JPS602032Y2 - Seal device for vehicle disc brakes - Google Patents
Seal device for vehicle disc brakesInfo
- Publication number
- JPS602032Y2 JPS602032Y2 JP1979028280U JP2828079U JPS602032Y2 JP S602032 Y2 JPS602032 Y2 JP S602032Y2 JP 1979028280 U JP1979028280 U JP 1979028280U JP 2828079 U JP2828079 U JP 2828079U JP S602032 Y2 JPS602032 Y2 JP S602032Y2
- Authority
- JP
- Japan
- Prior art keywords
- main body
- hole
- fitted
- operating lever
- device main
- 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
Links
Landscapes
- Braking Arrangements (AREA)
Description
【考案の詳細な説明】
本考案は車両用ディスクブレーキ装置、特に筒状の装置
本体の内部に、摩擦パッドをブレーキディスクに押圧す
るための押圧機構を配設し、この押圧機構に連結されて
該押圧機構を作動させるための作動レバーを、前記装置
本体の外周面に開口した長孔を通して該装置本体外へ突
出させ、前記作動レバーと装置本体間には、該作動レバ
ーと前記長孔との間隙を外部より密封するシール材を設
けた形式の、ディスクブレーキ装置におけるシール装置
に関する。[Detailed Description of the Invention] The present invention is a disc brake device for a vehicle, in particular, a pressing mechanism for pressing a friction pad against a brake disc is disposed inside a cylindrical device body, and the device is connected to the pressing mechanism. An operating lever for operating the pressing mechanism projects out of the apparatus main body through a long hole opened in the outer circumferential surface of the apparatus main body, and between the operating lever and the apparatus main body, there is a connection between the operating lever and the long hole. The present invention relates to a sealing device for a disc brake device that includes a sealing material that seals a gap from the outside.
従来、上記シール材を、上記長孔の内周縁部に嵌着され
る比較的厚肉の取付部即ちビード部と、このビード部に
一体に連設されて自由端が上記作動レバーに嵌着される
ブーツ部とより構成したものが一般に知られているが、
このものでは、上記ビード部の特に一対の長辺部の剛性
が低いので、同長辺部とそれが嵌着される前記長孔内周
縁部との密着性が悪く、作動レバーの回動に伴って該長
辺部が引張力を受けるとそれは容易に曲げ変形して長孔
の内周縁部との間に間隙を生じ、そこから外部の粉塵、
泥水等が装置本体内に侵入して制動能力を低下させる惧
れがある。Conventionally, the sealing material has been provided with a relatively thick mounting portion, that is, a bead portion, which is fitted into the inner circumferential edge of the elongated hole, and a free end of which is integrally connected to the bead portion and whose free end is fitted into the actuation lever. It is generally known that the boot part consists of a
In this case, since the rigidity of the bead part, especially the pair of long sides, is low, the adhesion between the long sides and the inner peripheral edge of the elongated hole into which it is fitted is poor, and the rotation of the actuating lever is affected. Accordingly, when the long side part receives a tensile force, it easily bends and deforms, creating a gap between it and the inner peripheral edge of the elongated hole, from which external dust and dirt are drawn.
There is a risk that muddy water or the like may enter the device body and reduce braking performance.
また上記従来のものでは、上記長孔の有効開口面積が上
記ビード部の厚み分だけ狭くなるので、長孔の実際の開
口面積を必要以上に大きく設定しなければならず、それ
だけ装置本体の剛性が低下する不具合もあり、かかる不
具合は、前記惧れを排除するためにビード部の一対の長
辺部の肉厚を分厚く設定した場合に一層顕著に現れる。In addition, in the conventional device described above, the effective opening area of the elongated hole is reduced by the thickness of the bead portion, so the actual opening area of the elongated hole must be set larger than necessary, which increases the rigidity of the device body. There is also a problem in which the resistance decreases, and this problem becomes more noticeable when the thickness of the pair of long sides of the bead portion is set to be thicker in order to eliminate the above-mentioned fear.
