JP2000320561A - Combination structure of shaft and yoke - Google Patents
Combination structure of shaft and yokeInfo
- Publication number
- JP2000320561A JP2000320561A JP11132532A JP13253299A JP2000320561A JP 2000320561 A JP2000320561 A JP 2000320561A JP 11132532 A JP11132532 A JP 11132532A JP 13253299 A JP13253299 A JP 13253299A JP 2000320561 A JP2000320561 A JP 2000320561A
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- yoke
- magnet
- insertion portion
- combination structure
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
- F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
- F16D1/116—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts including a continuous or interrupted circumferential groove in the surface of one of the coupling parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
- F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
- F16D1/0852—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft
- F16D1/0864—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft due to tangential loading of the hub, e.g. a split hub
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/40—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes
- F16D3/405—Apparatus for assembling or dismantling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
- F16D3/382—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another constructional details of other than the intermediate member
- F16D3/387—Fork construction; Mounting of fork on shaft; Adapting shaft for mounting of fork
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、自在継手に適用
される軸とヨークの結合構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coupling structure of a shaft and a yoke applied to a universal joint.
【０００２】[0002]
【従来の技術】従来、たとえば、ステアリングジョイン
トにおける軸とヨークの結合構造では、軸を軸方向にス
ライドさせてヨーク内に挿入してから、ヨークに径方向
に挿通させたボルトを締めて、ヨークと軸を結合させる
ものがある。2. Description of the Related Art Conventionally, for example, in a coupling structure of a shaft and a yoke in a steering joint, the shaft is slid in the axial direction and inserted into the yoke, and then a bolt that is radially inserted through the yoke is tightened. And the axis.
【０００３】また、軸をヨークに対して軸直角方向から
径方向にスライドさせてヨーク内に挿入する軸とヨーク
の結合構造もある。There is also a coupling structure of a shaft and a yoke in which a shaft is slid in a radial direction from a direction perpendicular to the yoke to the yoke and inserted into the yoke.
【０００４】ところが、後者の結合構造では、軸をヨー
ク内に嵌合させた後で、ヨークに締め付けボルトを挿通
させるから、このボルトを締め付けるまで、作業者が軸
とヨークとの嵌合状態を保持しておく必要があり、作業
性が悪いという問題がある。However, in the latter connection structure, a tightening bolt is inserted into the yoke after the shaft is fitted into the yoke. Therefore, until the bolt is tightened, the operator can change the fitting state between the shaft and the yoke. There is a problem that it is necessary to keep it, and workability is poor.
【０００５】また、ボルトを締め付けるまでの間に、軸
とヨークの軸芯がずれたり傾いたりする恐れもある。[0005] Further, there is a possibility that the axis of the shaft and the yoke may be shifted or inclined before the bolt is tightened.
【０００６】[0006]
【発明が解決しようとする課題】そこで、この発明の目
的は、作業性が良く、正確な組み付けが可能な軸とヨー
クの結合構造を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a shaft / yoke coupling structure which has good workability and can be assembled accurately.
【０００７】[0007]
【課題を解決するための手段】上記目的を達成するた
め、請求項１の発明の軸とヨークの結合構造は、径方向
片側が開口している断面Ｕ字形状の軸挿入部とピン受け
部とを有するヨークと、上記軸挿入部に挿入された軸と
を備える軸とヨークの結合構造であって、上記軸または
軸挿入部の少なくとも一方に埋め込まれた抜け止め用磁
石を備え、上記抜け止め用磁石が、磁力で軸をヨークに
引きつけていることを特徴としている。According to a first aspect of the present invention, there is provided a shaft / yoke coupling structure having a U-shaped cross-section having a radially open one side and a pin receiving portion. A yoke having a shaft and a shaft inserted into the shaft insertion portion, wherein the shaft and the yoke have a retaining magnet embedded in at least one of the shaft and the shaft insertion portion. The stop magnet attracts the shaft to the yoke by magnetic force.
