JP2563959Y2 - Bird repellent device - Google Patents

Bird repellent device

Info

Publication number
JP2563959Y2
JP2563959Y2 JP1993065430U JP6543093U JP2563959Y2 JP 2563959 Y2 JP2563959 Y2 JP 2563959Y2 JP 1993065430 U JP1993065430 U JP 1993065430U JP 6543093 U JP6543093 U JP 6543093U JP 2563959 Y2 JP2563959 Y2 JP 2563959Y2
Authority
JP
Japan
Prior art keywords
arm
bird
bird repellent
repellent device
birds
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP1993065430U
Other languages
Japanese (ja)
Other versions
JPH0730077U (en
Inventor
忠夫 大庭
Original Assignee
大庭ビルメインテナンス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大庭ビルメインテナンス株式会社 filed Critical 大庭ビルメインテナンス株式会社
Priority to JP1993065430U priority Critical patent/JP2563959Y2/en
Priority to US08/263,132 priority patent/US5649394A/en
Priority to DE0651944T priority patent/DE651944T1/en
Priority to EP94109795A priority patent/EP0651944B1/en
Priority to DE69415770T priority patent/DE69415770T2/en
Priority to ES94109795T priority patent/ES2128464T3/en
Priority to DE69428462T priority patent/DE69428462D1/en
Priority to EP97112273A priority patent/EP0806139B1/en
Priority to CA002127133A priority patent/CA2127133A1/en
Priority to KR1019940015499A priority patent/KR950013365A/en
Priority to CN94109173A priority patent/CN1053083C/en
Priority to AU66150/94A priority patent/AU683656B2/en
Publication of JPH0730077U publication Critical patent/JPH0730077U/en
Application granted granted Critical
Publication of JP2563959Y2 publication Critical patent/JP2563959Y2/en
Priority to CN98119554A priority patent/CN1220339A/en
Priority to GR990400764T priority patent/GR3029680T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【考案の詳細な説明】[Detailed description of the invention]

【0001】[0001]

【産業上の利用分野】本考案は、鳩等の鳥類がベランダ
等に侵入することを防止するための鳥類侵入防止装置に
関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for preventing birds such as pigeons from entering a veranda or the like.

【0002】[0002]

【従来の技術】近年、都市で生息する鳩、カラス、スズ
メ、ムクドリ等の鳥類が増加し、排泄した糞や病原菌等
が問題となっているので、鳩等の鳥類がベランダ等に侵
入することを防止するために例えば疑似目玉、針、超音
波等による方法が提案されている。この中でも、鳥自身
が有している生物磁気(飛行方向を判断したり、帰巣性
の道しるべとなっているもの)を狂わすような強い磁気
を嫌うことに着目して磁石を用いた鳥類忌避装置が種々
提案され、例えば実公平4−10789号公報に示す装
置が知られている。
2. Description of the Related Art In recent years, birds such as pigeons, crows, sparrows, and starlings that inhabit cities have increased, and excreted feces and pathogens have become a problem. For example, a method using a false eye, a needle, an ultrasonic wave, or the like has been proposed in order to prevent the above problem. Among them, bird repellent devices that use magnets, focusing on dislikes strong magnetism that disturbs the biomagnetism of birds themselves (which judge the direction of flight and are signs of homing) Have been proposed, and for example, an apparatus disclosed in Japanese Utility Model Publication No. 4-10789 is known.

【0003】[0003]

【考案が解決しようとする課題】しかしながら、この公
報に示された考案のように、単に張架用糸線に複数の半
球型磁石を所定間隔毎に取り付ける方法では、ある程度
の効果はあるものの磁気に鈍感な鳩も存在し、前記半球
型磁石と磁石の間の張架用糸線に止まってしまう等ユー
ザにとって満足な結果が得られないという問題点があっ
た。本考案は上記従来の問題点に鑑み、効率的に且つ確
実に鳩等の鳥類がベランダ等に侵入することを防止する
ことができる鳥類忌避装置を提供することを目的とす
る。
However, a method of simply attaching a plurality of hemispherical magnets at predetermined intervals to a tension line as in the invention disclosed in this publication has a certain degree of effect, but has a certain effect. However, there is a problem that satisfactory results cannot be obtained for the user, for example, the pigeon is insensitive to the above, and stops at the tension wire between the hemispherical magnets. The present invention has been made in view of the above-described conventional problems, and has as its object to provide a bird repellent device that can efficiently and reliably prevent birds such as pigeons from entering a veranda or the like.

