JPS5978900A - Head lifting supporter in rail type universal parallel rule - Google Patents

Head lifting supporter in rail type universal parallel rule

Info

Publication number
JPS5978900A
JPS5978900A JP18946582A JP18946582A JPS5978900A JP S5978900 A JPS5978900 A JP S5978900A JP 18946582 A JP18946582 A JP 18946582A JP 18946582 A JP18946582 A JP 18946582A JP S5978900 A JPS5978900 A JP S5978900A
Authority
JP
Japan
Prior art keywords
head
displacement body
spring
displacement
guide mechanism
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
Application number
JP18946582A
Other languages
Japanese (ja)
Other versions
JPH0439B2 (en
Inventor
渡辺 好徳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mutoh Industries Ltd
Original Assignee
Mutoh Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mutoh Industries Ltd filed Critical Mutoh Industries Ltd
Priority to JP18946582A priority Critical patent/JPS5978900A/en
Publication of JPS5978900A publication Critical patent/JPS5978900A/en
Publication of JPH0439B2 publication Critical patent/JPH0439B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drawing Aids And Blackboards (AREA)
  • Supports For Plants (AREA)
  • Paper (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 本発明はレールタイプ自在平行定規に・おけるヘッド昇
降支持装置に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a head lifting and lowering support device for a rail type universal parallel ruler.

此種の装置としては、特公昭51−39128号公報に
示す如く、Yカーソルとヘッドとの連結部に、該ヘッド
の最下面が図板面に対接する位置と、該ヘッドの最厚上
位置との中間位置を境いとしてヘッド保持力を変化せし
める手段を設け、」−記ヘッドが前記中間位置の上方に
あるときは完全にヘッド最下面を浮上位置に保持し得る
ように成し、ヘッドが前記中間位置の下方にあるときは
、ヘッドの最下面をその自重により図板面に密着させる
ように構成したものが公知である、上記構成の場合、ヘ
ッドを上昇位置に保持した状態で、ヘッドに下方向の外
部応力を不用意にかけると、ヘッドが落下し、該ヘッド
が図板面に衝突してしまうという欠陥が存した。また、
此種の装置として、ヘッドを上昇位置に係止させる構成
のものが存するが、この装置の場合、ヘッドが上昇位置
に係止された状態でヘッドに乍向きの荷重がかがると、
二の荷重を逃げることができないので、ヘッドを支えろ
昇降リンクが破壊されろ恐れが存した。
As shown in Japanese Patent Publication No. 51-39128, this type of device has a position where the bottom surface of the head is in contact with the drawing surface, and a position where the head is at its thickest point, at the connection part between the Y cursor and the head. means for changing the head holding force with respect to an intermediate position between the head and the head; It is known that when the head is below the intermediate position, the lowermost surface of the head is brought into close contact with the drawing surface by its own weight.In the case of the above structure, when the head is held in the raised position, There is a problem in that if a downward external stress is carelessly applied to the head, the head will fall and the head will collide with the surface of the drawing board. Also,
There is a device of this type that is configured to lock the head in the raised position, but in the case of this device, if a load is applied to the head in the opposite direction while the head is locked in the raised position,
Since it was impossible to escape the second load, there was a fear that the elevating link supporting the head would be destroyed.

本発明は上記欠陥を除去することを目的とするものであ
る。
The present invention aims to eliminate the above-mentioned defects.

以下に本発明の構成を添付図面に示す実施例に基いて詳
細に説明する。
The configuration of the present invention will be described in detail below based on embodiments shown in the accompanying drawings.

(2)は図版であり、床面に対して水平な状態と略60
度に起立した状態との間で任意の角度に設定し得るよう
に公知の製図台に支持されている。
(2) is an illustration, and it is approximately 60cm horizontal to the floor.
It is supported on a known drafting table so that it can be set at any angle between the upright position and the upright position.

