JPH08128418A - Screw fastening structure - Google Patents
Screw fastening structureInfo
- Publication number
- JPH08128418A JPH08128418A JP29033794A JP29033794A JPH08128418A JP H08128418 A JPH08128418 A JP H08128418A JP 29033794 A JP29033794 A JP 29033794A JP 29033794 A JP29033794 A JP 29033794A JP H08128418 A JPH08128418 A JP H08128418A
- Authority
- JP
- Japan
- Prior art keywords
- parts
- main body
- boss
- screw
- fastening 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.)
- Pending
Links
Landscapes
- Connection Of Plates (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は、特に腕時計等の精密
小型機器で複数部品の共締めによる組立作業性を向上さ
せたねじ締結構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screw fastening structure in which precision assembling of a wristwatch or the like is improved by assembling a plurality of parts together to improve assembly workability.
【0002】[0002]
【従来の技術】一般産業機器における部品組立では、多
くの場合、1つの部品に対して複数個の締結用ボルトや
ねじ類が用いられる。特に、腕時計等の小型精密機器の
ように、機能面やデザイン面で厚さ方向の寸法大型化を
抑える必要がある製品では、LSI基板などを含む小型
の多種多様な部品が上下に重なり合ってケースに内蔵さ
れ、それら各部品を共通のねじで共締めすることが多
い。また、ほとんどの場合、部品に対してはその複数個
所にて複数個のねじが用いられるため、ねじとねじのセ
ンター間のピッチ寸法には高精度が要求される。2. Description of the Related Art In the assembly of parts in general industrial equipment, in many cases, a plurality of fastening bolts and screws are used for one part. In particular, in products such as wristwatches and other small precision equipment that need to prevent size and size increases in the thickness direction in terms of functionality and design, a wide variety of small components, including LSI boards, are stacked vertically to form a case. It is built in, and each of these parts is often fastened together with a common screw. Further, in most cases, a plurality of screws are used at a plurality of places for a component, so that the pitch dimension between the screws and the centers of the screws is required to be highly accurate.
【0003】[0003]
【発明が解決しようとする課題】ところで、部品の仕上
げ精度とか、それに設けた締結用の貫通孔やねじ孔の精
度にばらつきがあると、各部品のそうした貫通孔やねじ
孔に共通のねじを用いて挿通またはねじ込みによって共
締めする際、部品のなかにはねじによるねじ込みが困難
もしくは不可能となる場合が多々あり、組立作業性を著
しく低下させるものであった。特に、上記実例の腕時計
用LSI基板の場合、無理な締め付けや圧入による締結
は、作業不良をきたすことは勿論、基板上に搭載の電子
部品に損傷を与えることがあるため、極力避けられるこ
とが望ましい。したがって、この発明の目的は、特に腕
時計等の小型精密機器にあって、多数の精密部品同士を
共締めする際の作業性向上と部品保護に有効なねじ締結
構造を提供することにある。By the way, if there are variations in the finishing accuracy of parts or the accuracy of through holes and screw holes for fastening provided in the parts, screws common to such through holes and screw holes of each part will be used. When they are jointly tightened by insertion or screwing in, it is often difficult or impossible to screw in some of the parts, which significantly deteriorates the assembly workability. In particular, in the case of the wristwatch LSI substrate of the above-mentioned example, forcible tightening or fastening by press-fitting may not only cause work failure but also damage electronic components mounted on the substrate, so that it can be avoided as much as possible. desirable. Therefore, it is an object of the present invention to provide a screw fastening structure that is effective for improving workability and protecting components when co-fastening a large number of precision components, particularly in a small precision instrument such as a wristwatch.