【0004】[0004]

【課題を解決するための手段】本考案は上記目的を達成
するために、支柱と、該支柱の上部に中央部を固定して
取付けたアームとからなり、上記アームの両端に磁気体
を設けてこのアームの中央部を支点として揺動自在とな
るように構成したものである。このアームは上限2段以
上設けてもよく、また同一平面上で2本以上のアームの
任意の角度で交差させてもよい。これらの場合にも各ア
ームの両端には磁気体を設ける。尚磁気体はアームの両
端に限らず中央にも設けてもよく、支柱及び/又はアー
ムをコイルバネにより構成してもよい。更に本装置は1
つだけではなく、一直線上に隙間なく設置してもよい
し、その直列に並べた装置を更に所定の間隔で複数列並
べてもよい。
According to the present invention, in order to achieve the above object, a support and a central portion fixed to an upper portion of the support are provided.
Consists of a mounting girder arm, it swingable fulcrum central portion of the arm is provided with a magnetic body on both ends of the arm
It is configured as follows. The arms may be provided in an upper limit of two or more stages, or may intersect at an arbitrary angle of two or more arms on the same plane. Also in these cases, magnetic bodies are provided at both ends of each arm. Note that the magnetic body may be provided not only at both ends of the arm but also at the center, and the column and / or the arm may be formed by a coil spring. In addition, this device
Not only one device but also a plurality of devices may be arranged on a straight line without any gap, or a plurality of devices arranged in series may be further arranged at predetermined intervals.

【0005】[0005]

【作用】本考案では、1本の支柱の上に揺動自在に支持
されたアームの両端に磁気体が取り付けられているの
で、本装置を例えばベランダの手すり等に設置すれば磁
気を嫌う鳥が近づくことを防止することができる。また
万一、磁気に鈍感な鳥がア−ムの磁気体と磁気体の間に
止まろうとしてもアームが支柱に対し揺動するので驚い
て逃げる。また支柱及び/又はア−ムをコイルバネにす
ると、より大きく揺動する利点がある。またそのとき本
装置を一直線上に設置しておけば、1羽の鳥がア−ムに
近づいて揺動させると、磁気が周囲に飛んで他の鳥も近
ずかなくなると共に、他の装置のア−ムも磁気により一
斉に揺動するため鳥は驚いて他の装置にも近づかない効
果がある。
According to the present invention, a magnetic body is attached to both ends of an arm swingably supported on a single support, so if this device is installed on, for example, a handrail of a veranda, a bird that dislikes magnetism can be used. Can be prevented from approaching. Also, even if a bird insensitive to magnetism tries to stop between the magnetic bodies of the arm, the bird will be surprised to escape because the arm swings with respect to the support. In addition, when the column and / or the arm are formed of a coil spring, there is an advantage that the column and / or the arm swing more. Also, if the apparatus is installed in a straight line at that time, if one bird approaches the arm and swings, the magnetism will fly around and other birds will not approach, and other devices will not approach. The arm also swings simultaneously by magnetism, so that the bird is surprised and has the effect of not approaching other devices.

【0006】[0006]

【実施例】以下、図面を参照して本考案の実施例を説明
する。図1は本考案に係る鳥類忌避装置の一実施例を示
す斜視図、図2はその一部拡大断面図である。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of a bird repellent device according to the present invention, and FIG. 2 is a partially enlarged sectional view thereof.

