JP2540921Y2 - Infant tricycle push rod - Google Patents
Infant tricycle push rodInfo
- Publication number
- JP2540921Y2 JP2540921Y2 JP1992015971U JP1597192U JP2540921Y2 JP 2540921 Y2 JP2540921 Y2 JP 2540921Y2 JP 1992015971 U JP1992015971 U JP 1992015971U JP 1597192 U JP1597192 U JP 1597192U JP 2540921 Y2 JP2540921 Y2 JP 2540921Y2
- Authority
- JP
- Japan
- Prior art keywords
- rod
- push rod
- tricycle
- backrest
- fixed
- 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
Links
Landscapes
- Automatic Cycles, And Cycles In General (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は幼児用三輪車の押し棒に
関し、さらに詳しくは、三輪車の後部に起立状に設けら
れている背凭れ杆に必要に応じて取付けることにより、
三輪車に乗り始めの幼児の補助をするための押し棒に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a push rod for an infant tricycle, and more particularly, to a push rod provided on a rear portion of the tricycle .
By attaching it to the backrest rod that is
The present invention relates to a push rod for assisting an infant who starts riding on a tricycle.
【０００２】[0002]
【従来の技術】従来、この種三輪車用の押し棒100 は図
５に示すように、所望な金属杆を門形に折曲形成すると
共に、その左，右側杆101 の下部にボルト挿通孔102 を
貫通開穿してなるもので、図示の如く、そのボルト挿通
孔102 と、三輪車の背凭れ杆B1にプレス等の手段で開穿
したボルト孔B1’とにボルト200 を挿通し、そのボルト
200 に、ナット300 ’を内蔵せる摘み300 を螺嵌せしめ
て背凭れ杆B1に固定されるようになっていた。2. Description of the Related Art Conventionally, as shown in FIG. 5, a push rod 100 for a tricycle of this type is formed by bending a desired metal rod into a gate shape, and a bolt insertion hole 102 is formed in a lower portion of a left and right rod 101 thereof. As shown in the figure, a bolt 200 is inserted through a bolt insertion hole 102 and a bolt hole B1 ′ drilled through a backrest rod B1 of a tricycle by means such as a press.
A knob 300 having a built-in nut 300 'is screwed into the nut 200, and is fixed to the backrest rod B1.
【０００３】[0003]
【考案が解決しようとする課題】しかし乍ら前記従来の
押し棒100 によれば、幼児が補助の必要なく三輪車に乗
れるようになった場合、即ち、押し棒100 を三輪車から
外した場合、三輪車の背凭れ杆B1に開穿したボルト孔B
1’が露出し、幼児が該孔B1’口縁のばり等に手指を引
っ掛けて怪我する虞れがあった。However, according to the conventional push rod 100, when the infant can ride on the tricycle without the need for assistance, that is, when the push rod 100 is removed from the tricycle, Bolt hole B opened in backrest rod B1
1 'was exposed, and there was a risk that the infant could be injured by catching his / her finger on the burr at the edge of the hole B1'.
【０００４】また従来の押し棒100 は、側杆101 下部を
背凭れ杆B1にボルト・ナット止めするので、押し棒100
の高さが一定に固定されてしまい、各補助者（幼児の親
等）が使用するに最適な任意の高さを得られるものでは
なかった。In the conventional push rod 100, the lower part of the side rod 101 is fixed to the backrest rod B1 with bolts and nuts.
Is fixed to a fixed height, and it is not possible to obtain an arbitrary height that is optimal for use by each assistant (parents of an infant).
【０００５】本考案はこのような従来事情に鑑みなされ
たものであり、その目的とするところは、三輪車の背凭
れ杆の側においてボルト孔等を開穿したり取付け用部材
等を設けたりする必要なく三輪車への取付けが可能であ
ると共に、各補助者が使用するに最適な任意の高さを得
ることのできる、幼児用三輪車の押し棒を提供すること
である。The present invention has been made in view of such a conventional situation, and a purpose thereof is to provide a backrest for a tricycle.
A member for drilling bolt holes on the side of the lever
It is an object of the present invention to provide a push rod for a tricycle for infants, which can be mounted on a tricycle without having to provide any other means, and which can obtain an arbitrary height which is optimal for each assistant to use.