本考案は、上記に鑑み提案されたもので、従来のものの
前記惧れ、不具合をすべて解消し得る構造簡単な前記シ
ール装置を提供することを目的とするもので、その特徴
とするところは、前記装置本体の外周面には、前記長孔
が底面に開口する環状溝が凹設され、前記シール材は、
前記作動レバ−が遊嵌する透孔を有し前記環状溝に嵌着
された環状取付部と、前記作動レバーに自由端が嵌着さ
れ前記透孔内を外部より遮蔽するブーツ部とを一体に形
成して構成されることにある。The present invention has been proposed in view of the above, and aims to provide the above-mentioned sealing device with a simple structure that can eliminate all the above-mentioned concerns and problems of the conventional ones. An annular groove in which the elongated hole opens at the bottom is formed in the outer peripheral surface of the device main body, and the sealing material includes:
An annular mounting portion having a through hole into which the actuation lever is loosely fitted and fitted into the annular groove, and a boot portion having a free end fitted into the actuation lever and shielding the inside of the through hole from the outside are integrated. It consists in being formed and composed.
以下、図面により本考案の一実施例について説明する。An embodiment of the present invention will be described below with reference to the drawings.
第１図において１は車輪で、そのホイール２は車軸３の
ブラケット４にボルト５によって固定されている。In FIG. 1, reference numeral 1 denotes a wheel, and the wheel 2 is fixed to a bracket 4 of an axle 3 with bolts 5.
上記ブラケット４の突出部端面にブレーキディスクがボ
ルト７によって固定されている。A brake disc is fixed to the end surface of the protruding portion of the bracket 4 with bolts 7.
上記ホイール２の内側空間Ｓ□の上部にキャリパ本体８
が位置し、その本体８は、車体フレーム９ａに固定した
ブラケット９に２本のボルト１０によって支持されてい
る。The caliper body 8 is placed above the inner space S□ of the wheel 2.
The main body 8 is supported by two bolts 10 on a bracket 9 fixed to a vehicle body frame 9a.
第５図に示すようにキャリパ本体８の支持部とボルト１
０との間にスリーブ１１が介在し、キャリパ本体８はス
リーブ１１に対し摺動可能である。As shown in FIG. 5, the support part of the caliper body 8 and the bolt 1
A sleeve 11 is interposed between the caliper body 8 and the caliper body 8, and the caliper body 8 is slidable with respect to the sleeve 11.
１２．１３は両者の摺動面を塵埃、泥水等より保護する
可撓性ブーツである。12 and 13 are flexible boots that protect the sliding surfaces of both from dust, muddy water, etc.
上記キャリパ本体８は第１．４図に示すように基部１４
とカバ一部１５の二つ割に構成されており、両者１４．
１５によって形成される空間Ｓ内にブレーキディスク６
の一部が位置する。The caliper body 8 has a base 14 as shown in Fig. 1.4.
The cover is divided into two halves of 15 parts, and both parts are 14.
The brake disc 6 is placed in the space S formed by the brake disc 15.
part of is located.
そのブレーキディスク６の左右両側に固定摩擦パッド１
６と可動摩擦パッド１７が位置し、それらの基板１８．
１９がカバ一部１５の外部からキャリパ基部１４にねじ
込んだボルト２０に吊下げ支持されている。Friction pads 1 fixed on both left and right sides of the brake disc 6
6 and a movable friction pad 17 are located, and their substrates 18 .
19 is suspended from the outside of the cover part 15 and supported by a bolt 20 screwed into the caliper base 14.
上記ボルト２０は図示例では２本設けられ、上記のよう
に各パッドを支持すると共にカバ一部１５を基部１４に
締付は固定するために使用されている。Two bolts 20 are provided in the illustrated example, and are used to support each pad as described above and to tighten and fix the cover portion 15 to the base 14.
他の２本のボルト２１．２１はカバ一部１５を基部１４
に固定するためにのみ使用されている。The other two bolts 21.21 attach the cover part 15 to the base 14.
It is used only for fixing.
上記キャリパ基部１４内に可動摩擦パッド１７の基部１
９に当接するカップ形のピストン２２が摺動可能に嵌合
され、その口縁内周面にキャリパ基部内に小ねじ２３に
よって固定されたガイド筒２４の一部が嵌合されている
。The base 1 of the movable friction pad 17 is located within the caliper base 14.
A cup-shaped piston 22 that abuts on the caliper 9 is slidably fitted thereinto, and a portion of a guide cylinder 24 fixed within the caliper base with a machine screw 23 is fitted onto the inner peripheral surface of its mouth edge.