【0007】これらの図において1はボルト、丸材、角
材、板材等の支柱、2はその支柱1の上部に水平方向に
取り付けたア−ムで、このア−ム2の略中心と支柱1先
端との交点3を支点として揺動自在に支持させることに
より、ア−ム上に鳥が止まったり、鳥の羽ばたき、或は
自然により生じる風力によりア−ムが上下、左右に揺動
するように構成されている。4a・4bはア−ム2の両
端に設けた磁気体で、更に必要に応じて前記支点3にも
磁気体4cを設けてもよい。尚アーム1の長さと磁気体
4a・4bの重さは釣り合うように構成されている。
In these figures, reference numeral 1 denotes a column such as a bolt, a round member, a square member, a plate, and the like. Reference numeral 2 denotes an arm which is mounted on an upper portion of the column 1 in a horizontal direction. Is supported so as to be able to swing freely at the intersection 3 with the arm, so that the bird stops on the arm, flutters the bird, or swings up and down and left and right due to the wind generated by nature. It is configured. Reference numerals 4a and 4b denote magnetic bodies provided at both ends of the arm 2, and a magnetic body 4c may be provided at the fulcrum 3 if necessary. The length of the arm 1 and the weight of the magnetic bodies 4a and 4b are configured to be balanced.

【0008】支柱1は鳥が止まって糞をされては困る場
所、例えば住宅用マンションのベランダの手すり5、マ
ンションや寺院の屋根、ビル屋上のパナペット、街路樹
の電燈頂部、小型船のマットの水銀灯頂部等に接着剤、
ビス、ボルト等で固定する。図示例では公知の簡易型着
脱具6a・6bを例示した。また支柱1の高さは鳥の種
類のより変えるものとし、例えば鳩の場合には約10c
m、カラスの場合は約20cmくらいが好ましい。このた
めカラス等の比較的大きな鳥の場合は図3に示すように
ア−ムを上下2段2A・2Bにすることが望ましい。ま
たア−ムの長さは取り付ける磁気体の数によるが、図示
例のように両端及び中心部の3カ所に取り付ける場合は
約30〜40cmとする。尚磁力としては鳥が磁気を感じ
て頭部の生物磁気に影響する程度でよく実験によれば1
000ガウス以上とする。
[0008] The pillar 1 is a place where birds do not want to be stopped and dung, for example, a railing 5 on a veranda of a residential apartment, a roof of an apartment or a temple, a panapet on a building roof, a light top of a street tree, a mat of a small boat. Adhesive on top of mercury lamp, etc.
Fix with screws, bolts, etc. In the illustrated example, known simple attachment / detachment tools 6a and 6b are illustrated. In addition, the height of the strut 1 should be changed according to the type of bird.
For m and crows, it is preferably about 20 cm. For this reason, in the case of a relatively large bird such as a crow, it is desirable to arrange the arms in two stages, 2A and 2B, as shown in FIG. The length of the arm depends on the number of magnetic bodies to be attached. However, when the arm is attached at three places at both ends and at the center as shown in the illustrated example, the length is about 30 to 40 cm. The magnetic force is such that the bird feels the magnetism and affects the biomagnetism of the head.
000 gauss or more.

【0009】この鳥類忌避装置の取付け方法としては、
まず設置場所(例えばベランダ手すり5)の表面上の埃
や油気、鳥の糞等をきれいに清掃し、予め公知の簡易型
着脱具の一方6bを手すりに設けておき、次に支柱1の
ベ−ス7に他方の着脱具6aを設けて取り付ける。そう
すると例えばベランダにふとんを干すとき等不要なとき
は簡単にはずせる利点がある。また好ましくは隙間なく
本装置を一直線上に複数個設置することが望ましい。こ
の場合、隣り合う磁気体4a・4bを同じ磁極(プラス
同士又はマイナス同士)にすると(図1参照)、反発し
あってより揺動する利点がある。
As a method of mounting the bird repellent device,
First, dust, oil, bird droppings, etc. on the surface of the installation place (for example, the veranda handrail 5) are thoroughly cleaned, and one of the known simple attaching / detaching tools 6b is provided on the handrail in advance. The other attachment / detachment tool 6a is provided on the base 7 and attached. This has the advantage that it can be easily removed when unnecessary, such as when drying the futon on the veranda. It is also desirable to install a plurality of the present apparatuses on a straight line without any gap. In this case, if the adjacent magnetic bodies 4a and 4b have the same magnetic pole (positive or negative) (see FIG. 1), there is an advantage that they repel each other and swing more.