図板上縁部にはXレール(4)が固定され、該Xレール
(4)にはYレール(6)が直角関係を存して、移動自
在に取付けられている。(8)はYレール(6)にコロ
を介して移動自在に取付けられたYカーソルであり、こ
れにヘッド昇降支持装置(10)を介して、ヘッド(1
2)が図板(2)面に対して略平行を保持した状態で昇
降自在に取付けられている。前記ヘッド(12)の定規
取付板(14)には水平定規(16)と垂直定規(18
)が取付けられている。
An X rail (4) is fixed to the upper edge of the drawing board, and a Y rail (6) is movably attached to the X rail (4) in a right-angled relationship. (8) is a Y cursor movably attached to the Y rail (6) via rollers, and the head (1
2) is mounted so that it can be raised and lowered while being held approximately parallel to the surface of the drawing board (2). The ruler mounting plate (14) of the head (12) has a horizontal ruler (16) and a vertical ruler (18).
) is installed.

次に、上記ヘッド昇降支持装置(10)の構造を第2図
及び第4図を参照して説明する。(20)(22)はリ
ングであり、これらに軸受部材(24、)(26)(2
8)(30)が固定され、該軸受部材の各々に軸体(3
2)  (34)の各ピボッ]〜状の両端が回転自在に
嵌合している。前記軸体(32)は支持体(36)に固
定されている。前記支持体(36)はYカーソル(8)
に着脱可能にねじによって固定されたL型の取付板(3
8)に固定されている。前記軸体(34)の両端部はヘ
ッド支持板(40)の両側板部(40a)に透設した孔
に回転自在に嵌合している。(42)はカバーであり、
これに一体的に形成された一対の突起(42a)  (
42b)は、ねじ杆(44)(46)によって前記リン
ク(20)(22)に回転自在に結合している。前記カ
バー(42)の上板部には管部が形成され、該管部に回
転体(48)が回転自在に嵌合している。前記回ip7
体(48)の上部には、レバーから成る変位体手動操作
部材(50)が固定され、下部には急勾配のカム面が形
成された円筒カムから成る変位体(52)が固定されて
いる。(54)は前記軸体(32)に回転自在に巻首さ
れたコイルスプリングから成るばねであり、これの一端
は、わじ(55)によって支持体(3G)に固定されて
いる。ばわ(5・1)の他端は、前記変位体(52)に
形成されたカム溝(53)に摺動自在に嵌挿されている
。前記力3− ム溝(53)には、傾斜部(54a)と上位水平部(5
4b)と、下位水平部(54c)が形成されている。(
56)はリンクであり、これの一端は前記支持体(36
)の突部に回転自在に軸(58)支され、該リンク(5
6)の他端は、上部が前記軸体(34)に回転自在に結
合するリンク(60)の下部に、回転自在に軸(62)
支されている。前記リンク20,22,56.及び60
は昇降案内機構を構成している。(70)はヘッド支持
板(40)に透設された縦穴であり、これの大径部に調
整軸(72)がスライド自在に嵌挿配置され、該調整軸
(72)のねじ部が、縦穴(70)の小径部のねじ部に
螺合している。前記調整軸(72)の下端は前記リンク
(60)の突出部(60a)の上面に当接している。前
記調整軸(72)の鍔部にはドライバー用の溝穴が形成
され、該鍔部はコイノドばね(7”4)によって上方向
に付勢されている。(76)は縦穴(70)に隣設して
透設されたねじ穴に螺合する、前記調整軸(72)の抜
は止め用のキャップねじである。
Next, the structure of the head elevating support device (10) will be explained with reference to FIGS. 2 and 4. (20) and (22) are rings, and these are bearing members (24,), (26), and (2).
8) (30) is fixed, and a shaft body (30) is fixed to each of the bearing members.
2) Both ends of each pivot (34) are rotatably fitted. The shaft (32) is fixed to a support (36). The support (36) is a Y cursor (8)
An L-shaped mounting plate (3
8) is fixed. Both ends of the shaft (34) are rotatably fitted into holes provided in the side plate portions (40a) of the head support plate (40). (42) is a cover,
A pair of protrusions (42a) (
42b) is rotatably connected to the links (20) and (22) by threaded rods (44) and (46). A tube portion is formed in the upper plate portion of the cover (42), and a rotating body (48) is rotatably fitted into the tube portion. Last time ip7
A displacement body manual operation member (50) consisting of a lever is fixed to the upper part of the body (48), and a displacement body (52) consisting of a cylindrical cam with a steeply sloped cam surface is fixed to the lower part. . A spring (54) is a coil spring rotatably wound around the shaft body (32), and one end of this spring is fixed to the support body (3G) by a screw (55). The other ends of the ribs (5, 1) are slidably fitted into cam grooves (53) formed in the displacement body (52). The force 3-m groove (53) has an inclined part (54a) and an upper horizontal part (54).
4b) and a lower horizontal portion (54c) are formed. (
56) is a link, one end of which is connected to the support (36).
) The shaft (58) is rotatably supported on the protrusion of the link (58).
6) The other end of the link (60) is rotatably connected to the shaft (62) at the lower part of the link (60) whose upper part is rotatably connected to the shaft (34).
supported. The links 20, 22, 56. and 60
constitutes a lifting guide mechanism. (70) is a vertical hole transparently provided in the head support plate (40), and an adjustment shaft (72) is slidably inserted into the large diameter portion of the vertical hole, and the threaded portion of the adjustment shaft (72) It is screwed into the threaded portion of the small diameter portion of the vertical hole (70). The lower end of the adjustment shaft (72) is in contact with the upper surface of the protrusion (60a) of the link (60). A slot for a screwdriver is formed in the flange of the adjustment shaft (72), and the flange is biased upward by a small spring (7"4). (76) is inserted into the vertical hole (70). This is a cap screw that is screwed into an adjacent, transparent screw hole to prevent removal of the adjustment shaft (72).