上記ピストン２２およびガイド筒２４内にユニット化さ
れたカム機構２５が設けられている。A unitized cam mechanism 25 is provided within the piston 22 and guide cylinder 24.
そのカム機構２５は収納ケース２６と、そのケース内に
設けられた長い中空の軸部２７を有する回動カム板２８
と、そのカム板２８と対面する摺動カム板２９と、その
両板２８，２９の各対向面に円周上等間隔に形成した皿
状凹部３０，３１（図では各１個のみ示す）間に挾持さ
れたスラストボール３２と、上記回動カム板２８の背面
と軸部２７に嵌めた環状のケース底板３３との間に介在
させたスラストベアリング３４と、上記摺動カム板２９
の前面とケース２６の折曲げ縁内面との間に介在させた
戻しコイルスプリング３５と、上記摺動カム板２９にね
じ込まれた先端をケース２６の開口２６ａから突出させ
てピストン２２底部内面に当接させた推力伝達兼摩擦パ
ッドの作動間隙調節用ボルト３６とを有する。The cam mechanism 25 includes a storage case 26 and a rotary cam plate 28 having a long hollow shaft portion 27 provided inside the case.
and a sliding cam plate 29 facing the cam plate 28, and plate-shaped recesses 30 and 31 formed at equal intervals on the circumference on the opposing surfaces of both plates 28 and 29 (only one of each is shown in the figure). A thrust ball 32 held between the two, a thrust bearing 34 interposed between the back surface of the rotary cam plate 28 and the annular case bottom plate 33 fitted to the shaft portion 27, and the sliding cam plate 29.
The return coil spring 35 interposed between the front surface of the case 26 and the inner surface of the bent edge of the case 26, and the tip screwed into the sliding cam plate 29 protrude from the opening 26a of the case 26 and come into contact with the inner surface of the bottom of the piston 22. It has a bolt 36 for adjusting the operating gap of the thrust transmission/friction pad that is in contact with it.
上記摺動カム板２９はその周縁の一部にケース２６の側
面の切欠き部２６ｂから突き出る突出部３７を有し、上
記ユニットのケース２６をガイド筒２４に嵌めたとき突
出部３７をガイド筒内面に形成した凹部３８と嵌合させ
て摺動カム板２９の回転を制止するようになっている。The sliding cam plate 29 has a protrusion 37 protruding from the notch 26b on the side surface of the case 26 on a part of its periphery. The rotation of the sliding cam plate 29 is stopped by fitting into a recess 38 formed on the inner surface.
上記回動カム板２８の軸部２７はキャリパ基部１４の貫
通孔３９内に回転可能に嵌合され、先端部４０は基部１
４からホイール２内側の空間Ｓ□外に突出する。The shaft portion 27 of the rotary cam plate 28 is rotatably fitted into the through hole 39 of the caliper base 14, and the tip portion 40 is connected to the base 1.
4 to the outside of the space S□ inside the wheel 2.
その先端部４０にブレーキ作動レバー４１の基部が角嵌
合（またはスプライン嵌合）され、ワッシャ４３、ナツ
ト回り止め４２を介してナツト４４をねじ込み、作動レ
バー４１を先端部４０に対して固定している。The base of the brake operating lever 41 is square-fitted (or spline-fitted) to the tip 40, and a nut 44 is screwed in through the washer 43 and the nut rotation stopper 42 to fix the actuation lever 41 to the tip 40. ing.
上記作動レバー４１は軸部２７からホイール２の半径方
向外方へ長く延出し、その先端はホイール２の外周位置
に達している。The operating lever 41 extends long from the shaft portion 27 toward the outside in the radial direction of the wheel 2, and its tip reaches the outer circumferential position of the wheel 2.
上記回動カム板２８の軸部２７の端部から摩擦パッドの
摩耗に伴い、その作動間隙を調節するつまみ４６の軸部
４７が挿入され、その角軸部４８を上記ボルト３６のす
り割４９に嵌合させである。As the friction pad wears out, the shaft portion 47 of a knob 46 that adjusts the operating gap is inserted into the end of the shaft portion 27 of the rotary cam plate 28, and the square shaft portion 48 is inserted into the slot 49 of the bolt 36. It is mated to.