【0010】このようにして構成した本実施例の鳥類忌
避装置を設置すると、鳥類は磁気を嫌うので、磁気体4
a〜4cに近づかない。またもし磁気に鈍感な鳥がアー
ム2上に止まろうとしても、アーム2が支柱1に対し上
下左右に揺動可能なのでア−ムが揺れて驚いて飛び去
る。更に、磁気体が揺動すると磁気が周囲に飛び、この
周囲の磁場が変動し異常磁場となって、鳥類がより一層
に近づかない効果がある。
When the bird repellent device according to the present embodiment configured as described above is installed, the birds dislike magnetism.
Keep away from a-4c. Also, even if a bird insensitive to magnetism tries to stop on the arm 2, the arm 2 swings up and down and left and right with respect to the support 1, so that the arm shakes and flies away surprisingly. Further, when the magnetic body swings, the magnetism flies to the surroundings, and the surrounding magnetic field fluctuates and becomes an abnormal magnetic field.

【0011】図4は本装置の第2の実施例で前記支柱及
び/又はア−ムをコイルバネ1C・2C、その他の弾性
材料を用いた例である。コイルバネを用いるとより大き
く揺動するので忌避効果を高めることができる利点があ
る。
FIG. 4 shows a second embodiment of the present invention, in which the columns and / or arms are made of coil springs 1C and 2C and other elastic materials. The use of a coil spring swings more greatly, so that there is an advantage that the repelling effect can be enhanced.

【0012】図5は第3の実施例で、支柱1の上部に任
意の角度で2本以上のア−ム2D・2E…を任意の角度
αで交差させた例で、各ア−ムの両端に前記と同様磁気
体4a・4bを設けたものである。尚この実施例でも図
6のように2段以上にしてもよいし、支柱1、ア−ム2
D、2E…をコイルバネ、その他の弾性材料にしてもよ
いことは勿論である。図7・図8は複数のア−ムの上に
回転状の鳥威し具8を設け、該鳥威し具8に猛禽類等の
目状紋9を形成し、且つ任意の箇所に磁気体10を設け
た例である。この例では単に磁気体10の磁気だけでは
なく、目状紋9で鳥をおどかすことができ、且つ回転す
るので忌避効果をより一層高める効果がある。またこの
鳥威し具8は図7に示すような十字型に限らず図9のよ
うに風船状にふくらませた鳥威し具11に複数の目状紋
12を形成し、磁気体13を埋め込むものでもよい。
FIG. 5 shows a third embodiment in which two or more arms 2D, 2E... Cross at an arbitrary angle .alpha. The magnetic members 4a and 4b are provided at both ends in the same manner as described above. In this embodiment, two or more steps may be used as shown in FIG.
Of course, D, 2E... May be a coil spring or another elastic material. FIGS. 7 and 8 show a case in which a rotary bird guard 8 is provided on a plurality of arms, an eye pattern 9 such as a bird of prey is formed on the bird guard 8, and a magnetic field is formed at an arbitrary position. This is an example in which a body 10 is provided. In this example, not only the magnetism of the magnetic body 10 but also the birds can be scared by the eye-shaped crests 9, and since they rotate, the repelling effect is further enhanced. Further, the bird-watching tool 8 is not limited to the cross shape as shown in FIG. 7, but a plurality of eye-marks 12 are formed on the bird-watching tool 11 inflated in a balloon shape as shown in FIG. It may be something.

【0013】図10・図11は本装置を出窓14やビル
屋上15に設置した例で、出窓14やビルの屋上15は
一般に鳥が止まり易いため糞で汚され易い。このため本
装置を設置すれば鳥を確実に忌避できる。尚この実施例
の忌避装置を図2、図5のもので例示したが、図3、図
4、図6、図7、図9に示す他の実施例でも実施可能で
あることは勿論である。
FIGS. 10 and 11 show an example in which the present apparatus is installed on a bay window 14 or a building roof 15. Birds generally tend to stop on the bay window 14 or the building roof 15, and are easily contaminated with feces. For this reason, if this device is installed, birds can be reliably avoided. Although the repelling device of this embodiment is exemplified by those shown in FIGS. 2 and 5, it is needless to say that other embodiments shown in FIGS. 3, 4, 6, 7, and 9 can be implemented. .

