JP4289190B2 - Protective shield - Google Patents

Protective shield Download PDF

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JP4289190B2
JP4289190B2 JP2004101765A JP2004101765A JP4289190B2 JP 4289190 B2 JP4289190 B2 JP 4289190B2 JP 2004101765 A JP2004101765 A JP 2004101765A JP 2004101765 A JP2004101765 A JP 2004101765A JP 4289190 B2 JP4289190 B2 JP 4289190B2
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shield
shock absorber
window
protective shield
shield body
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JP2005283055A (en
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隆雄 太田
章 矢部
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Sumitomo Bakelite Co Ltd
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Sumitomo Bakelite Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/06—Shields
    • F41H5/08—Shields for personal use, i.e. hand held shields

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  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Description

本発明は、防護盾に関するものである。 The present invention relates to a protective shield .

飛来物から人体を防護するため、古くから盾は使われており、対象とする飛来物によって様々な盾が供給されている。当然ながら、飛来物の衝撃力が高くなればなるほど盾に要求される防護性能は高まり、その結果盾の重量は重くなっていく。また、防護する面積を広げて広範囲を防護しようとすると、大きな盾が必要となるためやはり重くなる。 In order to protect the human body from flying objects, shields have been used for a long time, and various shields are supplied depending on the flying object. Of course, protection performance impact force of a flying object that is required, the more an shield high rise, the weight of the result shield is going to become heavy. Also, if you want to protect a wide area by expanding the area to be protected, it will be heavy because a large shield is required.

このような重量問題をカバーするため、比重が小さくて防護性能が高い素材を使用した盾が開発されており、繊維強化プラスチックスを素材として用いたものなどがそれにあたる（例えば、特許文献１参照）。しかしながら、このような盾は、不透明な素材であるためその背後に身を隠した時には、視界が制限されることになる。この問題を解決するため、盾本体に部分的に窓を設け、そこに透明で盾本体と同等の防護性能を有する素材で作られた窓部をはめ込むことが考案されている。こうすることで、盾全体を透明素材で作るよりは最小限の重量増で視界を確保することが可能となった（例えば、特許文献２参照）。しかしながら、窓部に使用される素材は、飛来物が衝突すると、ひび、割れ等によって視界が低下するという問題があった。
特開平０７−２４３７９７号広報 特開２０００−０３９２９７号広報 In order to cover such a weight problem, a shield using a material having a small specific gravity and a high protection performance has been developed, such as one using fiber reinforced plastics as a material (for example, see Patent Document 1). ). However, since such a shield is an opaque material, its visibility will be limited when it is hidden behind it. To solve this problem, partly a window in shield body, be fitted to made a window portion of a material having a transparent shield body equivalent protection performance there has been devised. By doing so, it became possible to secure a field of view with a minimum weight increase rather than making the entire shield from a transparent material (see, for example, Patent Document 2). However, the material used for the window portion has a problem that when a flying object collides, the field of view decreases due to cracks, cracks, and the like.
Japanese Laid-Open Patent Publication No. 07-243797 JP 2000-039297 A

本発明は、上記のような防護盾における問題点を鑑みて、透明な窓部に飛来物が衝突しても亀裂による視界の低下を実用上問題ない程度に抑えることができる盾を提供することにある。 SUMMARY OF THE INVENTION In view of the above problems in the protective shield , the present invention provides a shield that can suppress a decrease in visibility due to cracks to a practically acceptable level even when a flying object collides with a transparent window portion. It is in.