前記ヘッド支持板(40)にはヘッド(12)が4− 支承されている。(80)、(82)はカバー(42)
に突設されたス1−ツバ−であり、該ス1ヘツパー(s
 o)  (a 2)に対応して前記部材(50)には
突起(50a)が禅定されている。部利(50)を第4
図上、反時針回転方向に所定角度揺動すると突起(50
a)がストッパー(82)に当接する。該状態において
、変位体(52)の最小変位点(52b)が前記はね(
54)の他方と当接する。部材(50)を第4図上、時
針回転方向に所定角度揺動すると、突起(50a)がス
トッパー(80)に当接する。該状態において、変位体
(52)の最大変位点(52a)が前記ばね(54)の
他方と当接する。図板(2)を床面に対して水平に設定
した状態、即ち、ヘッド(12)の荷重が図板(2)面
に対して最も大きく荷かる状態において、部材(50)
を突起(50a)がストッパー(80)に当接するまで
回動し、変位体(52)の最大変位点(52a)をばね
(5/I)の直上に位置させると、ばね(54)の弾力
によってリンク(20)(22)が軸体(32)を中心
として、第3図上、反時針回転方向に揺動し、これによ
ってヘッド(12)が図板(2)面から所定間隔浮上す
るようにばね(54)の弾力の強さが設定されている。
The head (12) is supported by the head support plate (40). (80) and (82) are covers (42)
It is a s1-bar protruding from the s1-bump.
o) Corresponding to (a2), a protrusion (50a) is provided on the member (50). Beri (50) as the fourth
In the diagram, when the hour hand rotates by a predetermined angle in the counterclockwise direction, the protrusion (50
a) comes into contact with the stopper (82). In this state, the minimum displacement point (52b) of the displacement body (52) is
54). When the member (50) is swung by a predetermined angle in the direction of rotation of the hour hand in FIG. 4, the protrusion (50a) comes into contact with the stopper (80). In this state, the maximum displacement point (52a) of the displacement body (52) comes into contact with the other spring (54). In a state where the drawing board (2) is set horizontally to the floor surface, that is, in a state where the load of the head (12) is the largest on the drawing board (2) surface, the member (50)
When the projection (50a) is rotated until it comes into contact with the stopper (80) and the maximum displacement point (52a) of the displacement body (52) is located directly above the spring (5/I), the elasticity of the spring (54) is As a result, the links (20) and (22) swing around the shaft body (32) in the counterclockwise direction of rotation of the hour hand in FIG. The strength of the elasticity of the spring (54) is set as follows.

