JPH0475073U - - Google Patents
Info
- Publication number
- JPH0475073U JPH0475073U JP1990118975U JP11897590U JPH0475073U JP H0475073 U JPH0475073 U JP H0475073U JP 1990118975 U JP1990118975 U JP 1990118975U JP 11897590 U JP11897590 U JP 11897590U JP H0475073 U JPH0475073 U JP H0475073U
- Authority
- JP
- Japan
- Prior art keywords
- gear
- opening
- closing
- closing operation
- closing 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.)
- Pending
Links
- 238000013016 damping Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Landscapes
- Electrophotography Configuration And Component (AREA)
- Facsimiles In General (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Description
第１図ａは本考案の第１の実施例の模式的な正
面図、第１図ｂは第１図ａの要部の拡大詳細図、
第２図はワンウエイダンパの断面図、第３図はワ
ンウエイダンパのダンパ特性図、第４図は本考案
の第２の実施例の模式的な正面図、第５図は従来
例の正面図である。
８……装置本体、９……下部機体、１０……ヒ
ンジ、１１……上部機体、１２……固定歯車、１
４……ワンウエイダンパ、１６……可動歯車、ｒ
１……ピツチ円半径、ｒ２ＭＡＸ……長半径、ｒ
２ＭＩＮ……短半径、Ｐ……重心、Ｆ……閉駆動
力、Ｗ……重量、θ……角度、Ｌ……距離。
FIG. 1a is a schematic front view of the first embodiment of the present invention, FIG. 1b is an enlarged detailed view of the main part of FIG. 1a,
Fig. 2 is a sectional view of the one-way damper, Fig. 3 is a damper characteristic diagram of the one-way damper, Fig. 4 is a schematic front view of the second embodiment of the present invention, and Fig. 5 is a front view of the conventional example. be. 8...Device body, 9...Lower body, 10...Hinge, 11...Upper body, 12...Fixed gear, 1
4...One-way damper, 16...Movable gear, r
1...Pitch circle radius, r 2 MAX...Semi-major axis, r
2 MIN... Short radius, P... Center of gravity, F... Closing driving force, W... Weight, θ... Angle, L... Distance.
Claims (1)
可能な第２の機体と、 前記機体の一方に固定した第１の歯車と、 前記機体の他方に前記支点を公転軸として自転
可能に取り付けられ、前記第１の歯車と噛合しな
がら公転し、前記第１の機体と第２の機体とが閉
作動を行う時の自転力がダンパにより制動される
第２の歯車とを備えた開閉機構において、 前記第１の歯車と第２の歯車とは前記機体の閉
成作動の開始時と終了時とで歯車の噛合の歯車比
が異なることを特徴とする開閉機構。 ２ 前記第１の歯車と第２の歯車の歯車比は閉作
動の開始時には小さく、終了時には大きいことを
特徴とする請求項１記載の開閉機構。 ３ 前記第１の歯車と第２の歯車の歯車比は、閉
作動の開始時から終了時にかけて連続的に変化す
ることを特徴とする請求項１記載の開閉機構。[Claims for Utility Model Registration] 1. A second body capable of opening and closing with one end as a fulcrum relative to the first body, a first gear fixed to one of the bodies, and the fulcrum being fixed to the other side of the body. A second rotating shaft is rotatably attached as a revolving shaft, revolves while meshing with the first gear, and has a damper damping the rotational force when the first and second bodies perform a closing operation. An opening/closing mechanism comprising a gear, wherein the first gear and the second gear have different meshing gear ratios at the start and end of the closing operation of the machine body. . 2. The opening/closing mechanism according to claim 1, wherein the gear ratio between the first gear and the second gear is small at the start of the closing operation and large at the end. 3. The opening/closing mechanism according to claim 1, wherein a gear ratio between the first gear and the second gear changes continuously from the start to the end of the closing operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990118975U JPH0475073U (en) | 1990-11-14 | 1990-11-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990118975U JPH0475073U (en) | 1990-11-14 | 1990-11-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0475073U true JPH0475073U (en) | 1992-06-30 |
Family
ID=31866949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990118975U Pending JPH0475073U (en) | 1990-11-14 | 1990-11-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0475073U (en) |
-
1990
- 1990-11-14 JP JP1990118975U patent/JPH0475073U/ja active Pending
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