherical window glass surface when the wiper swings, and has a high wiping effect of rainwater.

本考案の実施の形態を図面に基づいて説明する。
図１は既に一般に使用されているトーナメントタイプのワイパーブレードにこの考案のワイパーゴムを付した状態のワイパーの全体側面図である。この例ではワイパーアーム１の先端にピン２によってワイパーブレード３が揺動可能に連結されている。 An embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is an overall side view of a wiper in a state in which the wiper rubber of the present invention is attached to a tournament type wiper blade which is already generally used. In this example, a wiper blade 3 is swingably connected to a tip of a wiper arm 1 by a pin 2.

ワイパーブレード３は、よく知られているように大小のイコライザー（equalizing beam）状のエレメントを順次回動自在に連結して組み合わせて構成されており、ワイパーアーム１に連結されるセンターエレメント４，センターエレメント４の両端に連結される２個の中間エレメント６，各中間エレメント６の両端に連結されてワイパーゴム８を把持する４個の把持エレメント７ａ，７ｂを備えている。   As is well known, the wiper blade 3 is configured by sequentially and rotatably connecting elements of a large and small equalizer (equalizing beam) shape, and is constituted by a center element 4 connected to the wiper arm 1 and a center element. It has two intermediate elements 6 connected to both ends of the element 4, and four gripping elements 7 a and 7 b connected to both ends of each intermediate element 6 and gripping the wiper rubber 8.

図２Ａ，Ｂは、ワイパーゴム８の断面形状とワイパーの両端部の構造を示す拡大図である。この図に示されるように、ワイパーゴム８は左右対称の断面に形成されている。そしてこの断面の上端部を構成するヘッド部９は、各把持エレメント７ａ，７ｂの先端の爪部１１によって抱きかかえるようにして８カ所で上側から把持されている。ヘッド部９の断面内両側には、ワイパーゴム８の概ね全長にわたって板バネ１２が嵌込まれている。１０はウィンドガラス表面等の被払拭表面である。   2A and 2B are enlarged views showing the cross-sectional shape of the wiper rubber 8 and the structure of both ends of the wiper. As shown in this figure, the wiper rubber 8 is formed in a symmetrical cross section. The head 9 constituting the upper end of this cross section is gripped from above by eight places so as to be held by the claws 11 at the tips of the gripping elements 7a and 7b. On both sides in the cross section of the head portion 9, leaf springs 12 are fitted over substantially the entire length of the wiper rubber 8. Reference numeral 10 denotes a surface to be wiped such as a window glass surface.

把持エレメントのうち、ワイパーの基端側のエレメント７ｂの爪部１１の先端は、図２Ｂに示すようにワイパーゴム８の両側に形成された爪溝１３の底部のロック穴１４内に差し込まれており、ワイパーゴム８はこのロック構造によりワイパーブレード３側に位置決め固定される。   Of the gripping elements, the tip of the claw 11 of the element 7b on the proximal end side of the wiper is inserted into the lock hole 14 at the bottom of the claw groove 13 formed on both sides of the wiper rubber 8 as shown in FIG. 2B. The wiper rubber 8 is positioned and fixed to the wiper blade 3 by the lock structure.

これに対し、その他の把持エレメント７ａの爪部１１の屈曲した先端は、単に爪溝１３内に挿入されているだけである。この構造によりワイパー作動中にワイパーゴムが、ウィンドガラス表面の曲面に沿って屈伸作動する時は、把持エレメント７ａに対するワイパーゴム８のスライドが許容される。   On the other hand, the bent tip of the claw portion 11 of the other gripping element 7a is simply inserted into the claw groove 13. With this structure, when the wiper rubber bends and extends along the curved surface of the window glass during the operation of the wiper, sliding of the wiper rubber 8 with respect to the gripping element 7a is allowed.