【0004】[0004]
【課題を解決するための手段】上記目的を達成するため
に、この発明によるねじ締結構造は、機器の本体ケース
上に複数の部品を重ねて共締めするとき、本体ケースに
部品位置決めを兼ねた貫通孔付きまたは雌ねじ付きの複
数のボス部が立ち上って設けられ、各部品にはボス部の
外径に所定の嵌合代をもって挿通する複数の締結孔が設
けられ、ボス部を介しねじによって各部品を共締めする
にあたり、ボス部が基部とこの上の本体部とからなって
いて、基部はその外径と各部品の締結孔との間に前記嵌
合代を有するよう形成するとともに、本体部の外径は基
部よりも小さく段差成形されてなっている。この発明に
よるねじ締結構造では、基部と本体部との間の段差部を
傾斜面で形成することができる。また、この発明による
ねじ締結構造では、機器が腕時計であって、この本体ケ
ース上に設けられたボス部に挿通して位置決めされかつ
共締めされる複数の部品の1つをLSI基板とすること
ができる。In order to achieve the above-mentioned object, the screw fastening structure according to the present invention also serves as a component positioning on the main body case when a plurality of components are superposed and fastened together on the main body case. A plurality of boss portions with through holes or female threads are provided upright, and each component is provided with a plurality of fastening holes through which the outer diameter of the boss portion is inserted with a predetermined fitting margin, and each component is screwed through the boss portion. When tightening the parts together, the boss part is composed of a base part and a body part on the base part, and the base part is formed so as to have the fitting margin between the outer diameter of the base part and the fastening hole of each part. The outer diameter of the part is smaller than that of the base part, and the step is formed. In the screw fastening structure according to the present invention, the step portion between the base portion and the main body portion can be formed by the inclined surface. Further, in the screw fastening structure according to the present invention, the device is a wristwatch, and one of a plurality of components that are positioned and co-fastened by being inserted into the boss portion provided on the main body case is an LSI substrate. You can
【0005】[0005]
【作用】機器本体ケースであるケース体に対して、例え
ばLSI基板等の電子部品がその締結孔をケース体側に
設けたボス部に挿通させて落し込まれる。このとき、各
部品に加工精度上の寸法誤差などがある場合、ボス部の
中心軸に対して部品の締結孔がずれることがあるが、そ
の際、落し込み時に部品の締結孔の下端が一度ボス部の
段差部に当接し、そこの傾斜面に案内されて部品の締結
孔は円滑にボス部の基部に落し込まれて、嵌合代が片寄
りなどした状態で嵌合する。円滑に嵌合すれば嵌合代が
片寄りとなっても一向に問題はない。傾斜段差部による
落し込みで、部品に無理を生じることなく保護すること
ができる。The electronic component such as the LSI substrate is dropped into the case body, which is the main body case, by inserting the fastening hole into the boss portion provided on the case body side. At this time, if there is a dimensional error in the machining accuracy of each component, the fastening hole of the component may be misaligned with respect to the central axis of the boss. The fastening hole of the component is brought into contact with the stepped portion of the boss portion, guided by the inclined surface thereof, and is smoothly dropped into the base portion of the boss portion, so that the fitting margin is fitted in a state where the fitting margin is offset. If the fitting is smooth, there will be no problem even if the fitting margin is offset. It is possible to protect the parts without being overloaded by being dropped by the inclined step portion.
【0006】[0006]
【実施例】以下、この発明によるねじ締結構造を腕時計
に適用した実施例を図面に基づいて説明する。図1〜図
3は、実施例の小ねじ保持締結構造が採用された腕時計
の一例を示す正面外観図と、モジュール分解斜視図と、
この分解斜視図で示されるモジュール組立底面図で斜視
図である。この発明でいう機器の本体ケースであるケー
ス体1には透明ガラス2を通して時刻や日付を液晶表示
などする表示部3、この表示部3に表示される時刻や日
付はもとより、気温、気圧、高度等の各種情報を設定、
変更、リセットなどするための各種押釦スイッチ4、5
やカーソルスイッチ6が配置されている。また、近年ユ
ーザーの嗜好性を高めるために赤外線信号によるデータ
通信部も設けられ、LED等による発光部7やホトトラ
ンジスタ等による受光部8の一対が備わっている。ま
た、こうした各種表装部を備えたケース体1の内部に
は、図3に示すように、それら表装部駆動用のモジュー
ル10が内蔵されている。モジュール10を内蔵するケ
ース体1の裏面開口部には、カバー部材である裏蓋11
が締結されてケース体1を閉塞している。この裏蓋11
を利用して内側面にアラーム放音発生源として振動を利
用する圧電素子12なども配置されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which a screw fastening structure according to the present invention is applied to a wristwatch will be described below with reference to the drawings. 1 to 3 are a front external view showing an example of a wrist watch adopting the small screw holding and fastening structure of the embodiment, a module exploded perspective view,
It is a perspective view in the module assembly bottom view shown by this exploded perspective view. In the case body 1 which is the main body case of the device according to the present invention, the display unit 3 for displaying the time and date on the liquid crystal through the transparent glass 2, the time and date displayed on the display unit 3, as well as the temperature, atmospheric pressure, altitude Set various information such as
Various push button switches 4 and 5 for changing and resetting
And a cursor switch 6 are arranged. Further, in recent years, a data communication unit for infrared signals has been provided to enhance user's preference, and a pair of a light emitting unit 7 such as an LED and a light receiving unit 8 such as a phototransistor is provided. Further, as shown in FIG. 3, a module 10 for driving these cover parts is built in the inside of the case body 1 having such cover parts. A back cover 11 which is a cover member is provided in the rear opening of the case body 1 in which the module 10 is built.
