JPH0366920A - Universal joint - Google Patents
Universal jointInfo
- Publication number
- JPH0366920A JPH0366920A JP20363789A JP20363789A JPH0366920A JP H0366920 A JPH0366920 A JP H0366920A JP 20363789 A JP20363789 A JP 20363789A JP 20363789 A JP20363789 A JP 20363789A JP H0366920 A JPH0366920 A JP H0366920A
- Authority
- JP
- Japan
- Prior art keywords
- joint member
- intermediate joint
- yokes
- spherical
- cover
- 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
- 230000002452 interceptive effect Effects 0.000 abstract description 2
- 230000003449 preventive effect Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明はユニバーサルジヨイント、特に浮体などを桟
橋、岸壁などに係留する係留装置に使用するのに適した
ユニバーサルジヨイントに関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a universal joint, and particularly to a universal joint suitable for use in a mooring device for mooring a floating body or the like to a pier, a quay, or the like.
この明細書において、第1図の左右を、左右というもの
とする。In this specification, the left and right sides of FIG. 1 are referred to as left and right.
従来の技術
この種ユニバーサルジヨイントとして、実公昭57−2
0898号公報に開示されたものが知られている。この
ユニバーサルジヨイントは、第6図に示すように、同一
軸線上に位置する1対のトラニオン(41) (42)
を有する左右1対のヨーク(43)(44)と、トラニ
オン(41)(42)を受ける軸受(45)が直交する
直径線上に配置せられている環状中間継手部材(46)
と、端部の取付はフランジ(47) (4g)と中間継
手部材(4B)との間において各ヨーク(43) (4
4)に設けられかつ球状外面(49a) (50a)を
備えた環状突出部(49) (50)と、中間継手部材
(4B〉の両側縁部にそれぞれ内縁部(51)(52〉
が固定されかつ環状突出部(49) (50)の球状外
面(49a) (50a)に摺接する球状内面(53a
) (54a)を備えた一対の環状側部カバー(53)
(54)と、各側部カバー(5() (54)の外縁
部(55) (5B)に設けられて環状突出部(49)
(50)の球状外面(49a) (50a)に密接す
る環状シール部材(57) (58)と、中間継手部材
(4B〉にあけられた軸受挿入孔(59)を塞ぐととも
にワッシャ(BO〉を介してトラニオン(41) (4
2)の端面に接しかつ孔周縁に設けられた段部(61)
に、止めねじ(62)で固定せられている軸受押さえ蓋
(63〉とよりなり、各側部カバー(53〉(54)は
、2分割された一対のカバー半体(53A) (53B
) (54A) (54B)が、各両端に設けられた連
結壁(64) (85)を相互に重ね合わせてボルト・
ナツト〈6B〉により連結されたものである。Conventional technologyAs this kind of universal joint,
One disclosed in Japanese Patent No. 0898 is known. As shown in Figure 6, this universal joint consists of a pair of trunnions (41) (42) located on the same axis.
an annular intermediate joint member (46) in which a pair of left and right yokes (43) (44) having a diameter and a bearing (45) for receiving a trunnion (41) (42) are arranged on a diametrical line orthogonal to each other;
and the ends are attached between each yoke (43) (4g) and the intermediate joint member (4B).
4) and provided with spherical outer surfaces (49a, 50a), and inner edges (51, 52) on both side edges of the intermediate joint member (4B), respectively.
is fixed and is in sliding contact with the spherical outer surfaces (49a) (50a) of the annular protrusions (49) (50).
) (54a) a pair of annular side covers (53);
(54) and an annular protrusion (49) provided on the outer edge (55) (5B) of each side cover (5()) (54).
The annular seal members (57) (58) that are in close contact with the spherical outer surfaces (49a) (50a) of (50) and the bearing insertion hole (59) drilled in the intermediate joint member (4B>) and the washer (BO>) are closed. Through the trunnion (41) (4
2) A stepped portion (61) that is in contact with the end surface and provided on the periphery of the hole.
and a bearing retainer cover (63) fixed with a set screw (62), and each side cover (53) (54) is divided into a pair of cover halves (53A) (53B).
) (54A) (54B) are bolted by overlapping the connecting walls (64) and (85) provided at each end.
