JPH02142829U

JPH02142829U -

Info

Publication number: JPH02142829U
Application number: JP1989051809U
Authority: JP
Priority date: 1989-05-01
Filing date: 1989-05-01
Publication date: 1990-12-04

Description

[Brief explanation of drawings]

第１図は、本考案の実施例を示す正面図、第２
図は、同上、ロツク機構を示す要部簡略図、第３
図ａは、第２図の要部簡略断面図、第３図ｂは、
第３図ａの状態からアームが挿入された状態を示
す、第４図は、従来例の正面図、第５図は、同上
、側面図である。Ａ…スクリーン、Ｂ…筺体、１，２，３，４…
アーム、５…保持パイプ、６…連結部材、７，８
…ガススプリング、９…スクリーンローラ、１０
，１１…引張ばね、ａ〜ｈ…枢軸、ｋ，ｌ，ｍ，
ｎ…ピン、 Figure 1 is a front view showing an embodiment of the present invention, Figure 2 is a front view showing an embodiment of the present invention;
The figure is the same as above, a simplified diagram of the main parts showing the lock mechanism, and the third figure.
Figure a is a simplified sectional view of the main part of Figure 2, and Figure 3 b is
FIG. 4 is a front view of the conventional example, and FIG. 5 is a side view of the conventional example, showing a state in which the arm is inserted from the state shown in FIG. 3a. A... Screen, B... Housing, 1, 2, 3, 4...
Arm, 5... Holding pipe, 6... Connecting member, 7, 8
...Gas spring, 9...Screen roller, 10
, 11...Tension spring, a~h...Pivot, k, l, m,
n...pin,

Claims

[Scope of utility model registration request]

A projection screen storage device comprising a casing, a screen support mechanism having symmetrically arranged arms whose lower ends are pivotally connected to the casing and bendably connected, and a screen supported movably up and down by the screen support mechanism. A projection screen storage device according to the invention, characterized in that a tension spring is provided between the left and right arms of the screen support mechanism and the housing to which the arms are pivotally connected, so as to apply a braking force when the screen is stored.