Are fastened to close the case body 1. This case back 11
A piezoelectric element 12 that utilizes vibration as an alarm sound emission source is also disposed on the inner side surface by utilizing.
【0007】図2の分解図で示すように、モジュール1
0は次の各部材からなっている。上記ケース体1の表側
に設けられた表示部3用の開口窓3aに臨んで、外側か
ら透明ガラス2で保護された液晶表示装置(LCD)1
3が配置されている。このLCD13はスペーサ部材を
兼ねた合成樹脂製の上ハウジング14に取り付けられ、
この上ハウジング14にはLSI基板15も積合して組
み付けられていて、インターコネクタ16、17を介し
てLCD13とLSI基板15を電子的に接続して電子
回路を構成している。上ハウジング14には導電性ゴム
による上記押釦スイッチ4用の接点ゴム18なども設け
られる。LSI基板15の下方には合成樹脂製の下ハウ
ジング19が配置され、この下ハウジング19を利用し
て電源電池20が格納されている。電池20は押え板2
1によって格納部19aに保持され、平小ねじによる電
池押えねじ30と座金31を用いて押え板21を下ハウ
ジング19に締結している。As shown in the exploded view of FIG. 2, the module 1
0 consists of the following members. A liquid crystal display device (LCD) 1 protected from the outside by a transparent glass 2 facing an opening window 3a for a display unit 3 provided on the front side of the case body 1.
3 are arranged. The LCD 13 is attached to an upper housing 14 made of synthetic resin which also serves as a spacer member,
An LSI substrate 15 is also stacked and assembled to the upper housing 14, and the LCD 13 and the LSI substrate 15 are electronically connected to each other through the interconnectors 16 and 17 to form an electronic circuit. The upper housing 14 is also provided with a contact rubber 18 for the push button switch 4 and the like made of conductive rubber. A lower housing 19 made of synthetic resin is arranged below the LSI substrate 15, and a power supply battery 20 is stored in the lower housing 19. Battery 20 is a holding plate 2
The holding plate 21 is fastened to the lower housing 19 by means of a battery holding screw 30 and a washer 31 which are held in the storage portion 19a by a flat screw.
【0008】また、電池20を格納した下ハウジング1
9の外側からは、全体輪環状で電気導通材による地板2
2を用いて、多数の平小ねじ23により下ハウジング1
9等の部材を共締めして上記ケース体1に締結するよう
になっている。地板22にはその端部にスプリング接点
24が設けてあって、このスプリング接点24を上記イ
ンターコネクタ16に接続させて通電可能となってい
る。地板22の外側からは、絶縁シート32、33を介
して裏蓋11でもって閉塞し、以上のごときモジュール
10がケース体1に内蔵される。A lower housing 1 containing a battery 20 is also provided.
From the outside of 9, the main plate 2 made of an electrically conductive material with a whole ring shape
2 by using a number of flat head screws 23
Members such as 9 are fastened together and fastened to the case body 1. A spring contact 24 is provided on an end portion of the main plate 22, and the spring contact 24 is connected to the interconnector 16 so that it can be energized. From the outside of the base plate 22, the back cover 11 is closed via the insulating sheets 32 and 33, and the module 10 as described above is built in the case body 1.