They are connected by nuts <6B>.
発明が解決しようとする課題
しかしながら、従来のユニバーサルジヨイントの場合、
一方のヨーク(43)のトラニオン(41)と、他方の
ヨーク(44)のトラニオン(42)とが干渉しないよ
うにするために、第6図に示すように、各ヨーク(43
) (44)におけるトラニオン(41)(42)どう
しの間に凹み(B7〉を形成する必要があり、ユニバー
サルジヨイントに引張り力が加わった場合、この引張り
力に対する強度が十分ではないという問題がある。Problems to be solved by the invention However, in the case of conventional universal joints,
In order to prevent the trunnion (41) of one yoke (43) from interfering with the trunnion (42) of the other yoke (44), as shown in FIG.
) It is necessary to form a recess (B7) between the trunnions (41) and (42) in (44), and when a tensile force is applied to the universal joint, there is a problem that the strength is not sufficient to withstand this tensile force. be.
また、従来のユニバーサルジヨイントの場合、中間継手
部材(4B〉に対する各ヨーク(48) (44)の回
動角度を大きくとることができないという問題がある。Further, in the case of the conventional universal joint, there is a problem in that the rotation angle of each yoke (48) (44) with respect to the intermediate joint member (4B) cannot be made large.
この発明の目的は、上記問題を解決したユニバーサルジ
ヨイントを提供することにある。An object of the present invention is to provide a universal joint that solves the above problems.
課題を解決するための手段
この発明によるユニバーサルジヨイントは、筒状中間継
手部材と、
互いに中間継手部材の軸線方向に所定間隔をおいて直角
をなす2つの直径線上で中間継手部材に支持されている
トラニオンを有するとともに、中間継手部材に対してト
ラニオンの軸線周りに回動自在となされた左右1対のヨ
ークと、中間継手部材に被せ止められかつ中間継手部材
の軸線方向に所定間隔をおいて2つの球状外面を有する
環状中央カバーと、
各ヨークに固定されかつ環状中央カバーの各球状外面に
摺接する球状内面を有している左右1対の側部カバーと
を備えているものである。Means for Solving the Problems A universal joint according to the present invention comprises: a cylindrical intermediate joint member; and two diametric lines that are perpendicular to each other at a predetermined distance in the axial direction of the intermediate joint member and are supported by the intermediate joint member. a pair of left and right yokes that are rotatable around the axis of the trunnion with respect to the intermediate joint member; The annular center cover has two spherical outer surfaces, and a pair of left and right side covers are fixed to each yoke and have spherical inner surfaces that slide on the respective spherical outer surfaces of the annular center cover.
作 用
左右1対のヨークが、互いに中間継手部材の軸線方向に
所定間隔をおいて直角をなす2つの直径線上で中間継手
部材に支持されているトラニオンを有するとともに、中
間継手部材に対してトラニオンの軸線周りに回動自在と
なされているので、両ヨークのトラニオンが干渉するこ
とはなく、干渉を防止するための従来のような凹みを形
成する必要はない。また、中間継手部材に被せ止められ
ている環状中央カバーが中間継手部材の軸線方向に所定
間隔をおいて2つの球状外面を有しており、各ヨークに
固定されている左右1対の側部カバーが環状中央カバー
の各球状外面に摺接する球状内面を有しているので、中
央カバーに対する各側部カバーの回動角度を、従来のも
のよりも大きくすることができる。The pair of left and right yokes have trunnions that are supported by the intermediate joint member on two diameter lines that are perpendicular to each other at a predetermined interval in the axial direction of the intermediate joint member. Since the trunnions of both yokes do not interfere with each other, there is no need to form a recess as in the conventional case to prevent interference. Further, the annular central cover fitted over the intermediate joint member has two spherical outer surfaces spaced apart at a predetermined distance in the axial direction of the intermediate joint member, and a pair of left and right side surfaces are fixed to each yoke. Since the cover has a spherical inner surface that slides on each spherical outer surface of the annular center cover, the rotation angle of each side cover with respect to the center cover can be made larger than in the conventional case.
実 施 例 以下、図面を参照してこの発明の1実施例を説明する。Example Hereinafter, one embodiment of the present invention will be described with reference to the drawings.