ワイパーゴム８のヘッド部９の下方には、ワイパーゴム８の略中心部を構成する本体部１６と、該本体部９の左右両側に突出し、次に述べるエッジ部１８が外側に傾斜揺動する際のストッパーとして機能するフィン１７が一体的に設けられている。   Below the head portion 9 of the wiper rubber 8, a main body portion 16 constituting a substantially central portion of the wiper rubber 8, and protruding right and left sides of the main body portion 9, and an edge portion 18 described below tilts and swings outward. Fins 17 functioning as stoppers at the time are provided integrally.

該フィン１７の下側には、所定の幅Ｌの間隙１９を介して２本のエッジ部１８が下向きに突出して一体成形されている。２１はエッジ部１８の上端をその内側寄りの位置で本体部９に連結し、肉厚の薄いくびれ部からなる連結部であり、各エッジ部１８が横方向に傾斜揺動する際の変形部分でもある。したがってフィン１７の下面とエッジ部１８の上面との間の連結部２１の外側には、各エッジ部１８の外側への傾斜揺動を許容する横向きの溝２２が形成される。   On the lower side of the fin 17, two edge portions 18 project downward and are integrally formed with a gap 19 having a predetermined width L. Reference numeral 21 denotes a connecting portion which connects the upper end of the edge portion 18 to the main body portion 9 at a position closer to the inside thereof and which is formed of a thin constricted portion. But also. Therefore, on the outside of the connecting portion 21 between the lower surface of the fin 17 and the upper surface of the edge portion 18, a lateral groove 22 is formed to allow the inclined swing outward of each edge portion 18.

図示する例においては、エッジ部１８の互いに向かい合う内面が上下方向の平行な平坦面であり、外側面は基端部側において外側に突出し、先端（下端）側に向かって収束する傾斜面が形成されている。その結果各エッジ部１８は斜辺の面が外側面となる上下逆向きの直角三角形に近い断面形状になっている。そしてエッジ部１８の先端（下端）部は一定の厚みの肉薄ブレードを形成している。   In the illustrated example, the inner surfaces of the edge portions 18 facing each other are parallel flat surfaces in the vertical direction, and the outer surface protrudes outward at the base end side and forms an inclined surface converging toward the distal end (lower end) side. Have been. As a result, each edge portion 18 has a cross-sectional shape close to an inverted right-angled triangle in which the hypotenuse surface is the outer surface. The front end (lower end) of the edge portion 18 forms a thin blade having a constant thickness.

また上記エッジ部１８，１８の間隙１９内の上面（底部）には、下向きに山形に突出する支持部２３が突出している。この支持部２３は、図３に示すようにワイパー作動時に一方のエッジ部１８が傾斜した姿勢でガラス面１０に押接される際に、エッジ部１８の内面に当接し、エッジ部１８の傾斜状態を最も望ましい姿勢に保持して、エッジ部１８がガラス面の払拭に適した弾力的な接触をするように支持する。   A supporting portion 23 protruding downward in a mountain shape protrudes from the upper surface (bottom portion) in the gap 19 between the edge portions 18, 18. As shown in FIG. 3, when one of the edge portions 18 is pressed against the glass surface 10 in an inclined posture during the operation of the wiper, the support portion 23 comes into contact with the inner surface of the edge portion 18 and the edge portion 18 is inclined. While maintaining the state in the most desirable posture, the edge portion 18 is supported so as to make elastic contact suitable for wiping the glass surface.

上記支持部２３は、図２に示す例では表面の特に左右両側の面がエッジ部１８の内面に対して広がる傾斜面となるように、台形状の断面に形成されている。これに対し、図４に示す他の実施形態では、支持部２３が半円形断面に形成されている。   In the example shown in FIG. 2, the support portion 23 is formed in a trapezoidal cross section so that particularly the left and right sides of the surface are inclined surfaces that spread with respect to the inner surface of the edge portion 18. On the other hand, in another embodiment shown in FIG. 4, the support portion 23 is formed in a semicircular cross section.

