JP2005059644A - Wiper blade - Google Patents

Wiper blade Download PDF

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Publication number
JP2005059644A
JP2005059644A JP2003289698A JP2003289698A JP2005059644A JP 2005059644 A JP2005059644 A JP 2005059644A JP 2003289698 A JP2003289698 A JP 2003289698A JP 2003289698 A JP2003289698 A JP 2003289698A JP 2005059644 A JP2005059644 A JP 2005059644A
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Japan
Prior art keywords
wiper
cap member
cap
rubber
wiper rubber
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Granted
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JP2003289698A
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JP4308602B2 (en
Inventor
Kazutomo Tanaka
和知 田中
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Nippon Wiper Blade Co Ltd
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Nippon Wiper Blade Co Ltd
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Priority to JP2003289698A priority Critical patent/JP4308602B2/en
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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
    • B60S1/3848—Flat-type wiper blade, i.e. without harness
    • B60S1/3886—End caps
    • B60S1/3887—Mounting of end caps
    • B60S1/3893—Mounting of end caps cooperating with holes in the squeegee
    • 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
    • B60S1/3848—Flat-type wiper blade, i.e. without harness
    • B60S1/3849—Connectors therefor; Connection to wiper arm; Attached to blade
    • B60S1/3851—Mounting of connector to blade assembly
    • B60S1/3858—Mounting of connector to blade assembly with protrusions cooperating with holes
    • 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
    • B60S1/3848—Flat-type wiper blade, i.e. without harness
    • B60S1/3886—End caps
    • B60S1/3887—Mounting of end caps
    • B60S1/3889—Mounting of end caps cooperating with holes in the vertebra
    • 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
    • B60S2001/3812—Means of supporting or holding the squeegee or blade rubber
    • B60S2001/3822—Means of supporting or holding the squeegee or blade rubber characterised by additional means to prevent longitudinal sliding of squeegee in support, e.g. clips

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a wiper blade facilitating attachment/detachment of a cap member capable of surely fixing a wiper rubber and a vertebra. <P>SOLUTION: The wiper blade is equipped with a raised ridge 21 and slits 24A, 24B on the cap member 7. The wiper rubber 2 is provided with a recessed part 25 orthogonally extending to the longitudinal direction. The raised ridge 21 is fitted to the recessed part 25 and the cap member 7 is mounted by fitting of vertebras 3A, 3B to the slits 24A, 24B. When mounting the cap member 7, the cap member 7 is mounted to the wiper rubber 2 in the state where the wiper rubber 2 is extended to the longitudinal direction until the vertebras 3A, 3B do not come to fit to the slits 24A, 24B. The vertebras 3A, 3B are slid into the slits 24A, 24B by contracting the wiper rubber 2 to the natural length. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、ワイパー装置に備えられるワイパーブレードに関し、特に、ワイパーブレード両端部へのキャップ部材の装着を容易かつ確実にしたワイパーブレードに関する。   The present invention relates to a wiper blade provided in a wiper device, and more particularly to a wiper blade in which a cap member can be easily and reliably attached to both ends of a wiper blade.

ワイパー装置に備えられるワイパーブレードは、車輌のガラス面等の被払拭面を払拭するワイパーラバーを有し、このワイパーラバーの両側部に沿って一対の金属製板部材（いわゆるバーティブラ）を配置し、一体に固定して構成される。ここで、ワイパーラバーとバーティブラは、略同一の長さを有する部材であり、ワイパーラバー及びバーティブラの両端部分には、キャップ部材が装着され、一体の保持がなされている。   The wiper blade provided in the wiper device has a wiper rubber for wiping a surface to be wiped such as a glass surface of a vehicle, and a pair of metal plate members (so-called vertebra) are arranged along both sides of the wiper rubber. It is configured to be fixed integrally. Here, the wiper rubber and the vertebra are members having substantially the same length, and cap members are attached to both ends of the wiper rubber and the vertebra so as to be integrally held.

ところで、従来のワイパーブレードでは、キャップ部材をワイパーラバーの端部へ装着するとき、又はワイパーラバー端部から取り外すとき、キャップ部材を変形させることにより、ワイパーラバー端部にはめ込み、又は取り外すようになっていた。しかしながら、キャップ部材は、ワイパーラバー及びバーティブラの端部を一体に保持するもので、それほど大きく弾性変形するものとはできない。このため、キャップ部材を変形させながらの装着及び取り外し作業は、手間がかかり、実行しにくいものとなっていた。   By the way, in the conventional wiper blade, when the cap member is attached to the end of the wiper rubber or removed from the end of the wiper rubber, the cap member is deformed to be fitted into or removed from the end of the wiper rubber. It was. However, the cap member integrally holds the end portions of the wiper rubber and the vertebra, and cannot be elastically deformed so much. For this reason, mounting and detaching work while deforming the cap member is time-consuming and difficult to execute.

本発明は、このような問題点に着目してなされたもので、ワイパーラバーとバーティブラの確実な固定を行えるキャップ部材を容易に脱着し得るようにしたワイパーブレードを提供することを目的とする。   The present invention has been made paying attention to such problems, and an object of the present invention is to provide a wiper blade in which a cap member capable of securely fixing a wiper rubber and a vertebra is easily removable.