【0009】ここで、図4は、図3のA−A矢印線によ
る断面図で、この発明のねじ締結構造の実例部断面を示
している。図2を併用して説明すれば、それぞれ間隔寸
法P1、P2・・・をもって配置される上記多数の平小ね
じ23に対応して、上記ケース体1側にはねじ受け用の
ボス部25が突出成形されている。この平小ねじ23と
ボス部25との螺合により上記LSI基板15、下ハウ
ジング19、そして地板22が共締めされる構造となっ
ている。これらLSI基板15、下ハウジング19およ
び地板22の各部品には、平小ねじ23が挿通する締結
孔26、27、28がそれぞれ貫通孔として設けられて
いる。FIG. 4 is a sectional view taken along the line AA of FIG. 3, showing a sectional view of an example of the screw fastening structure of the present invention. Referring to FIG. 2 together, a screw receiving boss portion is provided on the case body 1 side in correspondence with the large number of flat machine screws 23 arranged with the interval dimensions P 1 , P 2, ... 25 is protrudingly formed. The flat board screw 23 and the boss portion 25 are screwed together so that the LSI substrate 15, the lower housing 19 and the base plate 22 are fastened together. Fastening holes 26, 27, and 28 through which flat screws 23 are inserted are provided as through holes in the components of the LSI substrate 15, the lower housing 19, and the main plate 22, respectively.
【0010】図4において、ケース体1側のボス部25
は、基部25aとこの上の本体部25bとからなってい
て、基部25aはその外径D1と上記LSI基板15の
孔径dを有する締結孔26との間に嵌合代cを有するよ
う形成されている。本体部25bの外径D2は基部25
aの外径D1よりも小さく段差成形されている。また、
その段差部25cは好適勾配による傾斜面となってい
る。In FIG. 4, the boss portion 25 on the case body 1 side
Comprises a base portion 25a and a main body portion 25b on the base portion 25a. The base portion 25a is formed so as to have a fitting margin c between its outer diameter D 1 and the fastening hole 26 having the hole diameter d of the LSI substrate 15. Has been done. The outer diameter D 2 of the body portion 25b is the base portion 25
The step is formed smaller than the outer diameter D 1 of a. Also,
The step portion 25c is an inclined surface with a suitable slope.
【0011】以上の構成による実施例のねじ締結構造の
組立態様と作用について図4〜図6を中心に説明すれ
ば、図5に示すように、ケース体1に対して、LCD1
3等が順次組付けられ、LSI基板15がその締結孔2
6をボス部25に挿通させて落し込まれる。このとき、
各部品に加工精度上の寸法誤差などがある場合、ボス部
25の中心軸に対してLSI基板15の締結孔26がず
れることがある。こうした場合、落し込み時にLSI基
板15の締結孔26の下端が一度ボス部25の段差部2
5cに当接し、そこの傾斜面に案内されてLSI基板1
5の締結孔26は円滑にボス部25の基部25aに落し
込まれて、図6のように嵌合代cが片寄りした2cの状
態で嵌合する。円滑に嵌合すれば嵌合代cが片寄りとな
っても一向に問題はない。下ハウジング19や地板22
の各締結孔27、28は普通ばか孔と呼ばれるように、
ボス部25の本体部25bの外径D2との間にかなりの
遊び寸法をもっているため、それらの部品の共締めには
問題はない。かかる要領でもって複数の平小ねじ23に
より共締めが行われる。このことは、各部品や締結孔に
ある程度のレベルの加工精度の範囲で、遊びをもって確
実に共締めが可能になることを意味するものである。The assembly mode and operation of the screw fastening structure of the embodiment having the above-mentioned structure will be described with reference to FIGS. 4 to 6. As shown in FIG.
3 and the like are sequentially assembled, and the LSI substrate 15 has the fastening holes 2
6 is inserted into the boss portion 25 and dropped. At this time,
If each component has a dimensional error in processing accuracy, the fastening hole 26 of the LSI substrate 15 may be displaced from the central axis of the boss portion 25. In such a case, the lower end of the fastening hole 26 of the LSI substrate 15 once falls into the step portion 2 of the boss portion 25 when it is dropped.
The LSI substrate 1 is contacted with the 5c and guided by the inclined surface thereof.