そのつまみ４６の頂面とキャリパキャップ５０との間に
抜止め用のコイルスプリング５１が介在する。A coil spring 51 for preventing removal is interposed between the top surface of the knob 46 and the caliper cap 50.
上記キャリパキャップ５０は例えばプラスチックで形成
され、その口縁内面に等間隔に形成された複数個の突起
部５０ａをキャッパ基部１４の外周面に形成した凹部５
２または貫通孔５３に嵌合させて位置決め固定されてい
る。The caliper cap 50 is made of plastic, for example, and has a recess 5 formed on the outer peripheral surface of the capper base 14 with a plurality of protrusions 50a formed at equal intervals on the inner surface of the mouth edge.
2 or the through hole 53 to be positioned and fixed.
またキャリパキャップ５０には、作動レバー４１を遊嵌
させて同レバー４１の回動を許容するための長孔５４が
穿設され、さらにその長孔５４が底面に開口される環状
溝５０ｂがキャップ５０外周面にその周方向に沿って凹
設される。Further, the caliper cap 50 is provided with a long hole 54 into which the operating lever 41 is loosely fitted to allow rotation of the lever 41, and an annular groove 50b in which the long hole 54 is opened at the bottom of the cap. 50 is recessed in the outer peripheral surface along the circumferential direction.
長孔５４と作動レバー４１との間の隙間は、次に詳述す
るシール材５５により外部より密封される。The gap between the elongated hole 54 and the actuation lever 41 is sealed from the outside with a sealing material 55, which will be described in detail next.
シール材５５はゴム製で、前記環状１５０ｂに弾力的に
嵌着され、作動レバー４１が遊挿される透孔５５ｃを穿
設した帯状の環状取付部５５ａと、その取付部５５ａの
透孔５５ｃの周辺部に一体的に連設され、自由端が作動
レバー４１の中間部に嵌着されて透孔５５ｃ内を外部よ
り遮蔽するブーツ部５５ｂとより構成されている。The sealing material 55 is made of rubber, and is elastically fitted to the annular shape 150b, and includes a belt-shaped annular attachment portion 55a having a through hole 55c into which the operating lever 41 is loosely inserted, and a through hole 55c of the attachment portion 55a. It is composed of a boot portion 55b which is integrally connected to the peripheral portion and whose free end is fitted into the middle portion of the operating lever 41 to shield the inside of the through hole 55c from the outside.
上記作動レバー４１の先端にブレーキ操作ワイヤ５６が
取付けられ、そのシース部材５７と作動レバー４１との
間に戻しコイルスプリング５８が介在する。A brake operating wire 56 is attached to the tip of the operating lever 41, and a return coil spring 58 is interposed between the sheath member 57 and the operating lever 41.
そのシース部材５７はキャリパ基部１４の突出部５９に
固定されている。The sheath member 57 is fixed to a protrusion 59 of the caliper base 14.
６０はコイルスプリング５８の保護用ブーツ、６１はブ
ラケットを車体フレームに取付けるためのボルト挿通孔
である。60 is a protective boot for the coil spring 58, and 61 is a bolt insertion hole for attaching the bracket to the vehicle body frame.
次に上記ブレーキ装置の作用を説明すると、操作ワイヤ
５６をコイルスプリング５８に抗して牽引し、作動レバ
ー４１を介して回動カム板２８を回動させると、相対向
する皿状凹部３０，３１の位相がずれて、スラストボー
ル３２はそれ等凹部の斜面を登りながら戻しコイルスプ
リング３５に抗して摺動カム板２９を第１図左方へ摺動
させる。Next, to explain the operation of the brake device, when the operating wire 56 is pulled against the coil spring 58 and the rotating cam plate 28 is rotated via the operating lever 41, the opposing dish-shaped recesses 30, 31 is out of phase, the thrust balls 32 climb the slopes of the recesses and slide the sliding cam plate 29 to the left in FIG. 1 against the return coil spring 35.
その摺動はボルト３６を介してピストン２２に伝達され
るので可動摩擦パッド１７がブレーキディスク６の右側
面に圧接する。Since the sliding motion is transmitted to the piston 22 via the bolt 36, the movable friction pad 17 comes into pressure contact with the right side surface of the brake disc 6.