本発明は、ワイパーラバーと、前記ワイパーラバーの側部に取り付けられる板部材と、
前記ワイパーラバー及び板部材の端部に装着され前記ワイパーラバーと前記板部材を一体に保持するキャップ部材とを備えたワイパーブレードにおいて、前記ワイパーラバーに、前記ワイパーラバーの長手方向を横切る方向に延びる凹部を設け、前記キャップ部材に、前記凹部に嵌合する隆起部と、前記板部材の一部が嵌合するスリットとを備えた。
前記キャップ部材の隆起部は、前記凹部に上方から嵌合し、前記スリットは、前記板部材を上下方向から挟み込むようにしてもよい。 The present invention provides a wiper rubber, a plate member attached to a side portion of the wiper rubber,
A wiper blade mounted on an end portion of the wiper rubber and the plate member and provided with the wiper rubber and a cap member that integrally holds the plate member. The wiper rubber extends in a direction crossing a longitudinal direction of the wiper rubber. A recess was provided, and the cap member was provided with a raised portion that fits into the recess and a slit into which a part of the plate member fits.
The raised portion of the cap member may be fitted into the concave portion from above, and the slit may sandwich the plate member from above and below.

前記キャップ部材の隆起部は、前記キャップ部材の上部及び両側部の内側面にわたって延びていてもよい。
前記スリットは、前記キャップ部材の側部の内側面上に形成されていてもよい。 The raised portion of the cap member may extend over the upper surface of the cap member and the inner surface of both side portions.
The slit may be formed on the inner side surface of the side portion of the cap member.

前記スリットは、前記隆起部に形成されていてもよい。
前記ワイパーラバーは、前記スリットに前記板部材が嵌合しなくなるまで引き延ばされ得るようにしてもよい。 The slit may be formed in the raised portion.
The wiper rubber may be extended until the plate member does not fit into the slit.

また本発明は、ワイパーラバー及び板部材の端部に装着され前記ワイパーラバーと前記板部材を一体に保持するキャップ部材において、前記凹部に嵌合する隆起部と、前記板部材の一部が嵌合するスリットとを備えた。   Further, the present invention provides a cap member that is attached to the end portions of the wiper rubber and the plate member and integrally holds the wiper rubber and the plate member, and a raised portion that fits into the recess and a part of the plate member are fitted. And a slit to be joined.

本発明のワイパーブレード又はキャップ部材によれば、ワイパーラバーの凹部にキャップ部材の隆起部が嵌合し、板部材の一部がキャップ部材のスリットに嵌合する。したがって、キャップ部材の装着は、例えば、凹部に隆起部が嵌合するようにワイパーラバーにキャップ部材を装着した後、板部材の一部をスリットに滑り込ませることにより行えばよいので、装着作業時にキャップ部材を変形させる必要がなくなり、装着作業が容易となる。   According to the wiper blade or the cap member of the present invention, the raised portion of the cap member is fitted into the recess of the wiper rubber, and a part of the plate member is fitted into the slit of the cap member. Therefore, the mounting of the cap member may be performed by, for example, sliding a part of the plate member into the slit after mounting the cap member on the wiper rubber so that the raised portion fits into the recess. It is not necessary to deform the cap member, and the mounting operation is facilitated.

また、キャップ部材の隆起部は凹部に上方から嵌合し、スリットは板部材を上下方向から挟み込むようにすれば、ワイパーラバーの長手方向を横切る方向に延びる凹部にキャップ部材の隆起部が嵌合することにより、キャップ部材がワイパーラバーの長手方向へ動くことが制限され、スリットへの板部材の嵌合により、キャップ部材の上下方向への動きが制限される。したがって、キャップ部材は、ワイパーラバー及び板部材に確実に固定され、ワイパーラバー及び板部材の端部の確実な一体保持がなされる。   Also, if the raised part of the cap member is fitted into the concave part from above, and the slit is inserted between the plate member from above and below, the raised part of the cap member is fitted into the concave part extending in the direction transverse to the longitudinal direction of the wiper rubber. Thus, the cap member is restricted from moving in the longitudinal direction of the wiper rubber, and the movement of the cap member in the vertical direction is restricted by the fitting of the plate member to the slit. Therefore, the cap member is securely fixed to the wiper rubber and the plate member, and the end portions of the wiper rubber and the plate member are securely held together.

また、スリットに板部材が嵌合しなくなるまで、ワイパーラバーが引き延ばされるようにすれば、キャップ部材の装着時には、ワイパーラバーを引き延ばした状態で、ワイパーラバーの凹部にキャップ部材の隆起部を嵌合させ、その後、ワイパーラバーを自然長に収縮させ、板部材がキャップ部材のスリット内に滑り込むようにできる。さらに、キャップ部材の取り外し持には、ワイパーラバーを引き延ばすことにより、板部材をキャップ部材のスリットから外に出した状態として、キャップ部材をワイパーラバーから取り外せる。したがって、キャップ部材の脱着作業は、キャップ部材を変形させることなく、極めて容易に行える。   Further, if the wiper rubber is extended until the plate member does not fit into the slit, when the cap member is mounted, the raised portion of the cap member is fitted into the recess of the wiper rubber while the wiper rubber is extended. After that, the wiper rubber is contracted to a natural length so that the plate member slides into the slit of the cap member. Further, to remove the cap member, the cap member can be removed from the wiper rubber by extending the wiper rubber so that the plate member is brought out of the slit of the cap member. Therefore, the work for removing the cap member can be performed very easily without deforming the cap member.