部材(50)を、突起(50a)がス1〜ツバ−(82
)に当接するまで回動し、ばね(54)の直下に変位体
(52)の最小変位点(52b)を位置させると、ばね
54が下向きに最小変位点(52b)を加圧し、リンク
(20)(22)が軸体(32)を中心として第3図上
、時針回転方向に揺動し、ヘッド(12)が図版(2)
面にばね(54)の下向きの弾発力によって密着するよ
うに前記変位体(52)の最小変位点(52b)の高さ
が設定されている。前記部材(50)の回転角度範囲は
本実施例では略45度に設定されている。上記した構成
において、作図中、操作者が部材(50)を、第(4)
図上、時針回転方向・に突起(50a)がストッパー(
80)に係止されるまで回動すること、ヘッド(12)
は、ばね(54)の上向きの弾力によって図板(2)か
ら上昇する。また、部材(50)を第(4)図上、反時
針回転方向に突起(50a)がストッパー(82)に係
止されるまで回動すると、ヘッド(12)ばばね(54
)の下向きの弾力によって図板(2)面に密着する。ヘ
ッド(12)が図板から浮IT、 した状態において、
ヘッド(]2)に下方きの荷重がかかると、この荷重に
よってヘッド(12)ばばね(54)の圧力に抗して下
降する。そしてこの荷重を解除すれば、ヘッド(12)
は上昇する、次に、他の実施例を第(5)図及び第(6
)図を参照して説明する。(90)はカバー(42)に
固定さ汎たソ1ツメイドから成る変位体であり、公知の
摺電装置及びスイッチを介してコードにより、電源に接
読している。前記スイッチ(92)は戸、ラド(12)
のハンドル(12a)に配設さ711.ている。変位体
(9o)の駆動軸(90a)の孔にばばわ(54)の他
端が嵌挿している。前記スイッチ(92)は変位体手動
操作部材を構成している。他の構造は、第(3)図に示
す実施例と同一の構造である。図板(2)が床面に対し
て水平に設定された状態において、スイッチ(92)を
ON側に倒して変位体(9o)を通電すると、駆動軸(
90a)の先端が下方に突出する1、二のときの駆動軸
(90a)の先端部(907− 1))のカバー(42)に対する突出量は、上記実施例
における変位体(52)の最大変位点(52a)のカバ
ー(42)に対する突出量と同一に設定されている。駆
動軸(90a)が突出すると該駆動軸(90a)にがか
るばね(54)の弾力によってカバー(42)は軸体(
32)を中心として第(5)図上、反時針回転方向に揺
動し、ヘッド(12)が図板(2)面から所定間隔浮上
する。
The member (50) is connected to the protrusion (50a) from the base 1 to the collar (82).
) until it comes into contact with the link ( 20) (22) swings around the shaft (32) in the direction of rotation of the hour hand as shown in Figure 3, and the head (12) moves in the direction of rotation of the hour hand (2).
The height of the minimum displacement point (52b) of the displacement body (52) is set so that the displacement body (52) comes into close contact with the surface due to the downward elastic force of the spring (54). In this embodiment, the rotation angle range of the member (50) is set to approximately 45 degrees. In the above configuration, during drawing, the operator moves the member (50) to the (4th)
In the figure, the protrusion (50a) is located at the stopper (50a) in the direction of rotation of the hour hand.
80) until it is locked in the head (12).
rises from the drawing board (2) due to the upward elasticity of the spring (54). Further, when the member (50) is rotated in the counterclockwise direction of rotation of the hour hand in FIG.
) sticks to the surface of the drawing board (2) due to the downward elasticity. When the head (12) is lifted off the drawing board,
When a downward load is applied to the head (2), the head (12) descends against the pressure of the spring (54) due to this load. Then, if this load is released, the head (12)
Next, other embodiments are shown in Figures (5) and (6).
) Explain with reference to the figure. Reference numeral (90) is a displacement body made of a general soldering material fixed to the cover (42), and is connected to the power source by a cord via a known sliding device and switch. The switch (92) is a door, a door (12)
Disposed on the handle (12a) of 711. ing. The other end of the flap (54) is fitted into the hole of the drive shaft (90a) of the displacement body (9o). The switch (92) constitutes a displacement body manual operation member. The other structure is the same as the embodiment shown in FIG. (3). When the drawing board (2) is set horizontally to the floor and the switch (92) is turned to the ON side to energize the displacement body (9o), the drive shaft (
In cases 1 and 2 in which the tip of the drive shaft (90a) protrudes downward, the amount of protrusion of the tip (907-1) of the drive shaft (90a) with respect to the cover (42) is the maximum of the displacement body (52) in the above embodiment. The amount of protrusion of the displacement point (52a) with respect to the cover (42) is set to be the same. When the drive shaft (90a) protrudes, the cover (42) is moved by the elasticity of the spring (54) applied to the drive shaft (90a).
The head (12) swings in the counterclockwise direction of rotation of the hour hand in FIG.