このような目的は、下記（１）〜（５）の本発明によって達成される。
（１）透明な窓部と、盾本体とを備え、飛来物が正面側に衝突する防護盾であって、
前記盾本体の正面と前記窓部の端部の後面との間に設けられた衝撃吸収体と、
前記窓部の前記端部および前記衝撃吸収体に締め付け力を与え、前記窓部の前記端部を前記衝撃吸収体を介して前記盾本体の前記正面に接合するボルトと、
前記ボルトに締め付けられて前記盾本体の前記正面に接触して設けられた窓枠と、を有するとともに、
前記窓部の前記端部および前記衝撃吸収体が前記ボルトにより前記盾本体の前記正面に締め付けられたとき、前記窓枠が前記盾本体の前記正面に接触していることにより、前記ボルトの前記締め付け力による前記衝撃吸収体の厚さの減少が抑制されていることを特徴とする防護盾。
（２）前記衝撃吸収体を構成する材料は、ウレタン樹脂、ネオプレンゴム、シリコーンゴム、エチレンプロピレンゴム、ニトリルゴム、アクリルゴムの中から選ばれた１種以上であり、
前記窓枠を構成する材料はアルミニウムである（１）に記載の防護盾。
（３）前記ボルトが、前記窓枠、前記窓部の前記端部、前記衝撃吸収体および前記盾本体をともに貫通して設けられている（１）または（２）に記載の防護盾。
（４）前記窓部を構成する材料は、アクリル樹脂、ポリカーボネート樹脂、エポキシ樹脂の中から選ばれた１種以上である（１）ないし（３）のいずれかに記載の防護盾。
（５）前記窓部の面積は、１０〜２５０ｃｍ2である（１）ないし（４）のいずれかに記載の防護盾。 Such an object is achieved by the present inventions (1) to (5) below.
(1) a transparent window, e Bei a shield body, flying object a protective shield impinging on the front side,
A shock absorber provided between the front surface of the shield body and the rear surface of the end of the window portion;
A bolt for joining gives the end and the clamping force to the shock absorber of the window portion, the end portion of the window portion on the front of the shield body through the shock absorber,
A window frame that is clamped to the bolt and provided in contact with the front surface of the shield body, and
When the end of the window and the shock absorber are tightened to the front of the shield body by the bolt, the window frame is in contact with the front of the shield body, so A protective shield, wherein a reduction in thickness of the shock absorber due to a clamping force is suppressed .
(2) the material constituting the shock absorber, Ri urethane resins, neoprene rubber, silicone rubber, ethylene propylene rubber, nitrile rubber, der least one member selected from among acrylic rubber,
Protective shield according to material Ru aluminum der (1) constituting the window frame.
(3) The protective shield according to (1) or (2), wherein the bolt is provided through the window frame, the end of the window, the shock absorber, and the shield body .
(4) The protective shield according to any one of (1) to (3), wherein the material constituting the window is at least one selected from acrylic resin, polycarbonate resin, and epoxy resin.
(5) The protective shield according to any one of (1) to (4), wherein an area of the window portion is 10 to 250 cm 2 .

本発明により、透明な窓部に飛来物が衝突して発生する亀裂による視界の低下を実用上問題ない程度に抑えられる防護盾を提供できる。 According to the present invention, it is possible to provide a protective shield that can suppress a decrease in visibility due to a crack generated by a collision of a flying object with a transparent window portion to a practically satisfactory level.

本発明は、透明な窓部と盾本体とを備えた防護盾であって、前記窓部が前記盾本体に衝撃吸収体を介して接合されていることを特徴とする防護盾である。 The present invention relates to a protective shield that includes a transparent window portion and shields the body, a protective shield, wherein the window portion is joined through the shock absorber to the shield body.

以下、本発明の防護盾を図面に示す実施形態に基づいて詳細に説明する。
図１は、本発明の一例である防護盾１０の正面図および側面図である。図２は、防護盾１０のＡ−Ａ部分の断面図である。 Hereinafter, the protective shield of this invention is demonstrated in detail based on embodiment shown to drawing.
FIG. 1 is a front view and a side view of a protective shield 10 which is an example of the present invention. FIG. 2 is a cross-sectional view of the AA portion of the protective shield 10.

図１に示すように防護盾１０は、盾本体１と、盾本体１の上部に設けられた窓部２と、窓部２の下側に水平に設けられた取手（小）４と、盾本体１の端側に盾本体１の縦方向に取手（大）５が設けられている。
以下、各構成要素について説明する。 As shown in FIG. 1, a protective shield 10 includes a shield body 1, a window portion 2 provided on the upper portion of the shield body 1, a handle (small) 4 provided horizontally below the window portion 2, a shield A handle (large) 5 is provided in the longitudinal direction of the shield body 1 on the end side of the body 1.
Hereinafter, each component will be described.

盾本体１は、銃弾等の飛来物から人体を防護する機能を有するものである。
盾本体１は、ほぼ長方形の板状体である。
盾本体１の面積は、特に限定されないが、０．２〜０．６ｍ2が好ましく、特に０．３〜０．５ｍ2が好ましい。面積が前記範囲内であると、特に防護機能に優れる。 The shield body 1 has a function of protecting the human body from flying objects such as bullets.
The shield body 1 is a substantially rectangular plate-like body.
Area shield body 1 is not particularly limited, but is preferably 0.2～0.6M 2, especially 0.3～0.5M 2 is preferred. When the area is within the above range, the protective function is particularly excellent.