以下、添付図面を参照して本発明の各実施形態を説明する。
図１には、本発明の実施形態のワイパーブレード１を示す。ワイパーブレード１は、図示されないワイパーアーム及び駆動モータとともにワイパー装置の一部を構成するもので、図示されるように、ブレードラバー２と、一対のバーティブラ３Ａ、３Ｂと、連結部材４と、一対のキャップ部材７、７´とから構成される。ワイパーブレード１は、連結部材４を介してワイパーアームに取り付けられ、駆動モータによるワイパーアームの駆動により、車輌のガラス面等の被払拭面上で動作し、ブレードラバー２によって被払拭面を払拭する。なお、連結部材４には、図示されないワイパーアームと連結するための構造が備えられるが、本実施形態では、図示及び説明を省略する。 Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 shows a wiper blade 1 according to an embodiment of the present invention. The wiper blade 1 constitutes a part of a wiper device together with a wiper arm and a drive motor (not shown). As shown in the drawing, the blade rubber 2, a pair of vertebras 3A and 3B, a connecting member 4, and a pair of It is comprised from the cap members 7 and 7 '. The wiper blade 1 is attached to a wiper arm via a connecting member 4, operates on a surface to be wiped such as a glass surface of a vehicle by driving the wiper arm by a drive motor, and wipes the surface to be wiped by a blade rubber 2. . In addition, although the structure for connecting with the wiper arm which is not illustrated is provided in the connection member 4, illustration and description are abbreviate | omitted in this embodiment.

図２に示すように、ブレードラバー２は、ゴム製の長尺状部材で、その下部に、被払拭面を払拭するためのブレード部１１を備えている。ブレードラバー２の両側には、それぞれバーティブラ７Ａ、７Ｂを装着するための溝部１２Ａ、１２Ｂが、ブレードラバー２の全長にわたって形成されている（図２では、溝部１２Ａのみを示す）。ブレードラバー２上部の長手方向両側には、ブレードラバー２の強度を高めるため、肉厚の補強部１３、１３´が設けられている。これら補強部１３、１３´の間の部分が、連結部材４が装着される連結部材装着部１４となっている。   As shown in FIG. 2, the blade rubber 2 is a long rubber member, and includes a blade portion 11 for wiping the surface to be wiped at the lower part. On both sides of the blade rubber 2, grooves 12A and 12B for mounting the vertebras 7A and 7B are formed over the entire length of the blade rubber 2 (only the groove 12A is shown in FIG. 2). In order to increase the strength of the blade rubber 2, thick reinforcing portions 13 and 13 ′ are provided on both longitudinal sides of the upper portion of the blade rubber 2. A portion between the reinforcing portions 13 and 13 ′ is a connecting member mounting portion 14 to which the connecting member 4 is mounted.

ブレードラバー２の両端部１５、１５´付近は、キャップ部材７、７´が装着されるキャップ装着部１６、１６´となっている。キャップ装着部１６、１６´の詳しい構成は、キャップ部材７、７´の構成とともに後述する。また、ブレードラバー２は、弾性変形により長手方向に自然長から伸長しうるものであり、このブレードラバー２の弾性変形を利用してキャップ部材７、７´の装着がなされる。これについては、図７以降の装着方法の説明で詳しく述べる。   Near both end portions 15 and 15 ′ of the blade rubber 2 are cap mounting portions 16 and 16 ′ to which the cap members 7 and 7 ′ are mounted. The detailed configuration of the cap mounting portions 16 and 16 ′ will be described later together with the configuration of the cap members 7 and 7 ′. Further, the blade rubber 2 can be extended from its natural length in the longitudinal direction by elastic deformation, and the cap members 7 and 7 ′ are mounted using the elastic deformation of the blade rubber 2. This will be described in detail in the description of the mounting method from FIG.

図３に示すように、バーティブラ３Ａ、３Ｂは、長尺状の板部材であり、ブレードラバー２と略等しい長さを持ち、ブレードラバー２の両側に装着されることにより、ブレードラバー２と並列に配置される。これにより、バーティブラ３Ａの端部１７Ａとバーティブラ３Ｂの端部１７Ｂは、ブレードラバー２の端部１５と一致する位置に配置され、またバーティブラ３Ａの端部１７Ａ´とバーティブラ３Ｂの端部１７Ｂ´は、ブレードラバー２の端部１５´と一致する位置に配置される。なお、バーティブラ３Ａ、３Ｂは、ブレードラバー２にかかる荷重を、ブレードラバー２の全長にわたって均等に分配するためのもので、例えば、金属材料からなるものである。   As shown in FIG. 3, the vertebras 3 </ b> A and 3 </ b> B are long plate members, have substantially the same length as the blade rubber 2, and are mounted on both sides of the blade rubber 2, thereby being parallel to the blade rubber 2. Placed in. As a result, the end 17A of the vertebra 3A and the end 17B of the vertebra 3B are arranged at a position coincident with the end 15 of the blade rubber 2, and the end 17A 'of the vertebra 3A and the end 17B' of the vertebra 3B are The blade rubber 2 is disposed at a position that coincides with the end 15 ′ of the blade rubber 2. The vertebras 3A and 3B are for evenly distributing the load applied to the blade rubber 2 over the entire length of the blade rubber 2, and are made of, for example, a metal material.