【０００６】[0006]
【課題を解決するための手段】前述の目的を達成するた
めに、本考案に係る幼児用三輪車の押し棒は、門形に折
曲形成した押し棒本体の左，右側杆の下部に、三輪車の
背凭れ杆を挟持する挟持部材を配備してなり、該挟持部
材は、前記側杆に固定した固定片部の一側端に該固定片
部と対峙する可動片部を枢着すると共に、前記夫々の片
部における遊端側同士をねじ杆で接離可能に螺着して形
成し、且つ前記夫々の片部の内面には上記側杆と平行な
縦溝を相対向状に設け、それら縦溝によって三輪車の背
凭れ杆の挟持部とし、この挟持部材により、必要に応じ
て三輪車の背凭れ杆に着脱可能に取付けることができる
ようにしたことを特徴とする。In order to achieve the above-mentioned object, the push rod of the infant tricycle according to the present invention is provided at the lower part of the left and right rods of the push rod body formed in a gate shape. A holding member for holding the backrest rod is provided, and the holding member pivotally attaches a movable piece facing the fixed piece to one end of a fixed piece fixed to the side rod, The free ends of the respective pieces are screwed together so as to be able to contact and separate with a screw rod, and the inner surfaces of the respective pieces are provided with longitudinal grooves parallel to the side rods in opposition to each other, These vertical grooves serve as a holding portion for the backrest rod of the tricycle.
Can be detachably attached to the backrest rod of a tricycle
Characterized in that way the.
【０００７】[0007]
【作用】以上の構成によれば、押し棒本体の左，右側杆
に装備した挟持部材内にて相対向する縦溝同士で三輪車
の背凭れ杆を挟持するをもって、押し棒本体を背凭れ杆
に固定する。また、押し棒本体を背凭れ杆に固定した状
態においてねじ杆を緩めれば、押し棒本体の上下スライ
ドが自在となる。According to the above construction, the back rods of the tricycle are sandwiched between the opposed vertical grooves in the holding members provided on the left and right rods of the push rod body, and the push rod bodies are placed on the back rods. Fixed to. Further, if the screw rod is loosened while the push rod body is fixed to the backrest rod, the push rod body can be freely slid up and down.
【０００８】[0008]
【実施例】以下、本考案に係る幼児用三輪車の押し棒の
一実施例を図１〜４を参照して説明する。図１中のＡ
は、押し棒本体１の左，右側杆の下部に挟持部材２，２
を装備してなる本実施例の押し棒で、その挟持部材２，
２を介して三輪車Ｂの背凭れ杆B1に固定されている。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view of a push rod for a tricycle for an infant according to the present invention; FIG. A in FIG.
Are holding members 2, 2 at the lower part of the left and right rods of the push rod body 1.
With the push rod of this embodiment equipped with
2 and is fixed to the backrest rod B1 of the tricycle B via the two.
【０００９】三輪車Ｂの背凭れ杆B1は、三輪車Ｂの座部
B2後方に門形状に起設した周知のもので、その左，右側
部B11,B11 同士の離間寸法は適宜とする。押し棒本体１
は、所望な金属材からなる水平杆部11の両端を下方へ折
曲して左，右の側杆12，12とした正面門形状に形成され
るもので、その水平杆部11には補助操作時の持手となる
カバー13が装着される。尚、前記左，右の側杆12，12同
士の離間寸法は、上記背凭れ杆B1の左，右側部B11,B11
同士の離間寸法とほぼ同一に形成する。The backrest rod B1 of the tricycle B is a seat of the tricycle B
It is a well-known one raised in the shape of a gate behind B2, and the distance between the left and right portions B11, B11 is set appropriately. Push rod body 1
Is formed into a front gate shape by bending both ends of a horizontal rod portion 11 made of a desired metal material downward to form left and right side rods 12, 12. A cover 13, which is a handle during operation, is mounted. The distance between the left and right side bars 12, 12 is determined by the left and right portions B11, B11 of the backrest bar B1.
They are formed so as to have substantially the same distance between them.