そしてその圧接に伴う反力によりキャリパ本体８がスリ
ーブ１１にそって第１，５図右方へ摺動し、固定摩擦パ
ッド１６をブレーキディスク６の左側面に圧接し、かく
して両摩擦パッド１６．１７は均等な圧力をもってブレ
ーキディスク６を挾圧し、その回転を制止する。The caliper body 8 slides along the sleeve 11 to the right in FIGS. 1 and 5 due to the reaction force caused by the pressure contact, and presses the fixed friction pad 16 against the left side surface of the brake disc 6. 17 clamps the brake disc 6 with uniform pressure to stop its rotation.
以上の実施例において、キャリパ本体８およびキャリパ
キャップ５０は本考案の装置本体を、またカム機構２５
は本考案の押圧機構をそれぞれ構成している。In the above embodiment, the caliper main body 8 and the caliper cap 50 are the device main body of the present invention, and the cam mechanism 25 is
constitute the pressing mechanism of the present invention.
以上のように本考案によれば、筒状の装置本体の内部に
、摩擦パッドをブレーキディスクに押圧するための押圧
機構を配設し、この押圧機構に連結されて該押圧機構を
作動させるための作動レバーを、前記装置本体の外周面
に開口した長孔を通して該装置本体外へ突出させ、前記
作動レバーと装置本体間には、該作動レバーと前記長孔
との間隙を外部より密封するシール材を設けたものにお
いて、前記装置本体の外周面には、前記長孔が底面に開
口する環状溝が凹設かれ、前記シール材は、前記作動レ
バーが遊嵌する透孔を有し前記環状溝に嵌着された環状
取付部と、前記作動レバーに自由端が嵌着され前記透孔
内を外部より遮蔽するブーツ部とを一体に形成して構成
されるので、シール材取付部としての上記環状取付部は
、これを前記環状溝に単に嵌着させるだけで、装置本体
に対してその半径方向にもまた軸方向にもきわめて強固
に固定することができ、作動レバーの回動に伴い該環状
取付部にブーツ部を介して強い引張力が作用してもそれ
が不用意に動いたり脱落したりするようなことがなく、
従ってその環状取付部と装置本体の長孔内周縁部との間
から粉塵や泥水が装置本体内に侵入するのを確実に阻止
することができ、シール材本来のシール機能を長期に亘
り有効に維持することができる。As described above, according to the present invention, a pressing mechanism for pressing a friction pad against a brake disc is disposed inside a cylindrical device main body, and the pressing mechanism is connected to the pressing mechanism to operate the pressing mechanism. An actuation lever is made to protrude outside the device main body through a long hole opened in the outer peripheral surface of the device main body, and a gap between the actuation lever and the device main body is sealed from the outside. In the apparatus provided with a sealing material, an annular groove in which the elongated hole opens at the bottom is formed in the outer peripheral surface of the device main body, and the sealing material has a through hole into which the operating lever loosely fits. Since it is constructed by integrally forming an annular mounting part fitted into an annular groove and a boot part whose free end is fitted into the operating lever and shields the inside of the through hole from the outside, it can be used as a sealing material mounting part. By simply fitting the annular mounting portion into the annular groove, the annular mounting portion can be extremely firmly fixed to the main body of the device in both the radial and axial directions, and is not affected by the rotation of the operating lever. Accordingly, even if a strong tensile force is applied to the annular attachment part through the boot part, it will not move or fall off inadvertently.
Therefore, it is possible to reliably prevent dust and muddy water from entering the device body between the annular mounting portion and the inner peripheral edge of the long hole in the device body, and the original sealing function of the seal material can be effectively maintained for a long time. can be maintained.
しかも前記環状取付部は、装置本体外周面の環状溝に嵌
着されるものであって、前記長孔の内周縁部に嵌着され
るものではないから、該環状取付部の特設によるも前記
長孔の有効開口面積が何等狭められるようなことがなく
、従ってその長孔の形成に伴う装置本体の剛性低下を少
なくすることができるものである。Moreover, the annular attachment portion is fitted into an annular groove on the outer peripheral surface of the device main body, and is not fitted into the inner peripheral edge of the elongated hole. The effective opening area of the elongated hole is not narrowed in any way, and therefore, the decrease in rigidity of the main body of the device due to the formation of the elongated hole can be reduced.
