JPH0179119U - - Google Patents
Info
- Publication number
- JPH0179119U JPH0179119U JP1987175610U JP17561087U JPH0179119U JP H0179119 U JPH0179119 U JP H0179119U JP 1987175610 U JP1987175610 U JP 1987175610U JP 17561087 U JP17561087 U JP 17561087U JP H0179119 U JPH0179119 U JP H0179119U
- Authority
- JP
- Japan
- Prior art keywords
- operating lever
- rotating plate
- pins
- return
- support shaft
- 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
- 230000007935 neutral effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Operation Control Of Excavators (AREA)
- Arrangement And Mounting Of Devices That Control Transmission Of Motive Force (AREA)
- Mechanical Control Devices (AREA)
Description
第１図は本考案の実施例による操作レバーのセ
ルフリターン装置を示す縦断面図、第２図は第１
図中の―矢示方向断面図、第３図は第１図中
の―矢示方向断面図、第４図は操作レバーの
傾転操作量とリターンスプリングのばね荷重との
関係を示す特性線図である。
１……床板、２……ブラケツト、３……支持軸
、５……筒体、７……操作レバー、８……プレー
ト、９，１０……ピン、１１……回動プレート、
１２……ボルト、１６……リターンスプリング、
１７……プツシユプルケーブル、１８……ボール
ジヨイント。
FIG. 1 is a vertical sectional view showing a self-return device for an operating lever according to an embodiment of the present invention, and FIG.
Figure 3 is a sectional view in the direction of the arrow in Figure 1. Figure 4 is a characteristic line showing the relationship between the amount of tilting operation of the operating lever and the spring load of the return spring. It is a diagram. 1... Floor plate, 2... Bracket, 3... Support shaft, 5... Cylindrical body, 7... Operating lever, 8... Plate, 9, 10... Pin, 11... Rotating plate,
12...Bolt, 16...Return spring,
17...Push pull cable, 18...Ball joint.
Claims (1)
で傾転操作される操作レバーと、前記支持軸を挾
んで互いに対向するように該操作レバーの基端側
に設けられた一対のピンと、前記操作レバーとは
独立した回転中心を有し、操作レバーの中立時に
初期位置で該各ピンと当接し、操作レバーの操作
時に該各ピンのうちいずれかのピンを介して常に
同一方向に回動される回動プレートと、該回動プ
レートを常時初期位置に復帰させるように付勢し
、該回動プレートを介して前記操作レバーを中立
位置にリターンさせるリターンスプリングとから
構成してなる操作レバーのセルフリターン装置。 an operating lever whose proximal end is rotatably provided on the support shaft and whose distal end is tilted; and a pair of pins provided on the proximal end of the operating lever so as to sandwich the support shaft and face each other. , has a rotation center independent of the operating lever, contacts each of the pins at the initial position when the operating lever is neutral, and always rotates in the same direction via one of the pins when the operating lever is operated. An operation consisting of a rotating plate that is moved, and a return spring that constantly biases the rotating plate to return to its initial position and returns the operating lever to the neutral position via the rotating plate. Lever self-return device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175610U JPH0179119U (en) | 1987-11-17 | 1987-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175610U JPH0179119U (en) | 1987-11-17 | 1987-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0179119U true JPH0179119U (en) | 1989-05-26 |
Family
ID=31467395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987175610U Pending JPH0179119U (en) | 1987-11-17 | 1987-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0179119U (en) |
-
1987
- 1987-11-17 JP JP1987175610U patent/JPH0179119U/ja active Pending
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