第1図〜第3図はこの発明によるユニバーサルジヨイン
トを示す。ユニバーサルジヨイントは、筒状中間継手部
材(1)と、互いに中間継手部材(1)の軸線方向に所
定間隔をおいて直角をなす2つの直径線上で中間継手部
材(1)に支持されているトラニオン(2) (3)を
有するとともに、中間継手部材(1)に対してトラニオ
ン(2) (3)の軸線周りに回動自在となされた左右
1対のヨーク(4) (5)とを備えている。両ヨーク
(4) (5)の基端部(4d) (5d)は、それぞ
れ中間継手部材(1)の左右両端部よりも外方に突出し
ている。1 to 3 show a universal joint according to the invention. The universal joint is supported by the cylindrical intermediate joint member (1) on two diameter lines that are perpendicular to each other at a predetermined interval in the axial direction of the intermediate joint member (1). It has a trunnion (2) (3) and a pair of left and right yokes (4) (5) which are rotatable around the axis of the trunnion (2) (3) with respect to the intermediate joint member (1). We are prepared. The base end portions (4d) and (5d) of both yokes (4) and (5) protrude outward from both left and right end portions of the intermediate joint member (1), respectively.
中間継手部材(1)の内周面の左右両端部には、ヨーク
(4)(5,)が回動するさいの逃げ(6)が形成され
ている。中間継手部材(1〉の外周面には、中間継手部
材(1)の軸線方向に所定間隔をおいて2つの球状外面
(7a) (7b)を有する環状中央力/(−(7)が
被せ止められている。中央カバー(7)は、中間継手部
材(1)に止めねじ〈8〉で固定された左右2つのカバ
ー構成部材(9) (10)により構成されており、各
カバー構成部材(9) (10)が球状外面(7a)
(7b)を備えている。球状外面(7a) (7b)は
、中間継手部材(1〉の軸線と、トラニオン(2) (
3)の軸線の延長線との交点を中心とするものである。Recesses (6) are formed at both left and right ends of the inner circumferential surface of the intermediate joint member (1) when the yokes (4, 5,) rotate. An annular central force /(-(7)) having two spherical outer surfaces (7a) (7b) spaced apart at a predetermined interval in the axial direction of the intermediate joint member (1) is placed on the outer peripheral surface of the intermediate joint member (1>). The central cover (7) is composed of two left and right cover components (9) and (10) fixed to the intermediate joint member (1) with setscrews <8>, and each cover component (9) (10) is a spherical outer surface (7a)
(7b). The spherical outer surfaces (7a) (7b) are connected to the axis of the intermediate joint member (1) and the trunnion (2) (
3) is centered at the intersection with the extension line of the axis.
中間継手部材(1)の左端部と左側のカバー構成部材(
9)との間、および中間継手部材(1)の右端部と右側
のカバー構成部材(10)との間は、それぞれOリング
(11)によってシールされている。Oリング(11)
は、中間継手部材(1)の外周面に全周にわたって形成
された環状溝内に嵌め入れられている。The left end of the intermediate joint member (1) and the left cover component (
9) and between the right end of the intermediate joint member (1) and the right cover component (10) are each sealed with an O-ring (11). O-ring (11)
is fitted into an annular groove formed all around the outer peripheral surface of the intermediate joint member (1).
各ヨーク(4)(5)の中間継手部材(1)内に挿入さ
れた被挿入部分(4a) (5a)の先端部に貫通穴(
12)が形成されており、軸(14) (15)が、被
挿入部分(4a) (5a)に対して回転自在となるよ
うに貫通穴(12)に軸受ブシュ(1B)を介して通さ
れている。A through hole (
12) is formed, and the shafts (14) and (15) are passed through the through hole (12) via the bearing bushing (1B) so as to be rotatable relative to the inserted parts (4a) and (5a). has been done.