バーティブラ３Ａの両端部１７Ａ、１７Ａ´付近は、スリット嵌合部１８Ａ、１８Ａ´である。同様に、バーティブラ３Ｂの両端部１７Ｂ、１７Ｂ´付近は、スリット嵌合部１８Ｂ、１８Ｂ´である。スリット嵌合部１８Ａ、１８Ｂは、ブレードラバー２のキャップ装着部１６と重なる位置に配置され、それぞれキャップ部材７のスリット２４Ａ、２４Ｂ（図４、図５参照）に嵌合する。同様に、スリット嵌合部１８Ａ´、１８Ｂ´は、ブレードラバー２のキャップ装着部１６´と重なる位置に配置され、キャップ部材７´のスリットに嵌合する。   Near both end portions 17A and 17A ′ of the vertebra 3A are slit fitting portions 18A and 18A ′. Similarly, both end portions 17B and 17B ′ of the vertebra 3B are slit fitting portions 18B and 18B ′. The slit fitting portions 18A and 18B are arranged at positions overlapping the cap mounting portion 16 of the blade rubber 2, and are fitted into the slits 24A and 24B (see FIGS. 4 and 5) of the cap member 7, respectively. Similarly, the slit fitting portions 18A ′ and 18B ′ are arranged at positions overlapping the cap mounting portion 16 ′ of the blade rubber 2 and are fitted into the slits of the cap member 7 ′.

バーティブラ３Ａ、３Ｂの外側側辺には、それぞれ、切り欠き部１９Ａ、１９Ｂが形成されている。図１に示すように、これらの切り欠き部１９Ａ、１９Ｂには、連結部材４下面の突起部５Ａ、５Ｂがそれぞれ嵌め込まれる。突起部５Ａ、５Ｂには、それぞれスリット６Ａ、６Ｂが形成されている（図１には、突起部５Ａ及びスリット６Ａのみを示す）。そして、切り欠き部１９Ａ、１９Ｂの縁部が、それぞれスリット６Ａ、６Ｂに嵌合することにより、連結部材４とバーティブラ３Ａ、３Ｂが連結される。   Notches 19A and 19B are formed on the outer sides of the vertebras 3A and 3B, respectively. As shown in FIG. 1, the protrusions 5A and 5B on the lower surface of the connecting member 4 are fitted into the notches 19A and 19B, respectively. Slits 6A and 6B are formed in the protrusions 5A and 5B, respectively (only the protrusion 5A and the slit 6A are shown in FIG. 1). And the connection member 4 and the vertebra 3A, 3B are connected by the edge part of notch part 19A, 19B fitting to slit 6A, 6B, respectively.

図４、図５には、キャップ部材７を示す。なお、キャップ部材７とキャップ部材７´は全く同じ構成を有するものなので、以下、キャップ部材７についてのみ説明する。
キャップ部材７は、底部と背部が開口した略直方体形状の部材であり、開口した背部側をワイパーブレードの中央側に向けて、ワイパーラバー２のキャップ装着部１６に装着される。キャップ部材７の中空内部には、隆起部２１が設けられる。隆起部２１は、キャップ部材７の側部２２Ａの内側面から、上部２３の内側面及び反対側の側部２２Ｂの内側面にわたって、キャップ部材７を横断して延びている。この隆起部２１は、ワイパーラバー２のキャップ装着部１６に形成された凹部２５（図６参照）に嵌合する。 4 and 5 show the cap member 7. Since the cap member 7 and the cap member 7 'have exactly the same configuration, only the cap member 7 will be described below.
The cap member 7 is a substantially rectangular parallelepiped member having an open bottom and a back portion, and is mounted on the cap mounting portion 16 of the wiper rubber 2 with the opened back portion facing the center side of the wiper blade. A raised portion 21 is provided in the hollow interior of the cap member 7. The raised portion 21 extends across the cap member 7 from the inner surface of the side portion 22A of the cap member 7 to the inner surface of the upper portion 23 and the inner surface of the opposite side portion 22B. The raised portion 21 fits into a recess 25 (see FIG. 6) formed in the cap mounting portion 16 of the wiper rubber 2.

隆起部２１には、スリット２４Ａ、２４Ｂが形成されている。スリット２４Ａ、２４Ｂは、それぞれ側部２２Ａ、２２Ｂの下端付近の側方に位置し、隆起部２１を横切る方向に延びている。これにより、スリット２４Ａ、２４Ｂは、キャップ部材７をブレードラバー２に装着したときに、ブレードラバー２の長手方向に延びて配置される。これらのスリット２４Ａ、２４Ｂには、溝部１２Ａ、１２Ｂ内に装着されたバーティブラ３Ａ、３Ｂの端部１８Ａ、１８Ｂが、それぞれ嵌合する（図１１参照）。   In the raised portion 21, slits 24A and 24B are formed. The slits 24 </ b> A and 24 </ b> B are located on the sides near the lower ends of the side portions 22 </ b> A and 22 </ b> B, respectively, and extend in a direction crossing the raised portion 21. Accordingly, the slits 24 </ b> A and 24 </ b> B are arranged to extend in the longitudinal direction of the blade rubber 2 when the cap member 7 is attached to the blade rubber 2. The slits 24A and 24B are fitted with end portions 18A and 18B of the vertebras 3A and 3B mounted in the grooves 12A and 12B, respectively (see FIG. 11).

図６には、ワイパーラバー２のキャップ装着部１６を示す。なお、反対側のキャップ装着部１６´は、キャップ装着部１６と同様の構成のものであるので、以下、キャップ装着部１６についてのみ説明する。   In FIG. 6, the cap mounting part 16 of the wiper rubber 2 is shown. Since the cap mounting portion 16 'on the opposite side has the same configuration as the cap mounting portion 16, only the cap mounting portion 16 will be described below.