【０００８】この請求項１の発明では、ヨークの軸挿入
部の径方向片側の開口から、軸を径方向にスライドさせ
て、軸挿入部内に嵌合させる。このとき、上記軸が軸挿
入部内の径方向の所定位置に達すると、上記抜け止め用
磁石は、磁力で軸をヨークに引きつけて、径方向および
軸方向への軸の移動を規制する。According to the first aspect of the present invention, the shaft is slid in the radial direction from one radial opening of the shaft insertion portion of the yoke, and fitted into the shaft insertion portion. At this time, when the shaft reaches a predetermined position in the radial direction within the shaft insertion portion, the retaining magnet attracts the shaft to the yoke by a magnetic force, thereby restricting the movement of the shaft in the radial direction and the axial direction.
【０００９】したがって、この発明によれば、作業者が
軸から手を離しても、ヨークと軸との所定位置での嵌合
状態を維持できる。したがって、作業者は次のボルト締
め作業をやり易くなる。また、抜け止め用磁石が、磁力
で軸をヨークに引きつけるから、ヨークと軸との径方向
の位置決めを確実,正確に行うことができ、軸とヨーク
との軸芯ずれを防止することができる。Therefore, according to the present invention, the fitting state of the yoke and the shaft at the predetermined position can be maintained even if the operator releases his / her hand from the shaft. Therefore, the operator can easily perform the next bolting operation. In addition, since the retaining magnet attracts the shaft to the yoke by magnetic force, the radial positioning of the yoke and the shaft can be reliably and accurately performed, and the shaft center deviation between the shaft and the yoke can be prevented. .
【００１０】[0010]
【発明の実施の形態】以下、この発明を図示の実施の形
態により詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments.
【００１１】図１(Ａ),(Ｂ)に、この発明の軸とヨーク
の結合構造の実施の形態を示す。図１(Ａ)は図１(Ｂ)の
Ａ−Ａ断面を示す。図１(Ｂ)に示すように、軸１は、全
体として略小判形の断面形状になっており、図において
径方向上側と下側が凸曲面１Ａ,１Ｂになっている。ま
た、この凸曲面１Ａ,１Ｂが挟む左側と右側が平らな平
面１Ｃ,１Ｄになっている。そして、図１(Ｂ)に示すよ
うに、この軸１は、上方の凸曲面１Ａにおいて、径方向
に延びていて湾状に窪んでいるボルト係合用湾曲凹部５
を有している。FIGS. 1A and 1B show an embodiment of a coupling structure of a shaft and a yoke according to the present invention. FIG. 1A shows an AA cross section of FIG. 1B. As shown in FIG. 1B, the shaft 1 has a substantially oval cross-sectional shape as a whole, and the upper and lower sides in the radial direction in the figure are convex curved surfaces 1A and 1B. The left and right sides sandwiching the convex curved surfaces 1A and 1B are flat planes 1C and 1D. As shown in FIG. 1 (B), the shaft 1 has a bolt-engaging curved concave portion 5 extending radially and recessed in a bay shape on the upper convex curved surface 1A.
have.
【００１２】一方、図１(Ａ),(Ｂ)に示すように、ヨー
ク６は、径方向片側が開口している断面略Ｕ字形状の軸
挿入部７とピン受け部８からなる。軸挿入部７は、径方
向の開口１０を挟む対向部１１,１２に形成されたボル
ト孔１３,１５を有する。また、軸挿入部７は、対向部
１１,１２と湾曲部１６との中間部１７,１８の内、湾曲
部１６に軸方向貫通穴２０が形成されており、この軸方
向貫通穴２０に抜け止め用磁石２１が嵌め込まれて固定
されている。On the other hand, as shown in FIGS. 1 (A) and 1 (B), the yoke 6 comprises a shaft insertion portion 7 having a substantially U-shaped cross section and an opening on one side in the radial direction, and a pin receiving portion 8. The shaft insertion portion 7 has bolt holes 13 and 15 formed in the opposing portions 11 and 12 that sandwich the radial opening 10. The axial insertion portion 7 has an axial through hole 20 formed in the bending portion 16 of the intermediate portions 17 and 18 between the facing portions 11 and 12 and the bending portion 16. The stop magnet 21 is fitted and fixed.