The fastening hole 26 of No. 5 is smoothly dropped into the base portion 25a of the boss portion 25, and is fitted in the state of 2c in which the fitting margin c is offset as shown in FIG. If the fitting is smoothly done, there is no problem even if the fitting margin c is offset. Lower housing 19 and main plate 22
Each fastening hole 27, 28 of
Since there is a considerable play size between the boss portion 25 and the outer diameter D 2 of the main body portion 25b, there is no problem in joint fastening of these parts. In this manner, the plurality of flat head screws 23 are used for joint tightening. This means that each component and the fastening hole can be securely fastened together with play within a certain level of processing accuracy.
【0012】なお、実施例のねじ締結構造が適用された
上記腕時計にあって、電池20の交換などすると、それ
までの使用中に設定してあった各種データのメモリ等は
ランダムになる場合がある。こうした場合、再使用にす
る前に、それまでのデータをクリアするためのAC(オ
ールクリア)スイッチが備わっている。すなわち、図7
〜図9に示すように、上記下ハウジング19には逆U字
状に成形されたクリア端子板40が装着されてメモリ制
御部に導通可能となっている。また、このクリア端子板
40に対をなす端子部材として上記地板22には、弾性
を利用して上下方向への撓みが可能な押圧端子部41が
形成してある。したがって、図8のような定常状態か
ら、オールクリア操作時は、先端鋭利な小径棒治具42
を用い、この棒治具42で地板22の押圧端子部41を
下方に押し下げて撓ませると、押圧端子部41が下方の
クリア端子板40に接触して、その電気的接触によるク
リア信号をメモリ制御部に送出するようになっている。
下ハウジング19では、(+)(−)一対の電極板43、4
4や端子板45を介して電池20から上記LSI基板1
5側への電圧供給が行われるようになっている。In the above wristwatch to which the screw fastening structure of the embodiment is applied, when the battery 20 is replaced, the memory of various data set during use up to that time may become random. is there. In such a case, an AC (all clear) switch for clearing the data up to that point is provided before reuse. That is, FIG.
As shown in FIG. 9, an inverted U-shaped clear terminal plate 40 is mounted on the lower housing 19 so that it can be electrically connected to the memory controller. Further, as the terminal member forming a pair with the clear terminal plate 40, the base plate 22 is formed with a pressing terminal portion 41 which can be flexed in the vertical direction by utilizing elasticity. Therefore, from the steady state as shown in FIG. 8, during the all clear operation, the small diameter rod jig 42 with a sharp tip is used.
When the pressing terminal portion 41 of the main plate 22 is pushed down and bent by the rod jig 42 by using, the pressing terminal portion 41 comes into contact with the lower clear terminal plate 40, and the clear signal due to the electrical contact is stored in the memory. It is designed to be sent to the control unit.
In the lower housing 19, a pair of (+) (-) electrode plates 43, 4
4 from the battery 20 via the terminal board 45 and the LSI board 1
The voltage is supplied to the 5 side.
【0013】[0013]
【発明の効果】以上説明したように、この発明によるね
じ保持構造は、特に腕時計等の精密小型機器における部
品同士のねじ締結に最適であり、機器の本体ケースに例
えばLSI基板等の数種の電子部品を共締めする際、ね
じ込み用ボス部に設けられた傾斜面による落し込み段差
部からそうしたLSI基板を落し込めるので、従来のよ
うに仕上げ加工精度誤差などで無理な嵌め込みで、精密
部品に損傷を与えるなどの不具合が防止され、多数の精
密部品同士を共締めする際の作業性向上と部品保護に有
効である。As described above, the screw holding structure according to the present invention is particularly suitable for screw fastening of parts in a precision small equipment such as a wrist watch, and a plurality of kinds of devices such as an LSI substrate are provided in a body case of the equipment. When co-tightening electronic parts, such an LSI board can be dropped from the drop step part due to the inclined surface provided on the screwing boss part, so it is impossible to fit it as a precision part as in the past due to finish processing accuracy error etc. Problems such as damage are prevented, and it is effective in improving workability and protecting parts when tightening many precision parts together.
【図1】この発明によるねじ保持締結構造が適用された
腕時計の平面図。FIG. 1 is a plan view of a wrist watch to which a screw holding and fastening structure according to the present invention is applied.
【図2】腕時計のモジュールの分解斜視図。FIG. 2 is an exploded perspective view of a wristwatch module.
【図3】モジュールの組立底面図。FIG. 3 is an assembled bottom view of the module.