このように支持部２３の突出表面は、上に述べたように、ワイパー作動時のエッジ部１８の適正な傾斜姿勢を保持するものであれば、特にその断面形状は限定されない。例えば三角形断面、半長円形断面等の任意な断面形状を選択することが可能である。   As described above, the cross-sectional shape of the projecting surface of the support portion 23 is not particularly limited as long as the edge portion 18 maintains the proper inclined posture during the operation of the wiper as described above. For example, it is possible to select an arbitrary cross-sectional shape such as a triangular cross section and a semi-elliptical cross section.

またワイパーゴム８の幅を可能な限り狭くするために、エッジ１８，１８間の間隙幅Ｌより狭く形成されることが望ましい。そのためには上に述べたように各エッジ部１８の内面は凹凸のないフラットな面であることが望ましい。   In order to make the width of the wiper rubber 8 as narrow as possible, it is desirable that the width be formed smaller than the gap width L between the edges 18. For this purpose, as described above, it is desirable that the inner surface of each edge portion 18 be a flat surface with no irregularities.

エッジ部１８や支持部２３の断面形状は、種々の変更が可能であるが、ワイパーゴムに求められる弾力性や耐摩耗性，雨水の払拭性能，ガラス面との摩擦係数，耐久性等の種々の要素によってその選択の幅が異なる。   The cross-sectional shapes of the edge portion 18 and the support portion 23 can be variously changed, but various shapes such as elasticity and abrasion resistance required for the wiper rubber, wiping performance of rainwater, a coefficient of friction with a glass surface, durability and the like are required. The width of the selection differs depending on the element.

この考案のワイパーゴムは自動車，電車，作業用車両等の主として車両用ウインドワイパーに使用されるものである。   The wiper rubber of the present invention is mainly used for vehicle wind wipers such as automobiles, trains, and work vehicles.

ワイパーの全体構造を示す側面図である。It is a side view which shows the whole structure of a wiper. 図１における矢印Ａ方向から観察した本考案のワイパーゴムの端面形状を示す拡大図である。FIG. 2 is an enlarged view showing an end face shape of the wiper rubber of the present invention observed from the direction of arrow A in FIG. 1. 図１における矢印Ｂ方向から観察した本考案のワイパーゴムの端面形状を示す拡大図である。FIG. 2 is an enlarged view showing an end face shape of the wiper rubber of the present invention observed from the direction of arrow B in FIG. 1. ワイパーの払拭作動時におけるワイパーゴムの変形状態を示す端面拡大図である。It is an end surface enlarged view which shows the deformation state of the wiper rubber at the time of the wiping operation of a wiper. ワイパーゴムの他の実施形態を示すワイパーゴムの端面拡大図である。It is an end surface enlarged view of wiper rubber which shows another embodiment of wiper rubber. 従来のワイパーゴムの断面形状の例を示す拡大端面図である。It is an enlarged end view which shows the example of the cross-sectional shape of the conventional wiper rubber. 従来のワイパーゴムの断面形状の例を示す拡大端面図である。It is an enlarged end view which shows the example of the cross-sectional shape of the conventional wiper rubber. 従来のワイパーゴムの断面形状の例を示す拡大端面図である。It is an enlarged end view which shows the example of the cross-sectional shape of the conventional wiper rubber.

符号の説明Explanation of reference numerals

３ ワイパーブレード
８ ワイパーゴム
９ ヘッド部
１０ 被払拭表面
１６ 本体部
１８ エッジ部
２１ 連結部
２３ 支持部 Reference Signs List 3 wiper blade 8 wiper rubber 9 head 10 wiping surface 16 main body 18 edge 21 connecting part 23 supporting part

Claims (3)