【００１３】上記構造の軸１とヨーク６とを結合させる
には、まず、図２に示すように、軸１のボルト係合用湾
曲凹部５を上にして、軸１をヨーク６の軸挿入部７の開
口１０に向かって径方向下方に移動させる。そして、対
向部１１と１２の間に軸１を滑り込ませ、中間部１７,
１８さらには湾曲部１６に向かって、軸１を挿入してい
く。そして、図１(Ｂ)に示すように、軸１の下方の凸曲
面１Ｂを軸挿入部７の湾曲部１６の内周面１６Ａに密接
させたときには、抜け止め用磁石２１が、磁力で軸１を
ヨーク６の軸挿入部７に引き付けて、径方向および軸方
向への軸１の移動を規制する。これにより、作業者が軸
１から手を離しても、ヨーク６と軸１との所定位置での
嵌合状態を維持できるから、次のボルト孔１３,１５に
ボルトを挿通させてボルト締めを行う作業がやり易くな
る。また、このボルト孔１３,１５にボルトを挿通させ
たときに、上記ボルトが軸１のボルト係合用湾曲凹部５
に軸方向に係合するから、軸１の軸方向への移動を止め
ることができる。In order to connect the shaft 1 and the yoke 6 having the above structure, first, as shown in FIG. 7 is moved radially downward toward the opening 10. Then, the shaft 1 is slid between the opposing portions 11 and 12, and the intermediate portion 17,
18 and the shaft 1 is inserted toward the curved portion 16. Then, as shown in FIG. 1B, when the lower convex curved surface 1B of the shaft 1 is brought into close contact with the inner peripheral surface 16A of the curved portion 16 of the shaft insertion portion 7, the retaining magnet 21 is moved by the magnetic force. 1 is attracted to the shaft insertion portion 7 of the yoke 6 to restrict the movement of the shaft 1 in the radial direction and the axial direction. Thereby, even if the operator releases his / her hand from the shaft 1, the fitted state of the yoke 6 and the shaft 1 at the predetermined position can be maintained, so that the bolts are inserted into the next bolt holes 13 and 15 to tighten the bolts. The work to be done becomes easier. When the bolts are inserted through the bolt holes 13 and 15, the bolts engage with the bolt engaging curved recesses 5 of the shaft 1.
Therefore, the axial movement of the shaft 1 can be stopped.
【００１４】また、上記抜け止め用磁石２１が軸１をヨ
ーク６に引きつけるから、ヨーク６と軸１との径方向の
位置決めを確実,正確に行うことができ、軸１とヨーク
６との軸芯ずれを防止できる。Further, since the retaining magnet 21 attracts the shaft 1 to the yoke 6, the radial positioning of the yoke 6 and the shaft 1 can be performed reliably and accurately. Alignment can be prevented.
【００１５】尚、上記実施形態では、ヨーク６の軸挿入
部７の湾曲部１６に抜け止め用磁石２１を埋め込んだ
が、中間部１７や１８に磁石を埋め込んでも良い。もっ
とも、軸１の径方向上方への移動を止めるには、図１
(Ｂ)に示すように、磁石２１を湾曲部１６の最下部に埋
め込むのが最適である。また、ヨーク６ではなく、軸１
の下側凸曲面１Ｂや左,右平面１Ｃ,１Ｄに磁石を埋め込
んでも良い。さらには、軸１とヨーク６の両方に互いに
引き合う磁石を埋め込んでも良い。もっとも、軸１に磁
石を埋め込むよりは、ヨーク６に磁石を埋め込んだ方が
強度的に優れた構造となる。In the above-described embodiment, the retaining magnet 21 is embedded in the curved portion 16 of the shaft insertion portion 7 of the yoke 6, but a magnet may be embedded in the intermediate portion 17 or 18. However, in order to stop the shaft 1 from moving upward in the radial direction, it is necessary to use FIG.
