JPS624591U - - Google Patents
Info
- Publication number
- JPS624591U JPS624591U JP9723985U JP9723985U JPS624591U JP S624591 U JPS624591 U JP S624591U JP 9723985 U JP9723985 U JP 9723985U JP 9723985 U JP9723985 U JP 9723985U JP S624591 U JPS624591 U JP S624591U
- Authority
- JP
- Japan
- Prior art keywords
- lifting
- support shaft
- roller
- lifting roller
- groove
- 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
- 230000002265 prevention Effects 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Blinds (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Description
第１図はこの考案を具体化したブラインドの自
重降下防止装置の一実施例を示す分解斜視図、第
２図は同じくその縦断面図、第３図及び第４図は
ガイド溝の展開図、第５図はこの考案を具体化し
たブラインドの正面図、第６図はこの考案の変形
例を示す説明図である。
ヘツドボツクス……２、昇降コード……７、自
重降下防止装置……８、支軸……９、コイルスプ
リング……１０、ドラム……１１、昇降ローラ…
…１３、案内体……１５、ガイド溝……１７。
Fig. 1 is an exploded perspective view showing an embodiment of a blind weight drop prevention device embodying this invention, Fig. 2 is a longitudinal sectional view thereof, Figs. 3 and 4 are developed views of the guide groove, FIG. 5 is a front view of a blind embodying this invention, and FIG. 6 is an explanatory diagram showing a modification of this invention. Head box...2, Lifting cord...7, Weight drop prevention device...8, Support shaft...9, Coil spring...10, Drum...11, Lifting roller...
...13, Guide body...15, Guide groove...17.
Claims (1)
に昇降ローラ１３を回転可能に支持し、その昇降
ローラ１３に昇降コード７を掛装して昇降ローラ
１３の回転時に限り昇降コードを移動操作可能と
し、昇降コード７の下方への操作により上部枠体
２内へ昇降コード７を引き込む方向へ昇降ローラ
１３の回転の阻止及びその解除を交互に行うカム
機構を昇降ローラ１３と支軸９との間に設けたこ
とを特徴とするブラインド等の自重降下防止装置
。 ２ カム機構は支軸９に巻層されるコイルスプリ
ング１０と、そのコイルスプリング１０の一端を
貫通孔１２の凹条１２ａに係止したドラム１１と
、そのドラム１１外周面に設けられたガイド溝１
７と、昇降ローラ１３の貫通孔１４に設けられた
凹条１４内をガイド溝１７に係合しながら移動す
る案内体１５とからなる実用新案登録請求の範囲
第１項に記載のブラインド等の自重降下防止装置
。[Scope of claims for utility model registration] 1. A support shaft 9 is fixed within the upper frame 2, and the support shaft 9
The lifting roller 13 is rotatably supported, and the lifting cord 7 is hung around the lifting roller 13 so that the lifting cord can be moved only when the lifting roller 13 is rotating. The self-weight of a blind, etc., characterized in that a cam mechanism is provided between the lifting roller 13 and the support shaft 9, which alternately blocks and releases the rotation of the lifting roller 13 in the direction of drawing the lifting cord 7 into the body 2. Anti-descent device. 2. The cam mechanism includes a coil spring 10 wound around a support shaft 9, a drum 11 with one end of the coil spring 10 locked in a groove 12a of a through hole 12, and a guide groove provided on the outer circumferential surface of the drum 11. 1
7 and a guide body 15 that moves within a groove 14 provided in a through hole 14 of an elevating roller 13 while engaging with a guide groove 17. Self-weight drop prevention device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9723985U JPH0328713Y2 (en) | 1985-06-26 | 1985-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9723985U JPH0328713Y2 (en) | 1985-06-26 | 1985-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS624591U true JPS624591U (en) | 1987-01-12 |
| JPH0328713Y2 JPH0328713Y2 (en) | 1991-06-19 |
Family
ID=30963993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9723985U Expired JPH0328713Y2 (en) | 1985-06-26 | 1985-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0328713Y2 (en) |
-
1985
- 1985-06-26 JP JP9723985U patent/JPH0328713Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0328713Y2 (en) | 1991-06-19 |