゛ スイッチ(92)をOFF側に倒し、変位体(90
)への通電を解除すると、駆動軸(90a)は変位体(
90)に内蔵された復帰ばね(図示省略)の弾力によっ
て後退し、カバー(42)は第(5)図」−1軸体(3
2)を中心として、時針回転方向にばね(54)の下向
きの弾力により揺動し、ヘッド(12)ばばね(54)
の下向きの弾力によって図板(2)面に密着する。駆動
軸(9C1a)の先端部(90b)後退時のカバー(4
2)に対する突出量は」二記実施例における変位体(5
2)の最小変位点(52b)のカバー(42)に対する
突出量と同一に設定されている。尚、本案の実施に際し
てはリンク(20)  (22)と(56)8− (60)を用いたn降案内機構に特に限定されろもので
ない。尚、変位体(52)  (90)を支持体(36
)に取付け、変位体(52)  (90)の変位部にば
ね(54)の一端を連A′11□するとともに、ばね’
(5/l)の他方をカバー(42)に連結するようにし
ても良い。
゛ Turn the switch (92) to the OFF side and turn off the displacement body (90
), the drive shaft (90a) moves to the displacement body (
90) is retracted by the elasticity of a return spring (not shown), and the cover (42) is moved back to the position shown in FIG.
2) in the direction of rotation of the hour hand due to the downward elasticity of the spring (54).
It sticks to the surface of the drawing board (2) due to its downward elasticity. Cover (4) when retracting the tip (90b) of the drive shaft (9C1a)
The amount of protrusion with respect to ``2'' is the displacement body (5) in Example 2.
2) is set to be the same as the amount of protrusion of the minimum displacement point (52b) from the cover (42). Note that the implementation of the present invention is not particularly limited to the n-lowering guide mechanism using links (20), (22), and (56), 8-(60). Note that the displacement bodies (52) (90) are connected to the support body (36).
), connect one end of the spring (54) to the displacement part of the displacement body (52) (90), and connect the spring '
(5/l) may be connected to the cover (42).

本発明は」〕述の如く構成したので、へソ1くが図板か
ら浮上した状態において不用意に自重によって図板面に
落下することがなく、しかも、ヘッドに下向きの荷重が
かかったどき、ばねカに抗してヘッドが下降してこの荷
重を逃げることができるので、ヘッドを支えるH降2ぐ
内機溝に過大なカが加わるのを防止することがてき、更
に、ヘッドの図板面に対する浮−Lと%r 2操作を確
実に行うことができる等の効果がUする。
The present invention is configured as described above, so that when the navel 1 is floating above the drawing board, it does not accidentally fall onto the drawing board due to its own weight, and moreover, when a downward load is applied to the head, Since the head descends against the spring force and can escape this load, it is possible to prevent excessive force from being applied to the internal groove that supports the head. Effects such as floating L and %r2 operations on the board surface can be performed reliably.

【図面の簡単な説明】[Brief explanation of the drawing]

図は本発明の好適な実施例を示し、第1図は全体下面図
、第2図は横断面図、第3図は縦断面図、第4図は平面
図、第5図は説明図、第6図は他の実施例を示す縦断面
図、第7図は同平面図、第8図は同説明図である。
The drawings show preferred embodiments of the present invention, in which Fig. 1 is an overall bottom view, Fig. 2 is a cross-sectional view, Fig. 3 is a longitudinal sectional view, Fig. 4 is a plan view, and Fig. 5 is an explanatory view. FIG. 6 is a longitudinal sectional view showing another embodiment, FIG. 7 is a plan view thereof, and FIG. 8 is an explanatory diagram thereof.