As shown in (B), it is optimal to embed the magnet 21 in the lowermost part of the curved portion 16. Also, instead of the yoke 6, the shaft 1
May be embedded in the lower convex curved surface 1B or the left and right planes 1C and 1D. Furthermore, magnets that attract each other may be embedded in both the shaft 1 and the yoke 6. However, the structure in which the magnet is embedded in the yoke 6 is superior to the shaft 1 in which the magnet is embedded.
【００１６】[0016]
【発明の効果】以上より明らかなように、請求項１の発
明の軸とヨークの結合構造は、径方向片側が開口してい
る断面Ｕ字形状の軸挿入部とピン受け部とを有するヨー
クと、上記軸挿入部に挿入された軸とを備える軸とヨー
クの結合構造であって、上記軸または軸挿入部の少なく
とも一方に埋め込まれた抜け止め用磁石を備えている。As is apparent from the above description, the coupling structure of the shaft and the yoke according to the first aspect of the present invention has a yoke having a shaft insertion portion having a U-shaped cross section and an opening on one side in the radial direction, and a pin receiving portion. And a yoke coupling structure comprising: a shaft inserted into the shaft insertion portion; and a retaining magnet embedded in at least one of the shaft or the shaft insertion portion.
【００１７】この請求項１の発明では、ヨークの軸挿入
部の径方向片側の開口から、軸を径方向にスライドさせ
て、軸が軸挿入部内の径方向の所定位置に達すると、抜
け止め用磁石は磁力で軸をヨークに引きつけて、径方向
および軸方向への軸の移動を規制する。したがって、こ
の発明によれば、作業者が軸から手を離しても、ヨーク
と軸との所定位置での嵌合状態を維持できるから、次の
ボルト締め作業をやり易くなる。また、抜け止め用磁石
が、磁力で軸をヨークに引きつけるから、ヨークと軸と
の径方向の位置決めを確実,正確に行うことができ、軸
とヨークとの軸芯ずれを防止できる。According to the first aspect of the present invention, the shaft is slid in the radial direction from one radial opening of the shaft insertion portion of the yoke, and when the shaft reaches a predetermined position in the shaft insertion portion in the radial direction, the stopper is prevented. The magnet for magnet attracts the shaft to the yoke by magnetic force and regulates the movement of the shaft in the radial and axial directions. Therefore, according to the present invention, the fitting state of the yoke and the shaft at the predetermined position can be maintained even if the operator releases his / her hand from the shaft, so that the next bolting operation can be easily performed. Further, since the retaining magnet attracts the shaft to the yoke by the magnetic force, the radial positioning of the yoke and the shaft can be reliably and accurately performed, and the misalignment of the shaft and the yoke can be prevented.
【図１】 図１(Ａ)はこの発明の軸とヨークの結合構造
の実施の形態を構成するヨーク６の側断面図であり、図
１(Ｂ)はヨーク６を軸方向に見た様子を示す図である。FIG. 1A is a side sectional view of a yoke 6 constituting an embodiment of a shaft / yoke coupling structure according to the present invention, and FIG. 1B is a view of the yoke 6 viewed in an axial direction. FIG.
【図２】 上記実施の形態において、ヨーク６に軸１を
嵌合させる様子を示す斜視図である。FIG. 2 is a perspective view showing a state in which the shaft 1 is fitted to the yoke 6 in the embodiment.