キャップ装着部１６は、キャップ部材７の中空部に嵌合するもので、キャップ部材７の中空部に適合した略直方体形状及び寸法を有している。キャップ装着部１６の略中央部付近には、凹部２５が設けられる。この凹部２５は、キャップ装着部１６の上面及び両側面にわたって、キャップ装着部１６を横断して延びている。つまり、凹部２５は、ワイパーラバー２の長手方向と直交する方向に延びている。また、凹部２５は、キャップ部材７の隆起部２１に対応する位置に形成されており、キャップ部材７の隆起部２１が嵌合する。これにより、キャップ部材７の前後方向（ワイパーブレードの長手方向）への抜け出しが防止される。   The cap mounting portion 16 is fitted into the hollow portion of the cap member 7, and has a substantially rectangular parallelepiped shape and dimensions that fit the hollow portion of the cap member 7. A concave portion 25 is provided in the vicinity of the substantially central portion of the cap mounting portion 16. The recess 25 extends across the cap mounting portion 16 over the upper surface and both side surfaces of the cap mounting portion 16. That is, the recess 25 extends in a direction orthogonal to the longitudinal direction of the wiper rubber 2. Moreover, the recessed part 25 is formed in the position corresponding to the protruding part 21 of the cap member 7, and the protruding part 21 of the cap member 7 fits. This prevents the cap member 7 from coming out in the front-rear direction (longitudinal direction of the wiper blade).

キャップ装着部１６の下方には、ブレードラバー２の溝部１２Ａ、１２Ｂが、ブレードラバー２の先端１５に達するまで延びている。キャップ部材７をキャップ装着部１６に装着した場合、隆起部２１のスリット２４Ａ、２４Ｂは、溝部１２Ａ、１２Ｂの側方に配置される。したがって、溝部１２Ａ、１２Ｂ内に装着されているバーティブラ３Ａ、３Ｂの端部１８Ａ、１８Ｂは、それぞれスリット２４Ａ、２４Ｂ内に嵌合する。これにより、キャップ部材７のスリット２４Ａ、２４Ｂは、バーティブラ３Ａのスリット嵌合部１８Ａ、バーティブラ３Ｂのスリット嵌合部１８Ｂを、それぞれ上下から挟み込む形になるので、キャップ部材７の上下方向への抜け出しが防止される。   Below the cap mounting portion 16, the groove portions 12 </ b> A and 12 </ b> B of the blade rubber 2 extend until reaching the tip 15 of the blade rubber 2. When the cap member 7 is mounted on the cap mounting portion 16, the slits 24A and 24B of the raised portion 21 are disposed on the sides of the groove portions 12A and 12B. Accordingly, the end portions 18A and 18B of the vertebras 3A and 3B mounted in the groove portions 12A and 12B are fitted in the slits 24A and 24B, respectively. As a result, the slits 24A and 24B of the cap member 7 are formed so as to sandwich the slit fitting portion 18A of the vertebra 3A and the slit fitting portion 18B of the vertebra 3B from above and below, so that the cap member 7 is pulled out in the vertical direction. Is prevented.

次に、図７から図１０を用いて、ワイパーラバー２及びバーティブラ３Ａ、３Ｂへのキャップ部材７の装着方法について説明する。
図７には、自然長のワイパーラバー２にバーティブラ３Ａ、３Ｂ及び連結部材４を接続した状態を示す。この場合、バーティブラ３Ａ、３Ｂはワイパーラバー２と略同一の長さを有するので、バーティブラ３Ａ、３Ｂの端部１７Ａ、１７Ｂの位置はワイパーラバー２の端部１５の位置に一致し、またバーティブラ３Ａ、３Ｂの端部１７Ａ´、１７Ｂ´の位置はワイパーラバー２の端部１５´の位置に一致している。なお、図７及び図８では、便宜上、バーティブラ３Ａの側面にハッチングを付して示している。 Next, a method for attaching the cap member 7 to the wiper rubber 2 and the vertebras 3A and 3B will be described with reference to FIGS.
FIG. 7 shows a state in which the vertebras 3A and 3B and the connecting member 4 are connected to the natural length wiper rubber 2. In this case, since the vertebra 3A, 3B has substantially the same length as the wiper rubber 2, the positions of the ends 17A, 17B of the vertebra 3A, 3B coincide with the position of the end 15 of the wiper rubber 2, and the vertebra 3A The positions of the end portions 17A ′ and 17B ′ of 3B coincide with the position of the end portion 15 ′ of the wiper rubber 2. 7 and 8, for convenience, the side surface of the vertebra 3A is hatched.

