JPS6339223U - - Google Patents
Info
- Publication number
- JPS6339223U JPS6339223U JP13213486U JP13213486U JPS6339223U JP S6339223 U JPS6339223 U JP S6339223U JP 13213486 U JP13213486 U JP 13213486U JP 13213486 U JP13213486 U JP 13213486U JP S6339223 U JPS6339223 U JP S6339223U
- Authority
- JP
- Japan
- Prior art keywords
- arm
- shaft
- joint
- arm support
- support member
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Pivots And Pivotal Connections (AREA)
Description
第１図は本考案に係るアームの関節部保護装置
のアーム伸長状態における正面図、第２図は同上
においてアームを折曲させた場合の正面図、第３
図は同上図の斜視図、第４図はカバーの斜視図、
第５図は本考案の実施例に適するオーバーヘツド
プロジエクターの使用状態における斜視図、第６
図は同上のオーバーヘツドプロジエクターをコン
パクト化した場合の斜視図である。
４０……アーム支持部材、４０Ａ……丸穴、６
０……アーム、６０Ａ……長穴、８０……カバー
、８０Ａ……第１軸、８０Ｂ……第２軸。
Figure 1 is a front view of the arm joint protection device according to the present invention in an extended state; Figure 2 is a front view of the same device with the arm bent;
The figure is a perspective view of the same figure as above, Figure 4 is a perspective view of the cover,
FIG. 5 is a perspective view of an overhead projector suitable for an embodiment of the present invention in a state of use;
The figure is a perspective view of the above overhead projector when it is made more compact. 40...Arm support member, 40A...Round hole, 6
0...Arm, 60A...Elongated hole, 80...Cover, 80A...First axis, 80B...Second axis.
Claims (1)
を揺動自在のアームを介して起伏自在に結合して
なるオーバーヘツドプロジエクターにおいて、 アームとアーム支持部材との結合関節部内側を
覆う保護手段であつて、 断面略コの字状の折曲片形状をなし、一端内側
に対向して突出した第１軸と、他端内側に対向し
て突出した第２軸を有するカバーと、 アーム又はアーム支持部材の何れか一方に形成
された第１軸枢支用の丸穴と、アーム又はアーム
支持部材の残る他方に形成された第２軸係合用の
長穴を有することを特徴とするアームの関節部保
護装置。[Scope of Claim for Utility Model Registration] In an overhead projector in which a head equipped with an optical system is movably connected to a base on which a manuscript is placed via a swingable arm, an arm and arm support are provided. A protective means that covers the inside of a joint joint connected to a member, which has the shape of a bent piece with a substantially U-shaped cross section, and has a first shaft that projects inwardly at one end, and a first shaft that projects inwardly at the other end. a cover having a second shaft; a round hole for pivoting the first shaft formed in either the arm or the arm support member; and a round hole for engaging the second shaft formed in the remaining arm or the arm support member; An arm joint protection device characterized by having a long hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13213486U JPH0522933Y2 (en) | 1986-08-29 | 1986-08-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13213486U JPH0522933Y2 (en) | 1986-08-29 | 1986-08-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6339223U true JPS6339223U (en) | 1988-03-14 |
| JPH0522933Y2 JPH0522933Y2 (en) | 1993-06-11 |
Family
ID=31031238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13213486U Expired - Lifetime JPH0522933Y2 (en) | 1986-08-29 | 1986-08-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0522933Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1039269A (en) * | 1996-07-25 | 1998-02-13 | Nec Corp | Liquid crystal projector and its projection method |
-
1986
- 1986-08-29 JP JP13213486U patent/JPH0522933Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1039269A (en) * | 1996-07-25 | 1998-02-13 | Nec Corp | Liquid crystal projector and its projection method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0522933Y2 (en) | 1993-06-11 |