１…軸、１Ａ,１Ｂ…凸曲面、１Ｃ,１Ｄ…平面、３…開
口、５…ボルト係合用湾曲凹部、６…ヨーク、７…軸挿
入部、８…ピン受け部、１０…開口、１１,１２…対向
部、１３,１５…ボルト孔、１６…湾曲部、１７,１８…
中間部、２０…軸方向貫通穴、２１…磁石。DESCRIPTION OF SYMBOLS 1 ... Shaft, 1A, 1B ... Convex curved surface, 1C, 1D ... Plane, 3 ... Opening, 5 ... Curved concave part for bolt engagement, 6 ... Yoke, 7 ... Shaft insertion part, 8 ... Pin receiving part, 10 ... Opening, 11 , 12 ... opposed part, 13,15 ... bolt hole, 16 ... curved part, 17,18 ...
Intermediate part, 20: axial through hole, 21: magnet.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 青田 健一 大阪府大阪市中央区南船場三丁目５番８号 光洋精工株式会社内 (72)発明者 宮脇 修 大阪府八尾市南植松町２丁目34番地 光洋 機械工業株式会社内 (72)発明者 椎山 修一 大阪府八尾市南植松町２丁目34番地 光洋 機械工業株式会社内 Ｆターム(参考） 3J001 AA07 DA00 DE05 EA00 EA01 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Kenichi Aota 3-5-8 Minamisenba, Chuo-ku, Osaka City, Osaka Prefecture Inside Koyo Seiko Co., Ltd. (72) Osamu Miyawaki 2-34 Minamiuematsucho, Yao City, Osaka Prefecture Koyo Machine Industry Co., Ltd. (72) Inventor Shuichi Shiiyama 2-34 Minamiuematsucho, Yao-shi, Osaka Koyo Machine Industry Co., Ltd. F-term (reference) 3J001 AA07 DA00 DE05 EA00 EA01
Claims (1)
の軸挿入部とピン受け部とを有するヨークと、上記軸挿
入部に挿入された軸とを備える軸とヨークの結合構造で
あって、 上記軸または軸挿入部の少なくとも一方に埋め込まれた
抜け止め用磁石を備え、 上記抜け止め用磁石が、磁力で軸をヨークに引きつけて
いることを特徴とする軸とヨークの結合構造。1. A shaft-and-yoke coupling structure comprising a yoke having a shaft insertion portion having a U-shaped cross section open on one side in the radial direction and a pin receiving portion, and a shaft inserted into the shaft insertion portion. And a retaining magnet embedded in at least one of the shaft or the shaft insertion portion, wherein the retaining magnet attracts the shaft to the yoke by a magnetic force. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13253299A JP3540670B2 (en) | 1999-05-13 | 1999-05-13 | Connection structure of shaft and yoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13253299A JP3540670B2 (en) | 1999-05-13 | 1999-05-13 | Connection structure of shaft and yoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000320561A true JP2000320561A (en) | 2000-11-24 |
| JP3540670B2 JP3540670B2 (en) | 2004-07-07 |
Family
ID=15083488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13253299A Expired - Fee Related JP3540670B2 (en) | 1999-05-13 | 1999-05-13 | Connection structure of shaft and yoke |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3540670B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500519A (en) * | 2014-11-28 | 2015-04-08 | 常州超音电子有限公司 | Connecting plate unit for alarm |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405762A (en) * | 2014-11-20 | 2015-03-11 | 吴中区光福金怡五金配件厂 | Cross shaft structure |
| CN104501934A (en) * | 2014-11-28 | 2015-04-08 | 常州超音电子有限公司 | Connection board for electronic scale |
| KR102164515B1 (en) * | 2019-06-26 | 2020-10-12 | 뉴모텍(주) | Pulley Assembly for Transferring Driving Force of Clothes Dryer |
-
1999
- 1999-05-13 JP JP13253299A patent/JP3540670B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104500519A (en) * | 2014-11-28 | 2015-04-08 | 常州超音电子有限公司 | Connecting plate unit for alarm |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3540670B2 (en) | 2004-07-07 |
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