この図７の状態から、ワイパーラバー２を長手方向に引っ張って、全体的に伸長するように弾性変形させる。これにより、図８に示すように、ワイパーラバー２の端部１５、１５´は、それぞれ、バーティブラ３Ａの端部１７Ａ及びバーティブラ３Ｂの端部１７Ｂ、バーティブラ３Ａの端部１７Ａ´及びバーティブラ３Ｂの端部１７Ｂ´よりも長手方向外側に延び出した状態となる。この伸長は、少なくとも、バーティブラ３Ａ、３Ｂのスリット嵌合部１８Ａ、１８Ｂは、ワイパーラバー２のキャップ装着部１６の凹部２５よりも、ワイパーラバー２の中央部側に後退した位置となるところまで行う。同様に、スリット嵌合部１８Ａ´、１８Ｂ´は、キャップ装着部１６´の凹部２５´よりも、ワイパーラバー２の中央部側に後退した位置とする。図９には、キャップ装着部１５側について、この状態を斜視図で示す。   From the state shown in FIG. 7, the wiper rubber 2 is pulled in the longitudinal direction and elastically deformed so as to extend as a whole. As a result, as shown in FIG. 8, the end portions 15 and 15 'of the wiper rubber 2 are the end portion 17A of the vertebra 3A, the end portion 17B of the vertebra 3B, the end portion 17A' of the vertebra 3A and the end of the vertebra 3B, respectively. It will be in the state extended to the longitudinal direction outer side rather than part 17B '. This extension is performed at least until the slit fitting portions 18A and 18B of the vertebras 3A and 3B are set to a position where they are retracted toward the center of the wiper rubber 2 rather than the recess 25 of the cap mounting portion 16 of the wiper rubber 2. . Similarly, the slit fitting portions 18A ′ and 18B ′ are set at positions retreated toward the center of the wiper rubber 2 from the concave portion 25 ′ of the cap mounting portion 16 ′. FIG. 9 is a perspective view showing this state with respect to the cap mounting portion 15 side.

図８、図９のようにワイパーラバー２を引き延ばした状態で、ワイパーラバー２のキャップ装着部１６、１６´にキャップ部材７、７´を装着する。図１０には、キャップ装着部１６にキャップ部材７を装着した状態を示す。この場合、バーティブラ３Ａ、３Ｂ先端のスリット嵌合部１８Ａ、１８Ｂはワイパーラバー２の凹部２５よりも後退した位置にあり、同様に、スリット嵌合部１８Ａ´、１８Ｂ´はワイパーラバー２の凹部２５´よりも後退した位置にある。したがって、キャップ部材７、７´の隆起部２１、２１´は、バーティブラ３Ａ、３Ｂと干渉すること無く、凹部２５、２５´に嵌合する。   With the wiper rubber 2 extended as shown in FIGS. 8 and 9, the cap members 7 and 7 ′ are mounted on the cap mounting portions 16 and 16 ′ of the wiper rubber 2. FIG. 10 shows a state where the cap member 7 is mounted on the cap mounting portion 16. In this case, the slit fitting portions 18A and 18B at the tips of the vertebras 3A and 3B are in a position retracted from the concave portion 25 of the wiper rubber 2, and similarly, the slit fitting portions 18A 'and 18B' are concave portions 25 of the wiper rubber 2. It is in a position retracted from '. Accordingly, the raised portions 21 and 21 ′ of the cap members 7 and 7 ′ are fitted into the recesses 25 and 25 ′ without interfering with the vertebra 3 </ b> A and 3 </ b> B.

このように、キャップ部材７、７´をキャップ装着部１６、１６´に装着したら、ワイパーラバー２を引っ張るのをやめて、ワイパーラバー２を自然長まで収縮させる。この収縮にともなって、バーティブラ３Ａ、３Ｂのスリット嵌合部１８Ａ、１８Ｂは、キャップ装着部１６の凹部２５下方にスライドしてくる。この結果、スリット嵌合部１８Ａ、１８Ｂは、キャップ部材７の隆起部２１に形成されたスリット２４Ａ、２４Ｂに、それぞれ嵌合する。同様に、スリット嵌合部１８Ａ´、１８Ｂ´は、キャップ部材７´のスリットに嵌合する。   As described above, when the cap members 7 and 7 'are mounted on the cap mounting portions 16 and 16', the wiper rubber 2 is stopped from being pulled, and the wiper rubber 2 is contracted to the natural length. Along with this contraction, the slit fitting portions 18A, 18B of the vertebras 3A, 3B slide down below the recess 25 of the cap mounting portion 16. As a result, the slit fitting portions 18A and 18B are fitted into the slits 24A and 24B formed in the raised portion 21 of the cap member 7, respectively. Similarly, the slit fitting portions 18A ′ and 18B ′ are fitted into the slits of the cap member 7 ′.

このように、本実施形態のワイパーブレード１によれば、キャップ部材７、７´の隆起部２１が、ブレードラバー２の長手方向と直交して延びる凹部２５に嵌合することにより、キャップ部材７、７´のワイパーラバー２の長手方向への抜け出しが防止される一方、キャップ部材７、７´のスリット２４Ａ及び２４Ｂ、２４Ａ´及び２４Ｂ´内に、バーティブラ３Ａ及び３Ｂのスリット嵌合部１８Ａ及び１８Ｂ、１８Ａ´及び１８Ｂ´が嵌合し、上下から挟み込まれることにより、キャップ部材７、７´の上下方向への抜け出しも防止される。したがって、キャップ部材は、ワイパーラバー２及びバーティブラ３Ａ、３Ｂに対して確実に固定される。   As described above, according to the wiper blade 1 of the present embodiment, the raised portions 21 of the cap members 7, 7 ′ are fitted into the recessed portions 25 extending perpendicular to the longitudinal direction of the blade rubber 2, whereby the cap member 7. , 7 'wiper rubber 2 is prevented from slipping out in the longitudinal direction, while slit fitting portions 18A of vertebras 3A and 3B are fitted in slits 24A and 24B, 24A' and 24B 'of cap members 7 and 7'. 18B, 18A ', and 18B' are fitted and sandwiched from above and below, thereby preventing the cap members 7 and 7 'from coming out in the vertical direction. Therefore, the cap member is securely fixed to the wiper rubber 2 and the vertebras 3A and 3B.