【0014】[0014]

【考案の効果】以上説明したように本考案は、支柱と、
該支柱の上部に中央部を固定して取付けたアームとから
なり、前期アームの両端に磁気体を設けてこのアームの
中央部を支点として揺動自在となるように構成したの
、磁気を嫌う鳥を忌避できる。また万一磁気に鈍感な
鳥がアーム上に止まろうとしてもアームが支柱に対し揺
動自在に取り付けられているので上下・左右に揺れて驚
いて飛び去る。また揺れると磁気が周囲に飛んでその付
近一帯の磁場が異常となりより一層鳥が近づなくな
る。更に、支柱をコイルバネにより構成することにより
アームと磁石の回動範囲により大きくなるので、更に効
率的に鳩等の鳥類がベランダ等に侵入することを防止す
ることができる。
[Effects of the Invention] As described above, the present invention includes a support,
An arm fixed at the center at the top of the support, and a magnetic body is provided at both ends of the arm to secure the arm.
It was constructed so that it could swing around the center.
In this way, you can avoid birds that dislike magnetism. Also, even if a bird insensitive to magnetism tries to stop on the arm, the arm swings up and down, left and right, and flies away surprisingly because the arm is swingably attached to the support. The magnetic field of the near zone shakes the magnetism flying around the Ru which no further or birds closer than abnormal next <br/>. Furthermore, since the support column is formed by a coil spring, the size of the support column is increased by the rotation range of the arm and the magnet, so that birds such as pigeons can be more efficiently prevented from entering the veranda or the like.

【図面の簡単な説明】[Brief description of the drawings]

【図1】図1は本考案に係る鳥類忌避装置の一実施例を
示す斜視図である。
FIG. 1 is a perspective view showing an embodiment of a bird repellent device according to the present invention.

【図2】図2はその一部拡大正面図である。FIG. 2 is a partially enlarged front view thereof.

【図3】図3は本装置の第2の実施例を示す正面図であ
る。
FIG. 3 is a front view showing a second embodiment of the present apparatus.

【図4】図4は本装置の第3の実施例を示す斜視図であ
る。
FIG. 4 is a perspective view showing a third embodiment of the present apparatus.

【図5】図5は本装置の第4の実施例を示す斜視図であ
る。
FIG. 5 is a perspective view showing a fourth embodiment of the present apparatus.

【図6】図6は本装置の第5の実施例を示す斜視図であ
る。
FIG. 6 is a perspective view showing a fifth embodiment of the present apparatus.

【図7】図7は本装置の第6の実施例を示す斜視図であ
る。
FIG. 7 is a perspective view showing a sixth embodiment of the present apparatus.

【図8】図8は図7の回転状の鳥威し具の正面図であ
る。
FIG. 8 is a front view of the rotatable bird guard of FIG. 7;

【図9】図9は他の回転状の鳥威し具の正面図である。FIG. 9 is a front view of another rotatable bird guard.

【図10】図10は本装置を出窓に使用した状態を示す
斜視図である。
FIG. 10 is a perspective view showing a state in which the apparatus is used for a bay window.

【図11】図11は本装置をビル屋上に使用した状態を
示す斜視図である。
FIG. 11 is a perspective view showing a state in which the present apparatus is used on a building roof.

【符号の説明】[Explanation of symbols]

1,1C 支柱 2,2A〜2J ア−ム 4a,4b,4c,10 磁気体 5 ベランダ 6a・6b 簡易型着脱具 7 ベ−ス 1, 1C Support 2, 2A-2J Arm 4a, 4b, 4c, 10 Magnetic body 5 Veranda 6a, 6b Simple type detachable tool 7 Base

