JPH022499U - - Google Patents
Info
- Publication number
- JPH022499U JPH022499U JP8157788U JP8157788U JPH022499U JP H022499 U JPH022499 U JP H022499U JP 8157788 U JP8157788 U JP 8157788U JP 8157788 U JP8157788 U JP 8157788U JP H022499 U JPH022499 U JP H022499U
- Authority
- JP
- Japan
- Prior art keywords
- auxiliary
- chain
- sprocket
- wound
- shutter
- 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
- 230000002265 prevention Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Description
図面はこの考案の一実施例に係り、第１図は落
下防止装置の斜視図、第２図は同落下防止装置の
正面図、第３図は同落下防止装置をブラケツトに
取付けた状態を示す平面断面図、第４図は落下防
止装置が作動する前の通常状態を示す説明図、第
５図は落下防止装置が作動した状態を示す説明図
である。
Ａ……落下防止装置、Ｂ……シヤツターカーテ
ン、Ｃ……安全装置、Ｃ１……係合部材、Ｃ２…
…感知部、１……巻取シヤフト、２……開閉機、
３……開閉機スプロケツト、４……（開閉機）補
助スプロケツト、５……巻取シヤフトスプロケツ
ト、６……（巻取シヤフト）補助スプロケツト、
７……駆動チエーン、８……補助チエーン、８ａ
……（補助チエーン）ハリ側、８ｂ……（補助チ
エーン）ユルミ側、９……固定部、１０……係合
部、１１……係合スプロケツト、１２……引張ス
プリング、１３……係合ローラ、１５……圧縮ス
プリング、１８……マイクロスイツチ（検出手段
）。
The drawings relate to one embodiment of this invention, with Figure 1 being a perspective view of the fall prevention device, Figure 2 being a front view of the same fall prevention device, and Figure 3 showing the fall prevention device being attached to a bracket. A sectional plan view, FIG. 4 is an explanatory view showing a normal state before the fall prevention device is activated, and FIG. 5 is an explanatory view showing a state in which the fall prevention device is activated. A...Fall prevention device, B...Shutter curtain, C...Safety device, C1 ...Engagement member, C2 ...
...sensing section, 1... winding shaft, 2... opening/closing machine,
3... Opening/closing machine sprocket, 4... (Opening/closing machine) auxiliary sprocket, 5... Take-up shaft sprocket, 6... (Take-up shaft) auxiliary sprocket,
7... Drive chain, 8... Auxiliary chain, 8a
... (Auxiliary chain) stiff side, 8b ... (Auxiliary chain) loose side, 9 ... Fixed part, 10 ... Engagement part, 11 ... Engagement sprocket, 12 ... Tension spring, 13 ... Engagement Roller, 15... Compression spring, 18... Micro switch (detection means).
Claims (1)
ト間に巻掛けた駆動チエーンの動力伝動によつて
、シヤツターカーテンを巻き取り、巻き戻し自在
にするシヤツターにおいて、上記両スプロケツト
とはそれぞれ同軸に取付けた開閉機補助スプロケ
ツトおよび巻取シヤフト補助スプロケツトと、こ
れら両補助スプロケツト間に巻掛けた上記駆動チ
エーンより長さの長い補助チエーンと、この補助
チエーンのハリ側に係合させて上記駆動チエーン
の切断で補助チエーンに負荷がかかつたときに上
記補助チエーンのハリ側の張力で作動する係合部
材と、この係合部材の作動を検出して検出信号を
発する検出手段からなる安全装置を設けたことを
特徴とするシヤツターの落下防止装置。 In a shutter that allows the shutter curtain to be wound up and rewound freely by power transmission of a drive chain wound between the opening/closing machine sprocket and the take-up shaft sprocket, the opening/closing machine is installed coaxially with the above-mentioned two sprockets. Auxiliary sprocket and take-up shaft Auxiliary sprocket, an auxiliary chain that is longer than the drive chain wound between these two auxiliary sprockets, and engaged with the stiff side of the auxiliary chain to disconnect the auxiliary chain by cutting the drive chain. A safety device is provided, comprising an engaging member that operates by the tension on the stiff side of the auxiliary chain when a load is applied to the auxiliary chain, and a detection means that detects the operation of the engaging member and issues a detection signal. Shutter fall prevention device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8157788U JPH022499U (en) | 1988-06-20 | 1988-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8157788U JPH022499U (en) | 1988-06-20 | 1988-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH022499U true JPH022499U (en) | 1990-01-09 |
Family
ID=31306355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8157788U Pending JPH022499U (en) | 1988-06-20 | 1988-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022499U (en) |
-
1988
- 1988-06-20 JP JP8157788U patent/JPH022499U/ja active Pending
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