また、キャップ部材７、７´の装着時には、ワイパーラバー２を一時的に弾性的に伸長させることにより、バーティブラ３Ａ及び３Ｂのスリット嵌合部１８Ａ及び１８Ｂ、１８Ａ´及び１８Ｂ´を、ワイパーラバー２の凹部２５、２５´の下方から退避させる。これにより、キャップ部材７、７´の隆起部２１、２１´をキャップ装着部１６、１６´の奥部１５、１５´へ嵌合させるときに、キャップ部材７、７´の隆起部２１、２１´がスリット嵌合部１８Ａ及び１８Ｂ、スリット嵌合部１８Ａ´及び１８Ｂ´に当たらないようにできる。したがって、嵌合作業は、キャップ部材７、７´をキャップ装着部１６、１６´へ上方から嵌め込むだけで容易に行える。   Further, when the cap members 7 and 7 'are attached, the wiper rubber 2 is temporarily elastically extended, whereby the slit fitting portions 18A and 18B, 18A' and 18B 'of the vertebras 3A and 3B are replaced with the wiper rubber 2. The recesses 25 and 25 'are retracted from below. Accordingly, when the raised portions 21 and 21 ′ of the cap members 7 and 7 ′ are fitted to the inner portions 15 and 15 ′ of the cap mounting portions 16 and 16 ′, the raised portions 21 and 21 of the cap members 7 and 7 ′. It is possible to prevent 'from hitting the slit fitting portions 18A and 18B and the slit fitting portions 18A' and 18B '. Therefore, the fitting operation can be easily performed only by fitting the cap members 7 and 7 ′ into the cap mounting portions 16 and 16 ′ from above.

さらに、キャップ部材７、７´をキャップ装着部１６、１６´へ装着した後、ワイパーラバー２を弾性的に収縮させれば、バーティブラ３Ａ及び３Ｂのスリット嵌合部１８Ａ及び１８Ｂ、スリット嵌合部１８Ａ´及び１８Ｂ´は、それぞれ、キャップ部材７のスリット２４Ａ及び２４Ｂ、キャップ部材７´のスリット２４Ａ´、２４Ｂ´内に、自然に滑り込む。したがって、キャップ部材７、７´とバーティブラ３Ａ、３Ｂの結合も容易に行える。このように本実施形態のワイパーブレード１によれば、キャップ部材７、７´の確実な装着を、極めて容易な作業で達成できる。   Further, if the wiper rubber 2 is elastically contracted after the cap members 7 and 7 'are mounted on the cap mounting portions 16 and 16', the slit fitting portions 18A and 18B of the vertebras 3A and 3B, the slit fitting portion 18A ′ and 18B ′ naturally slide into the slits 24A and 24B of the cap member 7 and the slits 24A ′ and 24B ′ of the cap member 7 ′, respectively. Accordingly, the cap members 7 and 7 'and the vertebras 3A and 3B can be easily combined. As described above, according to the wiper blade 1 of the present embodiment, the secure attachment of the cap members 7 and 7 'can be achieved by an extremely easy operation.

一方、ワイパーラバー２からキャップ部材７、７´を取り外すときには、ワイパーラバー２を長手方向に引き延ばし、バーティブラ３Ａ及び３Ｂのスリット嵌合部１８Ａ及び１８Ｂ、スリット嵌合部１８Ａ´及び１８Ｂ´を、それぞれキャップ部材７のスリット２４Ａ及び２４Ｂ、キャップ部材７´のスリット２４Ａ´、２４Ｂ´から外に出す。この状態で、キャップ部材７、７´を上方に持ち上げれば、バーティブラ３Ａ、３Ｂと干渉することなく、容易にキャップ部材７、７´を取り外すことができる。   On the other hand, when removing the cap members 7 and 7 'from the wiper rubber 2, the wiper rubber 2 is extended in the longitudinal direction, and the slit fitting portions 18A and 18B and slit fitting portions 18A' and 18B 'of the vertebras 3A and 3B are respectively It goes out from slits 24A and 24B of the cap member 7 and slits 24A 'and 24B' of the cap member 7 '. If the cap members 7 and 7 'are lifted upward in this state, the cap members 7 and 7' can be easily removed without interfering with the vertebras 3A and 3B.

なお、上記実施形態では、ワイパーブレード１の両側において、キャップ部材７、７´を装着するときに、ブレードラバー２を引き延ばすようにしたが、本発明は、必ずしもこのような形態に限られるものではない。例えば、ブレードラバー２に対するバーティブラ３Ａ、３Ｂの位置を、バーティブラ３Ａ及び３Ｂのスリット嵌合部１８Ａ及び１８Ｂ又は１８Ａ´及び１８Ｂ´がワイパーラバー２の凹部２５又は２５´の下方から退避するところまで、長手方向にずらした状態にしておいて、凹部２５又は２５´にキャップ部材７又は７´の隆起部２１又は２１´を嵌合させ、その後、バーティブラ３Ａ、３Ｂをブレードラバー２と端部同士が一致するところまで長手方向に動かして、バーティブラ３Ａ、３Ｂのスリット嵌合部がキャップ部材７又は７´のスリットに嵌合するようにしてもよい。   In the above embodiment, the blade rubber 2 is extended when the cap members 7 and 7 'are mounted on both sides of the wiper blade 1, but the present invention is not necessarily limited to such a form. Absent. For example, the position of the vertebra 3A, 3B with respect to the blade rubber 2 until the slit fitting portions 18A and 18B or 18A 'and 18B' of the vertebra 3A and 3B are retracted from below the recess 25 or 25 'of the wiper rubber 2, In the state shifted in the longitudinal direction, the raised portions 21 or 21 ′ of the cap member 7 or 7 ′ are fitted into the recesses 25 or 25 ′, and then the blade rubbers 3 </ b> A and 3 </ b> B are placed between the blade rubber 2 and the ends. The slit fitting portions of the vertebras 3A and 3B may be fitted to the slits of the cap member 7 or 7 'by moving in the longitudinal direction until they coincide.