【００１０】挟持部材２は図２〜４に示す如く、前記側
杆12に固定する固定片部３と、該固定片部３の一側端に
枢着する可動片部４と、それら両片部３，４の遊端側同
士を螺着するねじ杆５とからなる。As shown in FIGS. 2 to 4, the holding member 2 includes a fixed piece 3 fixed to the side rod 12, a movable piece 4 pivotally attached to one end of the fixed piece 3, and both pieces. And a screw rod 5 for screwing the free ends of the parts 3 and 4 together.
【００１１】固定片部３は適宜な材料、例えば強化プラ
スチック等を用いて、図２に示すような正面形状を呈す
る薄肉片状に形成され、且つその上下縁には内側へ向か
って延出するリム面31を一体形成すると共に、その内面
にはそれらリム面31とほぼ同一な平面形状を呈するリブ
32を多段状に突設してなる。The fixing piece 3 is made of a suitable material, for example, a reinforced plastic or the like, and is formed in the shape of a thin piece having a frontal shape as shown in FIG. The rim surface 31 is integrally formed, and the inner surface thereof has a rib having a substantially same planar shape as the rim surface 31.
32 are protruded in multiple stages.
【００１２】また、その一側端（図２〜４において左側
端、即ち枢支端）側には軸33が開動不能に挿入される枢
支環部34，34…を多段状に突設し、他側端（図２〜４に
おいては右側端、即ち遊端）側にはねじ杆５を挿通する
筒状孔35を設ける。さらに、筒状孔35と隣接する部位に
は、後述せる側杆12用の縦溝37に連絡する通孔36を貫通
開穿する。On one side (left end in FIGS. 2 to 4, ie, the pivot end), pivot rings 34, 34. On the other end (the right end in FIGS. 2 to 4, that is, the free end), a cylindrical hole 35 through which the screw rod 5 is inserted is provided. Further, a through hole 36 is formed in a portion adjacent to the cylindrical hole 35 so as to communicate with a vertical groove 37 for the side rod 12, which will be described later.
【００１３】上記リム面31及び各リブ32には、筒状孔35
に隣接する切欠き37’と、枢支環部に隣接する切欠き3
8’を、上下方向へ同一位置に設け、これにより、固定
片部３の内面において、遊端側に側杆12用の縦溝37が、
枢支端側に背凭れ杆B11 用の縦溝38が、夫々形成され
る。A cylindrical hole 35 is formed in the rim surface 31 and each rib 32.
Notch 37 'adjacent to, and notch 3 adjacent to the pivot ring
8 ′ is provided at the same position in the vertical direction, whereby, on the inner surface of the fixing piece 3, the vertical groove 37 for the side rod 12 is provided on the free end side,
Vertical grooves 38 for the backrest rod B11 are formed on the pivot end side, respectively.
【００１４】縦溝37には押し棒本体１の側杆12を装填
し、該側杆12は、通孔36の外縁に一端を係止するリベッ
ト39により固定部材３に固定される。The vertical rod 37 is loaded with the side rod 12 of the push rod main body 1, and the side rod 12 is fixed to the fixing member 3 by a rivet 39 that locks one end to the outer edge of the through hole 36.
【００１５】可動片部４は、前述の固定片部３と同じ材
料を用いて、同片部３とほば対称な正面形状に形成を呈
する薄肉片状に形成され、且つその上下縁には内側へ向
かって延出するリム面41を一体形成すると共に、その内
面にはそれらリム面41とほぼ同一な平面形状を呈するリ
ブ42を多段状に突設してなる。The movable piece 4 is formed of the same material as that of the above-mentioned fixed piece 3, and is formed in a thin piece shape having a substantially symmetrical front shape with the same piece 3, and has upper and lower edges. A rim surface 41 extending inward is integrally formed, and a plurality of ribs 42 having substantially the same planar shape as those of the rim surface 41 are provided on the inner surface thereof.