Claims (4)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項1】 支柱と、該支柱の上部に中央部を固定し
取付けたアームとからなり、前記アームの両端に磁気
体を設けてこのアームが中央部を支点として揺動自在と
なるように構成したことを特徴とする鳥類忌避装置。
1. A strut and a central portion fixed to an upper portion of the strut.
A magnetic body is provided at both ends of the arm, and this arm can swing about the center part as a fulcrum.
A bird repellent device, characterized in that the bird repellent device is configured to be constructed as follows .
【請求項2】前記ア−ムを上下に2段以上設けたことを
特徴とする請求項1記載の鳥類忌避装置。
2. The bird repellent device according to claim 1, wherein said arm is provided in two or more stages vertically.
【請求項3】 支柱と、この支柱の上部に中央部を固定
して取付けた任意の角度で交差している2本以上のアー
ムとからなり、各アームの両端に磁気体を設けてこのア
ームが中央部を支点として揺動自在となるように構成し
ことを特徴とする鳥類忌避装置。
3. A pillar and a central portion fixed to an upper portion of the pillar.
The A and it consists of a two or more arms which intersect at an arbitrary angle attached, the magnetic gas provided at both ends of each arm
The arm is configured so that it can swing around the center
A bird repellent device characterized by that.
【請求項4】支柱及び/又はア−ムをコイルバネにより
構成したたことを特徴とする請求項1、2又は3記載の
鳥類忌避装置。
4. A bird repellent device according to claim 1, wherein the support and / or the arm are constituted by a coil spring.
JP1993065430U 1993-11-05 1993-11-13 Bird repellent device Expired - Lifetime JP2563959Y2 (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
JP1993065430U JP2563959Y2 (en) 1993-11-13 1993-11-13 Bird repellent device
US08/263,132 US5649394A (en) 1993-11-05 1994-06-21 Apparatus for inhibitively preventing birds from crowding
EP94109795A EP0651944B1 (en) 1993-11-05 1994-06-24 Apparatus for preventing birds from crowding
DE69415770T DE69415770T2 (en) 1993-11-05 1994-06-24 Device for preventing birds from settling
ES94109795T ES2128464T3 (en) 1993-11-05 1994-06-24 APPARATUS TO PREVENT BIRDS FROM LYING.
DE69428462T DE69428462D1 (en) 1993-11-05 1994-06-24 Device for preventing birds from settling
EP97112273A EP0806139B1 (en) 1993-11-05 1994-06-24 Apparatus for inhibitively preventing birds from crowding
DE0651944T DE651944T1 (en) 1993-11-05 1994-06-24 Device for preventing birds from settling.
CA002127133A CA2127133A1 (en) 1993-11-05 1994-06-30 Apparatus for inhibitively preventing birds from crowding
KR1019940015499A KR950013365A (en) 1993-11-05 1994-06-30 Apparatus for preventing and preventing bird gathering
CN94109173A CN1053083C (en) 1993-11-05 1994-07-01 Apparatus for inhibitively preventing birds from crowding
AU66150/94A AU683656B2 (en) 1993-11-05 1994-07-01 Apparatus for inhibitively preventing birds from crowding
CN98119554A CN1220339A (en) 1993-11-05 1998-09-19 Apparatus for inhibitively preventing birds from crowding
GR990400764T GR3029680T3 (en) 1993-11-05 1999-03-12 Apparatus for inhibitively preventing birds from crowding.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1993065430U JP2563959Y2 (en) 1993-11-13 1993-11-13 Bird repellent device

Publications (2)

Publication Number Publication Date
JPH0730077U JPH0730077U (en) 1995-06-06
JP2563959Y2 true JP2563959Y2 (en) 1998-03-04

Family

ID=13286880

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1993065430U Expired - Lifetime JP2563959Y2 (en) 1993-11-05 1993-11-13 Bird repellent device

Country Status (1)

Country Link
JP (1) JP2563959Y2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013063043A (en) * 2011-09-17 2013-04-11 Oba Building Maintenance Kk Bird repeller
JP2016000009A (en) * 2014-06-11 2016-01-07 中国電力株式会社 Nest-building prevention tool

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04103485U (en) * 1991-02-07 1992-09-07 もりや産業株式会社 Bird damage prevention device using magnetic force
JPH0711184U (en) * 1993-07-28 1995-02-21 日立粉末冶金株式会社 Bird damage prevention device

Also Published As

Publication number Publication date
JPH0730077U (en) 1995-06-06

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