ワイパーブレード（３）に把持されるヘッド部（９）と、該ヘッド部（９）の下方において所定の間隙を介して下向きに突出し被払拭表面（１０）に接触する少なくとも２本のエッジ部（１８）と、上記ヘッド部（９）とエッジ部（１８）との間に一体的に形成される本体部（１６）とを断面内に備えたワイパーゴム（８）であって、隣接するエッジ部（１８）の内面を互いに対向し合う面に形成し、各エッジ部（１８）の断面の基端部側を外側に突出させた肉厚部とし、外側面を先端側に向かって収束する傾斜面に形成するとともに、先端部にワイパー作動時に被払拭表面（１０）に弾力的に接触する肉薄のブレードを形成し、上記エッジ部（１８）の基端部の内側寄り位置に、前記本体部（１６）に連結し各エッジ部（１８）が横方向に傾斜揺動する際の変形部分となる肉厚の薄いくびれ部からなる連結部（２１）を設けるとともに、該連結部（２１）の外側には、エッジ部（１８）の一定範囲の内向きの傾斜揺動を許容する横向きの溝（２２）を形成し、上記エッジ部（１８）間の間隙（１９）内に、ワイパー作動時に傾斜揺動する各エッジ部（１８）の基端部側の内面に当接することによりエッジ部（１８）の適正な傾斜及び湾曲姿勢を支え、両側面がエッジ部（１８）の内面に対して下向きに広がる傾斜面を備えた山形の断面の支持部（２３）を下向きに突設してなる複数エッジ型ワイパーゴム。   A head portion (9) gripped by the wiper blade (3) and at least two edge portions (10) projecting downward through a predetermined gap below the head portion (9) and coming into contact with the surface (10) to be wiped; 18) and a wiper rubber (8) having, in a cross section, a main body (16) integrally formed between the head portion (9) and the edge portion (18). The inner surface of the portion (18) is formed on surfaces facing each other, the base end side of the cross section of each edge portion (18) is a thick portion protruding outward, and the outer surface converges toward the distal end side. A thin blade is formed on the inclined surface and elastically comes into contact with the surface to be wiped (10) when the wiper is actuated, and the main body is located at a position closer to the inside of the base end of the edge (18). Section (16) and each edge section (18) A connecting portion (21) composed of a thin constricted portion serving as a deformed portion when the oblique swinging is performed is provided, and a predetermined range of inward direction of the edge portion (18) is provided outside the connecting portion (21). A lateral groove (22) is formed to allow tilting and swinging, and a gap (19) between the edge portions (18) is formed in the gap (19) at the base end side of each edge (18) that tilts and swings when the wiper is operated. The support portion (23) supports the proper inclination and bending posture of the edge portion (18) by abutting on the inner surface, and has a mountain-shaped cross section provided with an inclined surface whose both side surfaces extend downward with respect to the inner surface of the edge portion (18). ) Is a multi-edge wiper rubber that projects downward. 支持部（２３）が下向きの台形状の断面である請求項１の複数エッジ型ワイパーゴム。   The multi-edge wiper rubber according to claim 1, wherein the support portion (23) has a downward trapezoidal cross section. 支持部（２３）が半円形断面である請求項１の複数エッジ型ワイパーゴム。   The multi-edge wiper rubber according to claim 1, wherein the support (23) has a semicircular cross section.
JP2004002488U 2001-10-03 2004-05-06 Multi-edge wiper rubber Expired - Fee Related JP3105045U (en)

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Publication number Priority date Publication date Assignee Title
CN104494571A (en) * 2015-01-15 2015-04-08 陈学琴 Double-scraper flexible wall supporting foam inner support wiper rubber strip
CN111762128A (en) * 2019-04-02 2020-10-13 朴世宪 Wiper blade with asymmetrical wiping section

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB932233A (en) * 1958-04-29 1963-07-24 Trico Folberth Ltd Improvements relating to windscreen wipers
US3636583A (en) * 1970-01-26 1972-01-25 Ian K Rosen Squeegee blade
JPS603151U (en) * 1983-06-22 1985-01-11 吉川　利広 Automotive wiper rubber with multiple wiping parts
JPS61295157A (en) * 1985-06-20 1986-12-25 Yasuharu Nakayama Wiper blade
US4700425A (en) * 1986-01-21 1987-10-20 Rusnak Mark A Wiper element and holder
JPS6490850A (en) * 1987-09-30 1989-04-07 Nok Corp Wiper blade
US5732436A (en) * 1995-08-21 1998-03-31 Feigenbaum; Jeffery J. Replacement wiper blade

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