被挿入部分(4a)(5a)における貫通穴(12)の
両端開口の周囲部分に止めねじ(17)で固定された環
状押さえ部材(18)によって軸受ブシュ(16)の抜
は止めがなされている。中間継手部材(1)の周壁にお
ける軸線方向に所定間隔をおきかつ互いに直角をなす2
つの直径線上に、それぞれ2つの貫通穴(19) (2
0)が形成されており、貫通穴(19) (20)に軸
(14)(15)の両端部が密に嵌められている。そし
て、各軸(14) (15)における被挿入部分(4a
) (5a)の貫通穴〈12〉から径方向外方に突出し
た部分がトラニオン<2) (3)となされている。The bearing bushing (16) is prevented from being removed by an annular holding member (18) fixed to the peripheral portions of the openings at both ends of the through holes (12) in the inserted portions (4a) and (5a) with setscrews (17). There is. 2 at a predetermined interval in the axial direction on the peripheral wall of the intermediate joint member (1) and at right angles to each other.
Two through holes (19) (2
0) are formed, and both ends of the shafts (14) and (15) are tightly fitted into the through holes (19) and (20). Then, the inserted portion (4a) of each shaft (14) (15)
) The portion projecting radially outward from the through hole <12> of (5a) is a trunnion <2) (3).
左右側ヨーク(4)(5)における基端部(4d) (
5d)に形成されたフランジ(4b) (5b)と、中
間継手部材(L)との間の部分には、それぞれカラー(
4c) (5C)が一体的に形成されている。フランジ
(4b) (5b)およびカラー(4c) (5c)の
外径は、カバー構成部材(9)(10)の内径よりも小
さくなっている。The base end portions (4d) of the left and right yokes (4) and (5) (
A collar (4b) (5d) is provided between the flange (4b) (5b) formed on the intermediate joint member (L) and the intermediate joint member (L).
4c) (5C) is integrally formed. The outer diameters of the flanges (4b) (5b) and collars (4c) (5c) are smaller than the inner diameters of the cover components (9) (10).
各ヨーク(4) (5)には、環状中央カバー(7)の
各球状外面(7a) (7b)に摺接する球状内面(2
1a)(22a)およびカラー(4c) (5c)の周
面に密接する円筒状面(21b) (22b)を備えた
左右1対の側部カバー (21)(22)が固定されて
いる。側部カバー(21)(22)は、カバー(21)
(22)を貫通してカラー(4C)(5c)にねじ嵌
められた止めねじ(23)によってヨーク<4) (5
)に固定されている。各側部カバー(21)(22)の
円筒状面(21b) (22b)に全周にわたって形成
された環状溝内にOリング(24)が嵌められており、
Oリング(24)によって側部カバー(21〉(22)
と中央カバー(7)との間がシールされている。また、
側部カバー(21>(22)の先端部内周面には、全周
にわたって環状溝(25〉が形成されており、環状溝(
25)内に中央カバー〈7)との間をシールするパツキ
ン(26)が嵌め入れられている。Each yoke (4) (5) has a spherical inner surface (2) in sliding contact with each spherical outer surface (7a) (7b) of the annular central cover (7).
A pair of left and right side covers (21) and (22) are fixed, each having cylindrical surfaces (21b) and (22b) in close contact with the circumferential surfaces of the collars 1a) and 22a and the collars 4c and 5c. The side covers (21) (22) are the cover (21)
Yoke <4) (5
) is fixed. An O-ring (24) is fitted into an annular groove formed all around the cylindrical surface (21b) (22b) of each side cover (21) (22),
Side cover (21> (22) by O-ring (24)
and the center cover (7) are sealed. Also,
An annular groove (25) is formed on the inner peripheral surface of the tip of the side cover (21>(22)) over the entire circumference.
A gasket (26) is fitted into the center cover (25) to seal the space between the center cover (7) and the center cover (7).