本発明の実施形態におけるワイパーブレードの全体構成を示す斜視図である。It is a perspective view showing the whole wiper blade composition in the embodiment of the present invention. 同じくワイパーラバーを示す斜視図である。It is a perspective view which similarly shows a wiper rubber. 同じくバーティブラを示す斜視図である。It is a perspective view which similarly shows a vertebra. 同じくキャップ部材を示す斜視図である。It is a perspective view which similarly shows a cap member. 同じくキャップ部材を示す斜視図である。It is a perspective view which similarly shows a cap member. 同じくワイパーラバーのキャップ装着部を示す斜視図である。It is a perspective view which similarly shows the cap mounting part of a wiper rubber. 同じく自然長のワイパーラバーにバーティブラを装着した状態を示す側面図である。It is a side view which shows the state which mounted | wore with the natural length wiper rubber similarly. 同じくワイパーラバーを引き延ばした状態を示す側面図である。It is a side view which similarly shows the state which extended the wiper rubber. 同じくワイパーラバーを引き延ばした状態でのキャップ装着部を示す斜視図である。It is a perspective view which similarly shows the cap mounting part in the state which extended the wiper rubber. 同じくキャップ装着部にキャップ部材を装着した状態を示す斜視図である。It is a perspective view which shows the state which similarly attached the cap member to the cap mounting part.

符号の説明Explanation of symbols

１ ワイパーブレード
２ ワイパーラバー
３Ａ、３Ｂ バーティブラ
４ 連結部材
７ キャップ部材
１５ ワイパーラバーの端部
１６ キャップ装着部
１７Ａ、１７Ｂ バーティブラの端部
１８Ａ、１８Ｂ スリット嵌合部
２１ 隆起部
２４Ａ、２４Ｂ スリット
２５ 凹部 DESCRIPTION OF SYMBOLS 1 Wiper blade 2 Wiper rubber 3A, 3B Vertibula 4 Connection member 7 Cap member 15 End 16 of wiper rubber Cap mounting part 17A, 17B End 18A, 18B of a vibrabra Slit fitting part 21 Raised part 24A, 24B Slit 25 Recess

Claims (7)

ワイパーラバーと、
前記ワイパーラバーの側部に取り付けられる板部材と、
前記ワイパーラバー及び板部材の端部に装着され前記ワイパーラバーと前記板部材を一体に保持するキャップ部材と
を備えたワイパーブレードにおいて、
前記ワイパーラバーに、前記ワイパーラバーの長手方向を横切る方向に延びる凹部を設け、
前記キャップ部材に、前記凹部に嵌合する隆起部と、前記板部材の一部が嵌合するスリットとを備えたワイパーブレード。 Wiper rubber,
A plate member attached to a side portion of the wiper rubber;
In the wiper blade comprising the wiper rubber and a cap member that is attached to an end portion of the plate member and integrally holds the wiper rubber and the plate member,
The wiper rubber is provided with a recess extending in a direction crossing the longitudinal direction of the wiper rubber,
A wiper blade provided with a raised portion that fits into the recess and a slit into which a part of the plate member fits in the cap member. 前記キャップ部材の隆起部は、前記凹部に上方から嵌合し、前記スリットは、前記板部材を上下方向から挟み込むようにした請求項１に記載のワイパーブレード。 The wiper blade according to claim 1, wherein the raised portion of the cap member is fitted into the concave portion from above, and the slit sandwiches the plate member from above and below. 前記キャップ部材の隆起部は、前記キャップ部材の上部及び両側部の内側面にわたって延びている請求項１又は請求項２に記載のワイパーブレード。 3. The wiper blade according to claim 1, wherein the raised portion of the cap member extends over an upper surface of the cap member and an inner surface of both side portions. 前記スリットは、前記キャップ部材の側部の内側面上に形成されている請求項１から請求項３のいずれか一つに記載のワイパーブレード。 The wiper blade according to any one of claims 1 to 3, wherein the slit is formed on an inner side surface of a side portion of the cap member. 前記スリットは、前記隆起部に形成されている請求項１から請求項４のいずれか一つに記載のワイパーブレード。 The wiper blade according to any one of claims 1 to 4, wherein the slit is formed in the raised portion. 前記ワイパーラバーは、前記スリットに前記板部材が嵌合しなくなるまで引き延ばされ得る請求項１から請求項６のいずれか一つに記載のワイパーブレード。 The wiper blade according to any one of claims 1 to 6, wherein the wiper rubber can be extended until the plate member does not fit into the slit. ワイパーラバー及び板部材の端部に装着され前記ワイパーラバーと前記板部材を一体に保持するキャップ部材において、
前記凹部に嵌合する隆起部と、
前記板部材の一部が嵌合するスリットと
を備えたキャップ部材。 In the cap member that is attached to the end of the wiper rubber and the plate member and holds the wiper rubber and the plate member together,
A raised portion that fits into the recess;
A cap member comprising a slit into which a part of the plate member is fitted.
JP2003289698A 2003-08-08 2003-08-08 Wiper blade Expired - Fee Related JP4308602B2 (en)

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