【００１６】また、その一側端（図２〜４において左側
端、即ち枢支端）側には前述の枢支環部34，34間に回動
可能に係合する枢支環部44，44…を多段状に突設し、こ
れら枢支環部34，34…、44，44…に軸33を開動不能に挿
入するをもって、固定片部３の一端側に該固定片部３と
対峙する可動片部４が回動（開閉動）可能に枢着され
る。On one side (the left end in FIGS. 2 to 4, ie, the pivot end), a pivot ring 44, which is rotatably engaged between the pivot rings 34, 34, is provided. 44 are protruded in a multi-stage form, and the shaft 33 is inserted into these pivot ring portions 34, 34, 44, 44 so as not to be able to open, so that one end of the fixed piece 3 faces the fixed piece 3. The movable piece 4 is pivotally connected (openable and closable).
【００１７】また他側端（図２〜４においては右側端、
即ち遊端）側には、前述の筒状孔35に対向，連通する筒
状孔45を設け、該筒状孔45の外端にはナット６を埋設せ
しめると共に、このナット６の露呈を防ぐカバー49を可
動片部４外面に嵌装する。The other end (the right end in FIGS. 2 to 4,
In other words, on the (free end) side, a cylindrical hole 45 facing and communicating with the above-described cylindrical hole 35 is provided, and a nut 6 is buried in the outer end of the cylindrical hole 45 to prevent the nut 6 from being exposed. The cover 49 is fitted on the outer surface of the movable piece 4.
【００１８】上記リム面41及び各リブ42には、固定片部
３の切欠き37’に対向する切欠き47’、切欠き38’に対
向する切欠き48’を、上下方向へ同一位置に設ける。こ
れにより、可動片部４の内面において、遊端側に側杆12
用の縦溝47が、枢支端側に背凭れ杆B11 用の縦溝48が、
夫々、上記固定片部３の縦溝37，38と相対向するよう形
成される。縦溝38，48は背凭れ杆Ｂ１の挟持部を構成す
る。On the rim surface 41 and each rib 42, a notch 47 'facing the notch 37' of the fixed piece 3 and a notch 48 'facing the notch 38' are arranged at the same position in the vertical direction. Provide. Thereby, on the inner surface of the movable piece portion 4, the side rod 12
Vertical groove 47 for the backrest rod B11 on the pivot end side,
Each of them is formed so as to face the vertical grooves 37 and 38 of the fixing piece 3. The vertical grooves 38 and 48 constitute a holding portion of the backrest rod B1.
【００１９】尚、縦溝47は、背凭れ杆B1を挟持する際
に、固定片部３側の縦溝37に固定した側杆12を没入せし
めるための、にげとして機能する。The vertical groove 47 functions as a barb for holding the side rod 12 fixed to the vertical groove 37 on the fixing piece 3 side when holding the backrest rod B1.
【００２０】ねじ杆５は、固定片部３と可動片部４とを
対峙せしめた状態において連通する筒状孔35，45に挿入
され、その先端部位を前記ナット６に螺嵌せしめて固定
片部３と可動片部４を対峙状に締結するボルト部材から
なる。The screw rod 5 is inserted into the cylindrical holes 35 and 45 communicating with each other when the fixed piece 3 and the movable piece 4 face each other. It is composed of a bolt member for fastening the part 3 and the movable piece part 4 to face each other.
【００２１】ねじ杆５の基端部位、即ち、筒状孔35から
突出するボルト頭の部分には、ねじ杆５の取付け，取外
しを行う際の回動操作用の摘み部51が装着される。At the base end of the screw rod 5, that is, at the portion of the bolt head projecting from the cylindrical hole 35, a knob 51 for turning operation for mounting and removing the screw rod 5 is mounted. .
【００２２】以下に、本実施例における押し棒Ａを三輪
車Ｂに取付ける際の手順について説明するが、初期の状
態（製品の出荷時）において、押し棒本体１の左，右側
杆12，12の下部には挟持部材２が予め装備されているも
のとする。The procedure for attaching the push rod A to the tricycle B in this embodiment will be described below. In the initial state (at the time of shipment of the product), the left and right rods 12, 12 of the push rod main body 1 are set. It is assumed that a holding member 2 is previously provided at the lower part.
【００２３】まず、固定片部３と可動片部４の遊端側同
士を締結しているねじ杆５を外して可動片部４を開き、
固定片部３の縦溝38内に三輪車の背凭れ杆B11 を装填す
る（図４参照）。First, the movable rod 4 is opened by removing the screw rod 5 fastening the free ends of the fixed piece 3 and the movable piece 4 to each other.