盾本体１の厚さは、特に限定されないが、１〜３０ｍｍが好ましく、特に５〜２０ｍｍが好ましい。厚さが前記範囲内であると、特に防護盾１０の操作性及び防護機能に優れる。 Although the thickness of the shield main body 1 is not specifically limited, 1-30 mm is preferable and 5-20 mm is especially preferable. When the thickness is within the above range, the operability and the protective function of the protective shield 10 are particularly excellent.

盾本体１を構成する材料としては、特に限定されないが、例えば、アルミ、チタン等の金属類、ガラス繊維、アラミド繊維、炭素繊維、ポリエチレン繊維等の繊維材料を樹脂で担持した繊維強化プラスチック等が挙げられる。
さらに、これらの材料を複合化したもの（特にセラミックスとの複合材料）も好ましい。これにより、防護盾１０を軽量化することができる。 The material constituting the shield body 1 is not particularly limited. For example, a fiber reinforced plastic in which a metal material such as aluminum or titanium, or a fiber material such as glass fiber, aramid fiber, carbon fiber, or polyethylene fiber is supported by a resin. Can be mentioned.
Further, a composite of these materials (particularly a composite material with ceramics) is also preferable. Thereby, the protective shield 10 can be reduced in weight.

盾本体１には、窓部２を接合するための長方形の貫通孔１１が形成されている。貫通孔１１の面積は、防護盾１０を使用する者の視界を遮らない程度であれば特に限定されないが、１０〜３００ｃｍ2が好ましく、特に２０〜２５０ｃｍ2が好ましい。面積が前記下限値未満であると使用者の視界を良好にする効果が低下する場合があり、前記上限値を超えると窓部２の重量が増し、防護盾１０の操作性が低下する場合がある。 The shield body 1 is formed with a rectangular through hole 11 for joining the window portion 2. The area of the through-hole 11 is not particularly limited as long as it does not obstruct the field of view of the person using the protective shield 10, but is preferably 10 to 300 cm 2 , particularly preferably 20 to 250 cm 2 . If the area is less than the lower limit, the effect of improving the user's field of view may be reduced. If the area exceeds the upper limit, the weight of the window portion 2 may increase, and the operability of the protective shield 10 may be reduced. is there.

窓部２は、貫通孔１１に嵌合するように盾本体１の正面側（図１中左側）から接合されている。   The window portion 2 is joined from the front side (left side in FIG. 1) of the shield body 1 so as to be fitted into the through hole 11.

更に、図２に示すように窓部２は、盾本体１と窓部２の上下（図２中上下）の端部とは、衝撃吸収体３を介しており、更に窓枠９を介してボルト６及びワッシャー８によって接合されている。   Further, as shown in FIG. 2, the window portion 2 has the shield body 1 and the upper and lower ends (upper and lower in FIG. 2) through the shock absorber 3 and further through the window frame 9. They are joined by bolts 6 and washers 8.

窓部２は、視界が制限されることがないように透明な材料で構成されている。
窓部２を構成する材料としては、特に限定されないが、例えば、ポリカーボネート樹脂、アクリル樹脂、エポキシ樹脂等の透明な樹脂が好ましい。これらの樹脂を単独で用いることもできるが、２種類以上の透明な樹脂を重ね合わせて使用することもできる。
また、ガラスに１種類以上の透明樹脂を重ね合わせて使用することもできる。このように透明な素材を重ね合わせることにより機械的強度を向上させることができる。以上のように、透明な材料を窓部２に使用することにより窓部２から前方を確認することができると共に防護盾１０全体の軽量化を図ることができる。 The window part 2 is comprised with the transparent material so that a visual field may not be restrict | limited.
Although it does not specifically limit as a material which comprises the window part 2, For example, transparent resin, such as a polycarbonate resin, an acrylic resin, an epoxy resin, is preferable. These resins can be used alone, but two or more kinds of transparent resins can be used in an overlapping manner.
Further, one or more kinds of transparent resins can be overlapped on the glass for use. Thus, mechanical strength can be improved by superimposing transparent materials. As described above, by using a transparent material for the window part 2, it is possible to confirm the front from the window part 2 and to reduce the weight of the entire protective shield 10.