Claims (1)

【特許請求の範囲】[Claims] (1)■カーソルに昇降案内機構を介してヘッドを図板
に対して昇降自在に連結し、前記Yカーソルと昇降案内
機構のいづれか一方にばねを設け、該ばねの弾力が前記
昇降案内機構に作用するようにした装置において、前記
Yカーソルと昇降案内機構のいづれか一方に変位体を設
け、該変位体に、該変位体を手動操作によって変位させ
るための変位体手動操作部材を連繋し、前記変位体の変
位によって前記ばねの前記昇降案内機構に対する付勢力
の方向が前記変位体の所定の変位点を境いとして昇降二
方向に変換するように前記変位体に前記ばねを連結した
ことを特徴とするレールタイプ自在平行定規におけるヘ
ッド昇降支持装置。
(1) ■ A head is connected to the cursor via an elevating guide mechanism so that it can rise and fall with respect to the drawing board, and a spring is provided on either the Y cursor or the elevating guide mechanism, and the elasticity of the spring is applied to the elevating guide mechanism. In the apparatus, a displacement body is provided on either the Y cursor or the elevation guide mechanism, and a displacement body manual operation member for displacing the displacement body by manual operation is linked to the displacement body, and the displacement body is connected to the displacement body manually. The spring is connected to the displacement body so that the direction of the biasing force of the spring against the elevation guide mechanism is changed into two directions of elevation with a predetermined displacement point of the displacement body as the boundary. A head lifting/lowering support device for a rail type flexible parallel ruler.
JP18946582A 1982-10-28 1982-10-28 Head lifting supporter in rail type universal parallel rule Granted JPS5978900A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18946582A JPS5978900A (en) 1982-10-28 1982-10-28 Head lifting supporter in rail type universal parallel rule

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18946582A JPS5978900A (en) 1982-10-28 1982-10-28 Head lifting supporter in rail type universal parallel rule

Publications (2)

Publication Number Publication Date
JPS5978900A true JPS5978900A (en) 1984-05-07
JPH0439B2 JPH0439B2 (en) 1992-01-06

Family

ID=16241720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18946582A Granted JPS5978900A (en) 1982-10-28 1982-10-28 Head lifting supporter in rail type universal parallel rule

Country Status (1)

Country Link
JP (1) JPS5978900A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5031057A (en) * 1973-07-23 1975-03-27
JPS5475848U (en) * 1977-11-07 1979-05-30

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5031057A (en) * 1973-07-23 1975-03-27
JPS5475848U (en) * 1977-11-07 1979-05-30

Also Published As

Publication number Publication date
JPH0439B2 (en) 1992-01-06

Similar Documents

Publication Publication Date Title
JPH06265857A (en) Display elevation device
JPS5978900A (en) Head lifting supporter in rail type universal parallel rule
US4010931A (en) Door lifting and holding tool
CN218444427U (en) Steel plate spring pin load testing device
JPS5978898A (en) Head lifting supporter in rail type universal parallel rule
JPS5978899A (en) Head lifting supporter in rail type universal parallel rule
CN221629373U (en) High-stability liquid crystal display support base
CN213847157U (en) Thin film circuit processing device with overturning function
JP2863701B2 (en) Bed equipment
JP2813723B2 (en) IC suction device
US3244423A (en) Retractable tone arm support post for compact record changer
JP2534069Y2 (en) Disk drive head mechanism
JPS6130237U (en) Wafer loading mechanism of wafer processing equipment
CN221265527U (en) Animation design is with drawing platform convenient to adjust
KR930006424Y1 (en) Ejecting apparatus for auto-reverse car deck
JPH0217494Y2 (en)
JP2553792Y2 (en) Press fixing device
KR950002779Y1 (en) Movable table
JPH0139346Y2 (en)
JPS5989271U (en) Printed circuit board inspection equipment
JPS5831547Y2 (en) Floor lifting mechanism
KR970006181B1 (en) Multi-mini disk drive
JPS6336481Y2 (en)
JPH06253933A (en) Desk with lifting type mounting plate
JPS5944047B2 (en) cleaning equipment