The backrest rod B11 of the tricycle is loaded into the vertical groove 38 of the fixed piece 3 (see FIG. 4).
【００２４】その後、可動片部４を閉じ、さらにねじ杆
５で両片部３，４の遊端側同士を再度締付けて固定片部
３と可動片部４の縦溝38，48で背凭れ杆B11 を挟持す
る。これにより、予め固定片部３にリベット39止めされ
た側杆12を背凭れ杆B11 に連結・固定するをもって、押
し棒Ａが三輪車Ｂに添設される（図２，３参照）。Thereafter, the movable piece 4 is closed, and the free ends of the two pieces 3 and 4 are tightened again with the screw rod 5 to backrest with the vertical grooves 38 and 48 of the fixed piece 3 and the movable piece 4. Hold the rod B11. Thereby, the side rod 12 previously riveted to the fixing piece 3 is connected and fixed to the backrest rod B11, and the push rod A is attached to the tricycle B (see FIGS. 2 and 3).
【００２５】またその状態（図２，３の状態）でねじ杆
５を緩めれば、押し棒本体１が背凭れ杆B11 に対して上
下スライド自在となり、押し棒本体１を適宜高さに調整
した後ねじ杆５を再度締付けて、補助者（幼児の親等）
が使用するに最適な任意の高さを得る。When the screw rod 5 is loosened in this state (the state shown in FIGS. 2 and 3), the push rod body 1 can be slid up and down relative to the backrest rod B11, and the push rod body 1 is adjusted to an appropriate height. After tightening the screw 5 again, the assistant (child's parent)
Get any height that is best to use.
【００２６】[0026]
【考案の効果】本考案に係る幼児用三輪車の押し棒は以
上説明したように構成したことにより、以下に記載され
る効果を奏する。The push rod of the infant tricycle according to the present invention has the following effects by being configured as described above.
【００２７】押し棒本体の左，右側杆に装備した挟持部
材内の相対向する縦溝同士で三輪車の背凭れ杆を挟持
し、ねじ杆を締め付けるだけで背凭れ杆に押し棒本体を
固定することができるので、補助の要否に応じて三輪車
に押し棒を容易に取付け及び取外しすることができる。
従って、従来のように三輪車に押し棒を装備するため
に、三輪車の側において背凭れ杆に押し棒取付け用の部
材を設けたり、ボルト孔等を開穿するといった特別な加
工を施す必要をなくすことができる。 しかも、幼児が補
助を要することなく三輪車に乗れるようになって押し棒
を三輪車から取外す際には、背凭れ杆を挟持している挟
持部材と共に取外すことができるため、その背凭れ杆に
は押し棒取付け用の部材やボルト孔等が一切残存せず、
背凭れ杆に残存する取付け用の部材やボルト孔等で幼児
が怪我するといった危険性をなくすことができ、三輪車
の安全性向上を図り得ると共に、三輪車の外観を損ねる
といった心配も解消する。 The backrest rod of the tricycle is held between the opposed vertical grooves in the holding members provided on the left and right rods of the pushrod body, and the pushrod body is fixed to the backrest rod by simply tightening the screw rod. Tricycles depending on the need for assistance
The push rod can be easily attached and detached.
Therefore, to equip a tricycle with a push rod as before
A part for attaching a push rod to the backrest rod on the side of the tricycle
Special materials such as providing materials and drilling bolt holes, etc.
It is possible to eliminate the need for processing. In addition, infants
A push rod that allows you to ride on a tricycle without assistance
When removing the backrest from the tricycle,
Because it can be removed together with the holding member,
No push rod mounting members or bolt holes remain.
Use the remaining mounting members or bolt holes on the backrest
Can eliminate the risk of injury
Can improve the safety of cars and damage the appearance of tricycles
Such concerns are resolved.
【００２８】また、背凭れ杆にボルト孔等を開穿しない
ことから背凭れ杆の強度低下を防いで、三輪車の耐久度
向上が期待できる。Further, since a bolt hole or the like is not formed in the backrest bar, it is possible to prevent a decrease in the strength of the backrest bar and to improve the durability of the tricycle.