窓部２の面積は、特に限定されないが、１０〜３００ｃｍ2が好ましく、２０〜２５０ｃｍ2が好ましい。面積が前記下限値未満であると使用者の視界を良好にする効果が低下する場合があり、前記上限値を超えると重量が増し、防護盾１０の操作性が低下する場合がある。 Although the area of the window part 2 is not specifically limited, 10-300 cm < 2 > is preferable and 20-250 cm < 2 > is preferable. If the area is less than the lower limit value, the effect of improving the user's field of view may be reduced. If the area exceeds the upper limit value, the weight may be increased, and the operability of the protective shield 10 may be reduced.

窓部２の厚さは、特に限定されないが、１０〜４０ｍｍが好ましく、２０〜３０ｍｍが更に好ましい。厚さが前記範囲内であると、特に耐弾性及び防護盾１０の操作性に優れる。 Although the thickness of the window part 2 is not specifically limited, 10-40 mm is preferable and 20-30 mm is still more preferable. When the thickness is within the above range, the elasticity and the operability of the protective shield 10 are particularly excellent.

図１に示すように、本発明の盾本体１の後面には、防護盾１０を手に持って移動するための取手（小）４と取手（大）５が取付けられている。この取手の取付け方向は、特に限定されず、盾本体１の縦方向でも横方向でもいずれの方向にも取付けることができる。また、この取手の取付け数量も特に限定されず、２箇所以上取付けてもかまわない。図１に示すように防護盾１０を前後方向に移動する時に使用する取手（小）４、左右に移動する時に使用する取手（大）５のように取付けることが好ましい。 As shown in FIG. 1, a handle (small) 4 and a handle (large) 5 are attached to the rear surface of the shield body 1 of the present invention for holding and moving the protective shield 10. The mounting direction of the handle is not particularly limited, and may be attached in either direction in the horizontal direction in the longitudinal direction of the shield body 1. The number of handles attached is not particularly limited, and two or more places may be attached. As shown in FIG. 1, it is preferable to attach the protective shield 10 like a handle (small) 4 used when moving in the front-rear direction and a handle (large) 5 used when moving left and right.

本発明では、盾本体１と、窓部２とを衝撃吸収体３を介して接合することを特徴とする。これにより、窓部２に銃弾等の飛来物が衝突した時の衝撃エネルギーを緩和し、窓部２の損傷を最小限に抑えることができる。
従って、衝撃吸収体３は衝撃吸収性能に優れたものが望ましく、厚さが厚ければ厚いほど衝撃吸収性能は向上するが、窓部２と盾本体１との間に挟んで設置するため、厚すぎると窓部２が盾本体１の表面から飛び出すぎる形になり、防護盾１０の操作性が低下する場合がある。このため、衝撃吸収体３は、衝撃吸収性能を維持しながら薄いことが望ましい。 The present invention is characterized in that the shield main body 1 and the window portion 2 are joined via the shock absorber 3. Thereby, the impact energy when projectiles such as bullets collide with the window portion 2 can be reduced, and damage to the window portion 2 can be minimized.
Therefore, it is desirable that the shock absorber 3 is excellent in shock absorbing performance, and the thicker the thickness, the better the shock absorbing performance. However, since the shock absorber 3 is sandwiched between the window 2 and the shield body 1, If it is too thick, the window portion 2 may protrude too much from the surface of the shield body 1 and the operability of the protective shield 10 may be reduced. For this reason, it is desirable that the shock absorber 3 is thin while maintaining the shock absorbing performance.

衝撃吸収体３の形態は、特に限定されないが、シート状であることが好ましく、その厚さは、特に限定されないが、１ｍｍ〜１０ｍｍが好ましく、特に１．５〜７ｍｍが好ましい。厚さが前記下限値未満では衝撃吸収性を向上する効果が低下する場合があり、前記上限値を超えると窓部２が盾本体１の表面から飛び出すぎて防護盾１０の操作性が低下する場合がある。 Although the form of the shock absorber 3 is not particularly limited, it is preferably a sheet, and the thickness thereof is not particularly limited, but is preferably 1 mm to 10 mm, and particularly preferably 1.5 to 7 mm. When the thickness is less than the lower limit value, the effect of improving the shock absorption may be reduced. When the thickness exceeds the upper limit value, the window portion 2 protrudes from the surface of the shield body 1 and the operability of the protective shield 10 is lowered. There is a case.

衝撃吸収体３を構成する材料としては、例えばポリウレタン、ネオプレンゴム、エチレンプロピレンゴム、シリコーンゴム、ニトリルゴム、アクリルゴム等が挙げられる。この中でも、衝撃吸収性能の高いゴム系素材が好ましい。 The material constituting the shock absorber 3, for example, polyurethane, neoprene rubber, ethylene propylene rubber, silicone rubber, nitrile rubber, and acrylic rubber. Among these, a rubber material having a high impact absorbing performance is preferable.