【図4】実施例のねじ保持構造による複数部品の組立断
面図。FIG. 4 is an assembly cross-sectional view of a plurality of parts by the screw holding structure according to the embodiment.
【図5】実施例のねじ保持構造による組立時の態様を示
す断面図。FIG. 5 is a cross-sectional view showing a mode during assembly by the screw holding structure of the embodiment.
【図6】実施例のねじ保持構造による組立後の態様を示
す断面図。FIG. 6 is a cross-sectional view showing a state after assembly by the screw holding structure of the embodiment.
【図7】実施例のねじ保持構造が適用された腕時計にオ
ールクリア端子が備わった形態の分解斜視図。FIG. 7 is an exploded perspective view of a wristwatch to which the screw holding structure of the embodiment is applied and which has an all-clear terminal.
【図8】実施例のねじ保持構造が適用された腕時計にお
けるオールクリア態様を示す断面図。FIG. 8 is a sectional view showing an all-clear mode in a wristwatch to which the screw holding structure of the embodiment is applied.
【図9】実施例のねじ保持構造が適用された腕時計にお
けるオールクリア態様を示す断面図。FIG. 9 is a sectional view showing an all-clear mode in a wristwatch to which the screw holding structure of the embodiment is applied.
1 ケース体 3 表示部 10 モジュール 11 裏蓋 15 LSI基板 19 下ハウジング 20 電池 22 地板 23 平小ねじ 25 ボス部 25a 基部 25b 本体部 25c 傾斜段差部 1 case body 3 display section 10 module 11 back cover 15 LSI substrate 19 lower housing 20 battery 22 base plate 23 flat machine screw 25 boss section 25a base section 25b main body section 25c inclined step section
Claims (3)
て共締めするとき、本体ケースに部品位置決めを兼ねた
貫通孔付きまたは雌ねじ付きの複数のボス部が立ち上っ
て設けられ、各部品にはボス部の外径に所定の嵌合代を
もって挿通する複数の締結孔が設けられ、ボス部を介し
ねじによって各部品を共締めするねじ締結構造におい
て、 ボス部が基部とこの上の本体部とからなっていて、基部
はその外径と各部品の締結孔との間に前記嵌合代を有す
るよう形成するとともに、本体部の外径は基部よりも小
さく段差成形されてなることを特徴とするねじ締結構
造。1. When a plurality of parts are stacked and fastened together on a main body case of a device, a plurality of boss portions with through holes or female threads for positioning the parts are provided upright on the main body case, and each part is attached to each part. Is a screw fastening structure in which multiple fastening holes are inserted through the outer diameter of the boss with a predetermined fitting margin, and each component is fastened together with a screw through the boss. The base portion is formed so as to have the fitting margin between the outer diameter of the base portion and the fastening hole of each component, and the outer diameter of the main body portion is smaller than that of the base portion and is stepped. And screw fastening structure.
形成したことを特徴とする請求項1記載のねじ締結構
造。2. The screw fastening structure according to claim 1, wherein a step portion between the base portion and the main body portion is formed by an inclined surface.
上に設けられたボス部に挿通して位置決めされかつ共締
めされる複数の部品の1つがLSI基板であることを特
徴とする請求項1記載のねじ締結構造。3. The device is a wristwatch, and one of a plurality of components which are positioned by inserting into a boss portion provided on the main body case and are fastened together is an LSI substrate. The screw fastening structure according to 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29033794A JPH08128418A (en) | 1994-11-01 | 1994-11-01 | Screw fastening structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29033794A JPH08128418A (en) | 1994-11-01 | 1994-11-01 | Screw fastening structure |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH08128418A true JPH08128418A (en) | 1996-05-21 |
Family
ID=17754758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29033794A Pending JPH08128418A (en) | 1994-11-01 | 1994-11-01 | Screw fastening structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH08128418A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009030810A (en) * | 2008-10-29 | 2009-02-12 | Itoki Corp | Desk |
JP2017009407A (en) * | 2015-06-22 | 2017-01-12 | カシオ計算機株式会社 | Module and watch |
-
1994
- 1994-11-01 JP JP29033794A patent/JPH08128418A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009030810A (en) * | 2008-10-29 | 2009-02-12 | Itoki Corp | Desk |
JP2017009407A (en) * | 2015-06-22 | 2017-01-12 | カシオ計算機株式会社 | Module and watch |
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