【００２９】さらに、押し棒本体を背凭れ杆に固定した
状態でねじ杆を緩めれば、押し棒本体の上下スライドが
自在となり、押し棒本体を適宜高さに調整した後にねじ
杆を再度締め付けて、補助者（幼児の親等）が使用する
に最適な任意の高さを得ることができ、補助行為の操作
性・安全性等を向上し得る。Further, if the screw rod is loosened while the push rod body is fixed to the backrest rod, the push rod body can be freely slid up and down. After the push rod body is adjusted to an appropriate height, the screw rod is tightened again. Thus, it is possible to obtain an arbitrary height that is optimal for the assistant (parents of the infant) to use, and to improve the operability and safety of the assisting action.
【図１】本考案に係る幼児用三輪車の押し棒の一実施例
を示す使用状態の斜視図。FIG. 1 is a perspective view of an embodiment of a push rod of an infant tricycle according to the present invention in a used state.
【図２】図１の要部を拡大して示す側面図。FIG. 2 is an enlarged side view showing a main part of FIG. 1;
【図３】図２の（３）−（３）線に沿う断面図。FIG. 3 is a sectional view taken along lines (3)-(3) in FIG. 2;
【図４】可動片部を開いた状態を表す平面図。FIG. 4 is a plan view showing a state where a movable piece is opened.
【図５】従来の押し棒の使用状態を表す要部の側面図
で、一部切欠して表す。FIG. 5 is a side view of a main part showing a use state of a conventional push rod, which is partially cut away.
Ａ：押し棒 １：押し棒本体 1
2：側杆 ２：挟持部材 ３：固定片部
４：可動片部 38，48：（背凭れ杆挟持用の）縦溝
５：ねじ杆 Ｂ：三輪車 B1：背凭れ杆A: Push rod 1: Push rod body 1
2: Side rod 2: Holding member 3: Fixed piece
4: Movable piece 38, 48: Vertical groove (for holding backrest rod)
5: Screw rod B: Tricycle B1: Backrest rod
Claims (1)
着脱可能に取付ける押し棒であって、門形に折曲形成し
た押し棒本体の左，右側杆の下部に、前記背凭れ杆を挟
持する挟持部材を配備してなり、該挟持部材は、前記側
杆に固定した固定片部の一側端に該固定片部と対峙する
可動片部を枢着すると共に、前記夫々の片部における遊
端側同士をねじ杆で接離可能に螺着して形成し、且つ前
記夫々の片部の内面には上記側杆と平行な縦溝を相対向
状に設け、それら縦溝によって三輪車の背凭れ杆の挟持
部とすることを特徴とする幼児用三輪車の押し棒。1. The backrest rod of an infant tricycle as required
A push rod detachably attached, the left push rod body formed bent in a gate shape, the bottom of the right lever, made by deploying clamping member for clamping the backrest rod,該挟support member, the A movable piece facing the fixed piece is pivotally attached to one side end of the fixed piece fixed to the side rod, and the free ends of the respective pieces are connected to each other with a screw rod so as to be able to come and go with the screw rod. And a vertical groove parallel to the side rod is provided on the inner surface of each of the pieces in opposition to each other, and the vertical groove serves as a holding portion for a backrest rod of a tricycle. Tricycle push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992015971U JP2540921Y2 (en) | 1992-03-26 | 1992-03-26 | Infant tricycle push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992015971U JP2540921Y2 (en) | 1992-03-26 | 1992-03-26 | Infant tricycle push rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0576991U JPH0576991U (en) | 1993-10-19 |
| JP2540921Y2 true JP2540921Y2 (en) | 1997-07-09 |
Family
ID=11903603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1992015971U Expired - Lifetime JP2540921Y2 (en) | 1992-03-26 | 1992-03-26 | Infant tricycle push rod |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2540921Y2 (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50155787A (en) * | 1974-06-07 | 1975-12-16 |
-
1992
- 1992-03-26 JP JP1992015971U patent/JP2540921Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0576991U (en) | 1993-10-19 |
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