衝撃吸収体３の設置場所は、特に限定されず、貫通孔１１を挟んで盾本体１の縦方向に２列又は横方向に２列設置することも、貫通孔１１の回り全面に設置することもできる。 The installation location of the shock absorber 3 is not particularly limited, and the shock absorber 3 may be installed in two rows in the vertical direction or two rows in the horizontal direction of the shield body 1 with the through hole 11 interposed therebetween, or may be installed on the entire surface around the through hole 11. You can also.

本発明では、窓部２を衝撃吸収体３を介して盾本体１に接合する際、窓枠９を使用することが好ましい。窓枠９を使用せず、直接ボルト６による締め付けが衝撃吸収体３にかかると衝撃吸収体３の厚みが減少し、衝撃吸収性能が低下することがある。 In the present invention, it is preferable to use the window frame 9 when the window portion 2 is joined to the shield body 1 via the shock absorber 3. If the window frame 9 is not used and the bolt 6 is directly tightened on the shock absorber 3, the thickness of the shock absorber 3 is reduced, and the shock absorption performance may be lowered.

以下、本発明を実施例及び図１、２により具体的に説明する。   Hereinafter, the present invention will be described in detail with reference to Examples and FIGS.

図１は本発明の防護盾１０の一例を示す正面図と側面図であり、図２はＡ−Ａ断面の拡大図である。 FIG. 1 is a front view and a side view showing an example of a protective shield 10 according to the present invention, and FIG. 2 is an enlarged view of a cross section AA.

（実施例）
盾本体１はアラミド繊維ＦＲＰで作製した。（縦１ｍ、幅０．４ｍ、厚さ８ｍｍ）
窓部２はポリカーボネート樹脂及びアクリル樹脂で作製した。（縦１００ｍｍ、横２５０ｍｍ、厚さ２５ｍｍ）
衝撃吸収体３は、ＥＰＤＭ（エチレンプロピレンゴム）製で硬度７０°の２ｍｍ厚シートを用いた。
この衝撃吸収体３は、図１及び図２に示すように盾本体１と窓部２で挟んでボルトで固定した。固定に際しては、図２に示すように窓枠９（アルミニウム製）を介することで、ボルト６の締め付け力による衝撃吸収体３の厚さの減少、すなわち衝撃吸収性能の低下を抑えた。 (Example)
The shield body 1 was made of aramid fiber FRP. (Vertical 1m, width 0.4m, thickness 8mm)
The window part 2 was produced with polycarbonate resin and acrylic resin. (Length 100mm, width 250mm, thickness 25mm)
As the shock absorber 3, a 2 mm thick sheet made of EPDM (ethylene propylene rubber) and having a hardness of 70 ° was used.
As shown in FIGS. 1 and 2, the shock absorber 3 is sandwiched between the shield body 1 and the window portion 2 and fixed with bolts. At the time of fixing, the reduction in the thickness of the shock absorber 3 due to the tightening force of the bolt 6, that is, the decrease in the shock absorbing performance was suppressed by passing through the window frame 9 (made of aluminum) as shown in FIG.

（比較例）
衝撃吸収体３を用いなかった以外は実施例１と同様にして防護盾１０を作製した。 (Comparative example)
A protective shield 10 was produced in the same manner as in Example 1 except that the shock absorber 3 was not used.

表１に実施例と比較例において作製した防護盾１０の衝撃試験の結果を示す。飛来物は、直径７．５ｍｍ，長さ９ｍｍの鉄製円柱形状で、約３００ｍ／秒の速度で取手と反対面（図２の左側）に衝突させた。 Table 1 shows the result of the impact test of the protective shield 10 produced in the example and the comparative example. The flying object was an iron cylindrical shape having a diameter of 7.5 mm and a length of 9 mm, and was made to collide with the surface opposite to the handle (left side in FIG. 2) at a speed of about 300 m / sec.

Figure 0004289190
Figure 0004289190

表１に示す結果のとおり、衝撃吸収体３を有する防護盾１０は衝撃吸収体３の無い防護盾１０に比べ、水平亀裂最大長さ及び垂直亀裂最大長さ共に小さく、裏面の破損も無く、衝撃試験後の視界確保も可能であり、衝撃吸収体３の有効性が確認できた。 As shown in Table 1, the protective shield 10 having the shock absorber 3 is smaller in both the maximum horizontal crack length and the maximum vertical crack length than the protective shield 10 without the shock absorber 3, and there is no damage on the back surface. The field of view after the impact test can be secured, and the effectiveness of the impact absorber 3 can be confirmed.

