JPS61131262U - - Google Patents
Info
- Publication number
- JPS61131262U JPS61131262U JP1516685U JP1516685U JPS61131262U JP S61131262 U JPS61131262 U JP S61131262U JP 1516685 U JP1516685 U JP 1516685U JP 1516685 U JP1516685 U JP 1516685U JP S61131262 U JPS61131262 U JP S61131262U
- Authority
- JP
- Japan
- Prior art keywords
- cam member
- head frame
- belt
- cam
- head
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Transmission Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Description
第１図は本考案の一実施例の駆動装置を含むレ
ンズ周縁加工機の要部斜視図、第２図は本考案の
一実施例の駆動装置の平面図、第３図は第２図の
Ｃ―Ｃ′矢視図に相当する拡大側面図、第４図ａ
，ｂ，ｃは本考案の一実施例の動作を説明するた
めの図、である。
（主要部分の符号の説明）、２……支持軸、３
……ヘツドフレーム、６……レンズ回転軸、１２
……モータ、１３……減速装置、１４……変形円
カム（第２のカム部材）、１５……円カム（第１
のカム部材）、１６……ばね、１７……ベルト。
FIG. 1 is a perspective view of essential parts of a lens peripheral processing machine including a driving device according to an embodiment of the present invention, FIG. 2 is a plan view of a driving device according to an embodiment of the present invention, and FIG. Enlarged side view corresponding to C-C' arrow view, Figure 4a
, b, and c are diagrams for explaining the operation of an embodiment of the present invention. (Explanation of symbols of main parts), 2...Support shaft, 3
...Head frame, 6...Lens rotation axis, 12
... Motor, 13 ... Speed reduction device, 14 ... Deformed circular cam (second cam member), 15 ... Circular cam (first
cam member), 16...spring, 17...belt.
Claims (1)
のための支持軸に関して、レンズ回転軸とは反対
側にて当接するカムを有し、該カムによつて前記
ヘツドフレームの上昇、水平移動、下降の一連の
動作を行なわせる駆動装置において、前記ヘツド
フレームの下降を行なわせる第１のカム部材と、
前記ヘツドフレームの水平移動を行なわせる第２
のカム部材とを少なくとも有すると共に、前記第
１のカム部材と前記第２のカム部材の軸を同軸に
なしかつ該軸を一方向に回転する動力装置を設け
、前記第１のカム部材と前記ヘツドフレームの間
で前記第１のカム部材に伸縮性のないベルトを係
接せしめ、該ベルトが前記第１のカム部材の回転
にかかわらず、ほぼ一定の位置で常に前記第１の
カム部材に接するように、前記第１のカム部材と
前記ベルトとの係接位置において前記ベルトに働
らく張力の方向が前記第１のカム部材の回転方向
を向くように、前記ベルトの一端を固定し、他端
をばねにて引つ張つてなることを特徴とするヘツ
ドフレームの駆動装置。 The head frame has a cam that comes into contact with the support shaft for vertical and horizontal movement on the side opposite to the lens rotation axis, and the cam causes the head frame to move upward, horizontally, and downward. a first cam member that lowers the head frame;
a second head frame for horizontally moving the head frame;
a cam member, the first cam member and the second cam member are not coaxial with each other, and a power device is provided that rotates the shaft in one direction; A non-stretchable belt is engaged with the first cam member between the head frames, and the belt is always connected to the first cam member at a substantially constant position regardless of rotation of the first cam member. fixing one end of the belt so that the direction of tension acting on the belt faces the rotation direction of the first cam member at the engagement position of the first cam member and the belt, A head frame driving device characterized in that the other end is pulled by a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1516685U JPH0239728Y2 (en) | 1985-02-05 | 1985-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1516685U JPH0239728Y2 (en) | 1985-02-05 | 1985-02-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61131262U true JPS61131262U (en) | 1986-08-16 |
| JPH0239728Y2 JPH0239728Y2 (en) | 1990-10-24 |
Family
ID=30500761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1516685U Expired JPH0239728Y2 (en) | 1985-02-05 | 1985-02-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0239728Y2 (en) |
-
1985
- 1985-02-05 JP JP1516685U patent/JPH0239728Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0239728Y2 (en) | 1990-10-24 |