上記において、ユニバーサルジヨイントは次のようにし
て組み立てられる。すなわち、まずヨーク(4) (5
)の被挿入部分(4a) (5a)に軸受ブシュ(16
)を取付けておき、この被挿入部分(4a) (5a)
を左右両側から中間継手部材(1)内に挿入する。つい
で、中間継手部材(1)の外側から、1つの直径線上に
存在する2つの貫通穴(19) (20)のうちの一方
の貫通穴(19) (20)を通して軸(14)(15
)を挿入し、軸受ブシュ(16)内を通して端部を他方
の貫通穴(19) (20)に挿入する。その後、両力
バー構成部材<9) (10)をヨーク(4) (5)
がその内部を通るように中間継手部材(1)に被せて止
めねじ(8)で固定する。さらに、ヨーク(4)(5)
に側部カバー(21) (22)を止めねじ(23)で
固定する。こうして、ユニバーサルジヨイントが組立て
られる。上記実施例においては、トラニオン(2)(3
)とヨーク(4) (5)とが別部品で形成されている
ので、上記のようにヨーク(4)(5)の被挿入部分(
4a) (5a)を中間継手部材(1)内に挿入した後
に軸(14) (15)を通してトラニオン(2) (
3)を形成することができ、組立て作業が容易になる。In the above, the universal joint is assembled as follows. That is, first, yoke (4) (5
) The bearing bush (16) is inserted into the inserted part (4a) (5a)
) are installed, and this inserted part (4a) (5a)
into the intermediate joint member (1) from both left and right sides. Next, the shafts (14) (15) are inserted from the outside of the intermediate joint member (1) through one of the two through holes (19) (20) existing on one diameter line.
), pass it through the bearing bush (16), and insert the end into the other through hole (19) (20). Then, attach the double force bar component <9) (10) to the yoke (4) (5).
It is placed over the intermediate joint member (1) so that it passes through the inside thereof, and is fixed with a set screw (8). Furthermore, yokes (4) (5)
Secure the side covers (21) (22) to the screws (23). In this way, the universal joint is assembled. In the above embodiment, trunnions (2) (3
) and the yokes (4) and (5) are formed as separate parts, so the inserted portions of the yokes (4) and (5) (
4a) (5a) into the intermediate joint member (1) and then pass the shaft (14) (15) through the trunnion (2) (
3) can be formed, making the assembly work easier.
上記実施例においては、トラニオン(2) (3)はヨ
ーク(4) (5)に対して回転自在であり、トラニオ
ン(2)(3)を受ける軸受は2つだけであるので、従
来のように4つの軸受を用いる場合に比べて構造が簡単
になるとともに組立が容易になる。In the above embodiment, the trunnions (2) and (3) are rotatable relative to the yokes (4 and 5), and there are only two bearings that receive the trunnions (2) and (3). Compared to the case where four bearings are used, the structure is simpler and assembly is easier.
しかしながら、上記構成に変えて、トラニオン(2)
(3)をヨーク(4)(5)に固定するか、あるいはヨ
ーク(4) (5)と一体的に形成し、トラニオン(2
)(3)の端部を軸受を介して中間継手部材(1)で支
持するようにしてもよい。However, instead of the above configuration, the trunnion (2)
(3) is fixed to the yoke (4) (5) or formed integrally with the yoke (4) (5), and the trunnion (2) is formed integrally with the yoke (4) (5).
)(3) may be supported by the intermediate joint member (1) via a bearing.
第4図および第5図は、この発明によるユニバーサルジ
ヨイントが、特公昭56−49787号公報に開示され
ているような係留装置に用いられた場合を示す。4 and 5 show a case where the universal joint according to the present invention is used in a mooring device as disclosed in Japanese Patent Publication No. 56-49787.
この係留装置は、桟橋側(27)を頭部とし、係留物(
28〉側を底辺とする三角形配置とした2本のユニバー
サルジヨイントアッセンブリ〈29〉を含む連結構造物
を2箇所に備え、これにより係留物(28)を係留する
ものである。各ユニバーサルジヨイントアッセンブリ(
29〉は、その軸体部(30)が軸方向に伸縮可能とな
されており、軸体部(30〉の両端にそれぞれこの発明
によるユニバーサルジヨイント(J)が備えられている
。This mooring device has a head on the pier side (27) and a mooring object (
Connecting structures including two universal joint assemblies (29) arranged in a triangular configuration with the base at the 28> side are provided at two locations, and the mooring object (28) is moored therewith. Each universal joint assembly (
29> has a shaft portion (30) that is expandable and retractable in the axial direction, and is provided with universal joints (J) according to the present invention at both ends of the shaft portion (30>).