本発明は、透明な窓部と、盾本体とを備えた防護盾であって、前記窓部の端部は、衝撃吸収体を介して前記盾本体と接合されているため、防護機能を保ちながら飛来物の衝突時にも窓部に発生する亀裂を少なくできるため、前方確認が安全確実にできる防護盾として好適に使用できる。 The present invention is a protective shield provided with a transparent window portion and a shield body, and the end portion of the window portion is joined to the shield body via an impact absorber, so that the protective function is maintained. However, since the crack generated in the window portion can be reduced even when a flying object collides, it can be suitably used as a protective shield that can confirm the front direction safely.

本発明の盾の一例を示す外観図External view showing an example of the shield of the present invention Ａ−Ａ断面の拡大図Enlarged view of AA cross section

１ 盾本体
２ 窓部
３ 衝撃吸収体
４ 取手（小）
５ 取手（大）
６ ボルト
７ ナット
８ ワッシャー
９ 窓枠
１０ 防護盾
１１ 貫通孔 1 Shield body 2 Window 3 Shock absorber 4 Handle (small)
5 Toride (Large)
6 bolt 7 nut 8 washer 9 window frame 10 protective shield 11 through hole

Claims (5)

透明な窓部と、盾本体とを備え、飛来物が正面側に衝突する防護盾であって、
前記盾本体の正面と前記窓部の端部の後面との間に設けられた衝撃吸収体と、
前記窓部の前記端部および前記衝撃吸収体に締め付け力を与え、前記窓部の前記端部を前記衝撃吸収体を介して前記盾本体の前記正面に接合するボルトと、
前記ボルトに締め付けられて前記盾本体の前記正面に接触して設けられた窓枠と、を有するとともに、
前記窓部の前記端部および前記衝撃吸収体が前記ボルトにより前記盾本体の前記正面に締め付けられたとき、前記窓枠が前記盾本体の前記正面に接触していることにより、前記ボルトの前記締め付け力による前記衝撃吸収体の厚さの減少が抑制されていることを特徴とする防護盾。 And a transparent window portion, eh Bei and shield body, flying object is a protective shield impinging on the front side,
A shock absorber provided between the front surface of the shield body and the rear surface of the end of the window portion;
A bolt for joining gives the end and the clamping force to the shock absorber of the window portion, the end portion of the window portion on the front of the shield body through the shock absorber,
A window frame that is clamped to the bolt and provided in contact with the front surface of the shield body, and
When the end of the window and the shock absorber are tightened to the front of the shield body by the bolt, the window frame is in contact with the front of the shield body, so A protective shield, wherein a reduction in thickness of the shock absorber due to a clamping force is suppressed . 前記衝撃吸収体を構成する材料は、ウレタン樹脂、ネオプレンゴム、シリコーンゴム、エチレンプロピレンゴム、ニトリルゴム、アクリルゴムの中から選ばれた１種以上であり、
前記窓枠を構成する材料はアルミニウムである請求項１に記載の防護盾。 The material constituting the shock absorber, Ri urethane resins, neoprene rubber, silicone rubber, ethylene propylene rubber, nitrile rubber, der least one member selected from among acrylic rubber,
The material constituting the window frame protective shield according to claim 1 Ru aluminum der. 前記ボルトが、前記窓枠、前記窓部の前記端部、前記衝撃吸収体および前記盾本体をともに貫通して設けられている請求項１または２に記載の防護盾。 3. The protective shield according to claim 1 , wherein the bolt is provided through the window frame, the end of the window, the shock absorber, and the shield body . 前記窓部を構成する材料は、アクリル樹脂、ポリカーボネート樹脂、エポキシ樹脂の中から選ばれた１種以上である請求項１ないし３のいずれかに記載の防護盾。   The protective shield according to any one of claims 1 to 3, wherein a material constituting the window portion is at least one selected from an acrylic resin, a polycarbonate resin, and an epoxy resin. 前記窓部の面積は、１０〜２５０ｃｍ2である請求項１ないし４のいずれかに記載の防護盾。 The area of the said window part is 10-250 cm < 2 >, The protective shield in any one of Claim 1 thru | or 4.
JP2004101765A 2004-03-31 2004-03-31 Protective shield Expired - Fee Related JP4289190B2 (en)

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