第１図は本考案の一実施例を適用したディスクブレーキ
装置の縦断正面図、第２図は第１図矢示Ａ方向からみた
部分側面図、第３図は第１図矢示Ｂ方向からみた部分側
面図、第４図はキャリパ本体の部分横断平面図、第５図
は第２図Ｖ−Ｖ線断面図、第６図は本考案の一実施例の
斜視図である。
１・・・・・・車輪、６・・・・・・ブレーキディスク
、８，５０・・・・・・装置本体としてのキャリパ本体
、キャリパキャップ、１６，１７・・・・・・摩擦パッ
ド、２５・・・・・・押圧機構としてのカム機構、４１
・・・・・・作動レバー、５４・・・・・・長孔、５５
・・・・・・シール材、５５ａ・・・・・・環状取付部
、５５ｂ・・・・・・ブーツ部、５５ｃ・・・・・・透
孔。Fig. 1 is a longitudinal sectional front view of a disc brake device to which an embodiment of the present invention is applied, Fig. 2 is a partial side view seen from the direction of arrow A in Fig. 1, and Fig. 3 is a partial side view taken from the direction of arrow B in Fig. 1. 4 is a partial cross-sectional plan view of the caliper body, FIG. 5 is a sectional view taken along the line V--V in FIG. 2, and FIG. 6 is a perspective view of an embodiment of the present invention. 1...Wheel, 6...Brake disc, 8, 50...Caliper body as the main body of the device, caliper cap, 16, 17...Friction pad, 25...Cam mechanism as a pressing mechanism, 41
......Operating lever, 54...Elongated hole, 55
... Seal material, 55a ... Annular attachment part, 55b ... Boot part, 55c ... Through hole.
Claims (1)
クに押圧するための押圧機構を配設し、この押圧機構に
連結されて該押圧機構を作動させるための作動レバーを
、前記装置本体の外周面に開口した長孔を通して該装置
本体外へ突出させ、前記作動レバーと装置本体間には、
該作動レバーと前記長孔との間隙を外部より密封するシ
ール材を設けたものにおいて、前記装置本体の外周面に
は、前記長孔が底面に開口する環状溝が凹設され、前記
シール材は、前記作動レバーが遊嵌する透孔を有し前記
環状溝に嵌着された環状取付部と、前記作動レバーに自
由端が嵌着され前記透孔内を外部より遮蔽するブーツ部
とを一体に形成して構成されることを特徴とする、車両
用ディスクブレーキ装置におけるシール装置。A pressing mechanism for pressing the friction pad against the brake disc is disposed inside the cylindrical device main body, and an operating lever connected to this pressing mechanism to operate the pressing mechanism is installed on the outer periphery of the device main body. Projecting out of the device main body through a long hole opened in the surface, between the operating lever and the device main body,
A sealing material for sealing the gap between the operating lever and the elongated hole from the outside is provided, in which an annular groove in which the elongated hole opens at the bottom is recessed in the outer peripheral surface of the device body, and the sealing material The annular mounting part has a through hole into which the actuation lever loosely fits and is fitted into the annular groove, and a boot part whose free end is fitted into the actuation lever and shields the inside of the through hole from the outside. A sealing device for a vehicle disc brake device, characterized in that it is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979028280U JPS602032Y2 (en) | 1979-03-06 | 1979-03-06 | Seal device for vehicle disc brakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1979028280U JPS602032Y2 (en) | 1979-03-06 | 1979-03-06 | Seal device for vehicle disc brakes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55127657U JPS55127657U (en) | 1980-09-09 |
| JPS602032Y2 true JPS602032Y2 (en) | 1985-01-21 |
Family
ID=28873955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1979028280U Expired JPS602032Y2 (en) | 1979-03-06 | 1979-03-06 | Seal device for vehicle disc brakes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS602032Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828215U (en) * | 1971-08-06 | 1973-04-06 | ||
| JPS5070765A (en) * | 1973-08-03 | 1975-06-12 | ||
| JPS536912U (en) * | 1976-07-05 | 1978-01-21 |
-
1979
- 1979-03-06 JP JP1979028280U patent/JPS602032Y2/en not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4828215U (en) * | 1971-08-06 | 1973-04-06 | ||
| JPS5070765A (en) * | 1973-08-03 | 1975-06-12 | ||
| JPS536912U (en) * | 1976-07-05 | 1978-01-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55127657U (en) | 1980-09-09 |
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