発明の効果
この発明のユニバーサルジヨイントによれば、上述のよ
うに、両ヨークのトラニオンが干渉することはないので
、干渉を防止するための従来のような凹みを形成する必
要はなく、ユニバーサルジヨイントに加わる引張り力に
対する強度が増大する。また、中央カバーに対する各側
部カバーの回動角度を大きくすることができるので、中
間継手部材に対する各ヨークの回動角度を、従来のもの
よりも大きくすることが可能となる。Effects of the Invention According to the universal joint of this invention, as mentioned above, the trunnions of both yokes do not interfere, so there is no need to form a recess like in the past to prevent interference, and the universal joint The strength against tensile force applied to the point increases. Further, since the rotation angle of each side cover with respect to the center cover can be increased, it is possible to increase the rotation angle of each yoke with respect to the intermediate joint member than in the conventional case.
第1図はこの発明のユニバーサルジヨイントの1実施例
を示す縦断面図、第2図は第1図の■−■線断面図、第
3図は同じく分解斜視図、第4図はこの発明のユニバー
サルジヨイントを係留装置に使用した状態を示す平面図
、第5図は第4図の部分拡大図、第6図は従来例を示す
縦断面図である。
(1)・・・中間継手部材、(2) (3)・・・トラ
ニオン、(4) (5)・・・ヨーク、(7)・・・環
状中央カバー (7a)(7b)−・・球状外面、(2
1) (22) ”’側部カバー (21a) (22
a)・・・球状内面。
以 上Fig. 1 is a longitudinal cross-sectional view showing one embodiment of the universal joint of the present invention, Fig. 2 is a cross-sectional view taken along the line ■-■ of Fig. 1, Fig. 3 is an exploded perspective view of the same, and Fig. 4 is a cross-sectional view of the invention. FIG. 5 is a partially enlarged view of FIG. 4, and FIG. 6 is a longitudinal cross-sectional view of a conventional example. (1)... Intermediate joint member, (2) (3)... Trunnion, (4) (5)... Yoke, (7)... Annular center cover (7a) (7b)... Spherical outer surface, (2
1) (22) ''Side cover (21a) (22
a)... Spherical inner surface. that's all
Claims (1)
をなす2つの直径線上で中間継手部材に支持されている
トラニオンを有するとともに、中間継手部材に対してト
ラニオンの軸線周りに回動自在となされた左右1対のヨ
ークと、中間継手部材に被せ止められかつ中間継手部材
の軸線方向に所定間隔をおいて2つの球状外面を有する
環状中央カバーと、 各ヨークに固定されかつ環状中央カバーの各球状外面に
摺接する球状内面を有している左右1対の側部カバーと
を備えているユニバーサルジョイント。[Scope of Claims] A cylindrical intermediate joint member; a trunnion supported by the intermediate joint member on two diameter lines that are perpendicular to each other at a predetermined interval in the axial direction of the intermediate joint member; a pair of left and right yokes that are rotatable around the axis of the trunnion; and an annular central cover that is fitted over the intermediate joint member and has two spherical outer surfaces spaced apart at a predetermined distance in the axial direction of the intermediate joint member. and a pair of left and right side covers fixed to each yoke and each having a spherical inner surface that slides on each spherical outer surface of the annular central cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20363789A JPH0733851B2 (en) | 1989-08-04 | 1989-08-04 | Universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20363789A JPH0733851B2 (en) | 1989-08-04 | 1989-08-04 | Universal joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0366920A true JPH0366920A (en) | 1991-03-22 |
| JPH0733851B2 JPH0733851B2 (en) | 1995-04-12 |
Family
ID=16477348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20363789A Expired - Lifetime JPH0733851B2 (en) | 1989-08-04 | 1989-08-04 | Universal joint |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0733851B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030025149A (en) * | 2001-09-19 | 2003-03-28 | 윤종경 | The car multi headrest cover |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007015411A (en) * | 2003-12-25 | 2007-01-25 | Nagasaki Prefecture | Floating body connection device |
-
1989
- 1989-08-04 JP JP20363789A patent/JPH0733851B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030025149A (en) * | 2001-09-19 | 2003-03-28 | 윤종경 | The car multi headrest cover |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0733851B2 (en) | 1995-04-12 |
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