JPH0233957U - - Google Patents
Info
- Publication number
- JPH0233957U JPH0233957U JP11294088U JP11294088U JPH0233957U JP H0233957 U JPH0233957 U JP H0233957U JP 11294088 U JP11294088 U JP 11294088U JP 11294088 U JP11294088 U JP 11294088U JP H0233957 U JPH0233957 U JP H0233957U
- Authority
- JP
- Japan
- Prior art keywords
- link
- return spring
- fixed
- center
- links
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transmission Devices (AREA)
Description
第１図Ａ及びＢは本考案の実施例のリンク装置
の復帰前の状態と復帰後の状態を示す図、第２図
Ａ及びＢは従来のリンク装置の復帰前の状態と復
帰後の状態を示す図である。
１……第１のリンク、２……第２のリンク、３
，３′……連接リンク、４，４′……復帰バネ、
５……ストツパ、ａ，ｂ，ｅ……固定中心、ｃ，
ｄ……可動中心。
FIGS. 1A and B are diagrams showing the state of the link device according to the embodiment of the present invention before and after the return, and FIGS. 2A and B are the states of the conventional link device before and after the return. FIG. 1...First link, 2...Second link, 3
, 3'... connecting link, 4, 4'... return spring,
5... Stopper, a, b, e... Fixed center, c,
d...Movable center.
Claims (1)
固定された第１及び第２のリンクと、該第１及び
第２のリンクに第１及び第２の可動中心において
回り対偶で連結された連接リンクと、前記第１及
び第２のリンクを相反する方向に回動させるべく
前記連接リンクに一端が接続され他端が第３の固
定中心に接続された復帰バネと、前記復帰バネの
放勢により前記第１のリンクが一方の方向に回動
するのを制限するストツパとを備え、 前記第１のリンクのリンク長は前記連接リンク
のリンク長よりも短く、前記連接リンクのリンク
長は前記第２のリンクのリンク長よりも短く、 少なくとも前記第１のリンクが前記ストツパと
当接するまで前記第１のリンクに前記復帰バネが
回動力を与えることができる位置に前記第３の固
定中心が位置決めされている復帰バネを備えたリ
ンク装置において、 前記復帰バネの前記一端は、前記復帰バネが放
勢される前の状態において前記第１及び第２の可
動中心を結ぶ線を間にして前記第１の固定中心と
は反対側に位置する前記連接リンクの部分に固定
されていることを特徴とする復帰バネを備えたリ
ンク装置。[Claims for Utility Model Registration] First and second links fixed in pairs around first and second fixed centers, and first and second movable centers around the first and second links. an articulating link that is coupled in a rotational pair at the center, and a return spring that has one end connected to the articulating link and the other end connected to a third fixed center in order to rotate the first and second links in opposite directions. and a stopper that limits rotation of the first link in one direction by releasing the return spring, the link length of the first link is shorter than the link length of the connecting link, The link length of the connecting link is shorter than the link length of the second link, and the return spring is at a position where the return spring can apply rotational force to the first link at least until the first link contacts the stopper. In a link device including a return spring in which the third fixed center is positioned at , the one end of the return spring is located at the first and second movable centers in a state before the return spring is released. A link device comprising a return spring, the link device being fixed to a portion of the connecting link located on the opposite side of the first fixing center with a line connecting the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11294088U JPH0233957U (en) | 1988-08-29 | 1988-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11294088U JPH0233957U (en) | 1988-08-29 | 1988-08-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0233957U true JPH0233957U (en) | 1990-03-05 |
Family
ID=31352338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11294088U Pending JPH0233957U (en) | 1988-08-29 | 1988-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0233957U (en) |
-
1988
- 1988-08-29 JP JP11294088U patent/JPH0233957U/ja active Pending
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