JPH0240874U - - Google Patents
Info
- Publication number
- JPH0240874U JPH0240874U JP11988888U JP11988888U JPH0240874U JP H0240874 U JPH0240874 U JP H0240874U JP 11988888 U JP11988888 U JP 11988888U JP 11988888 U JP11988888 U JP 11988888U JP H0240874 U JPH0240874 U JP H0240874U
- Authority
- JP
- Japan
- Prior art keywords
- present
- side sectional
- fire door
- latch
- latch lock
- 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
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 3
- 230000002265 prevention Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Special Wing (AREA)
Description
第１図ａおよびｂは本考案に係る防火戸用ラツ
チ錠の第１実施例を説明するそれぞれ正面図およ
び側断面図、第１図ｃおよびｄは第１図ａ，ｂの
作動状況を説明するそれぞれ正面図および側断面
図、第２図ａおよびｂは本考案に係る防火用ラツ
チ錠の第２実施例の構造およびその作動状況を説
明するそれぞれ側断面図、第３図ａおよびｂは本
考案に係る防火用ラツチ錠の第３実施例の構造お
よびその作動状況を説明するそれぞれ側断面図、
第４図ａおよびｂは本考案に係る防火戸用ラツチ
錠の第４実施例の構造およびその作動状況を説明
するそれぞれ側断面図、第５図ａおよびｂは本考
案に係る防火戸用ラツチ錠の第５実施例の構造お
よびその作動状況を説明するそれぞれ側断面図、
第６図ａは本考案に係るラツチ錠の防火戸への設
置個所を示す説明図、第６図ｂは本考案に係るラ
ツチ錠の外観を示す斜視図、第７図ａおよびｂは
本考案に係るラツチ錠の設置方法を示すそれぞれ
断面説明図である。
１……防火戸用ラツチ錠、３……ラツチピン、
７……形状記憶合金ワイヤ、８……低融点合金板
、９……低融点合金ロツド、１０……形状記憶合
金ばね。
Figures 1a and b are front views and side sectional views, respectively, illustrating the first embodiment of the fire door latch lock according to the present invention, and Figures 1c and d illustrate the operating conditions of Figures 1a and b. 2A and 2B are respectively a front view and a side sectional view, FIGS. 2A and 2B are side sectional views, respectively, illustrating the structure and operating status of the second embodiment of the fire prevention latch lock according to the present invention, and FIGS. 3A and 3B are side sectional views, respectively. A side sectional view illustrating the structure and operating status of the third embodiment of the fire prevention latch lock according to the present invention,
Figures 4a and b are side sectional views illustrating the structure and operating conditions of a fourth embodiment of the fire door latch according to the present invention, and Figures 5a and b are side sectional views of the fire door latch according to the present invention. A side sectional view illustrating the structure and operating condition of the fifth embodiment of the lock, respectively;
Fig. 6a is an explanatory diagram showing the installation location of the latch lock according to the present invention on a fire door, Fig. 6b is a perspective view showing the external appearance of the latch lock according to the present invention, and Figs. 7a and b are the present invention FIG. 3 is an explanatory cross-sectional view showing a method of installing a latch lock according to the present invention. 1... Latch lock for fire door, 3... Latch pin,
7...Shape memory alloy wire, 8...Low melting point alloy plate, 9...Low melting point alloy rod, 10...Shape memory alloy spring.
Claims (1)
溶失による拘束の解放によつて施錠方向に駆動さ
れるラツチピンを施錠装置を取り付けた側に設け
たことを特徴とする防火戸用ラツチ錠。 A latch lock for a fire door, characterized in that a latch pin is provided on the side to which a locking device is attached, which is driven in the locking direction by heat-sensitive operation of a shape memory alloy or release of restraint due to melting of a low melting point alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11988888U JPH0240874U (en) | 1988-09-14 | 1988-09-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11988888U JPH0240874U (en) | 1988-09-14 | 1988-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0240874U true JPH0240874U (en) | 1990-03-20 |
Family
ID=31365511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11988888U Pending JPH0240874U (en) | 1988-09-14 | 1988-09-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0240874U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0633590U (en) * | 1992-08-31 | 1994-05-06 | 金四郎 伴 | Cleaning equipment for the back of the body |
| JP2001323711A (en) * | 2000-05-17 | 2001-11-22 | Bunka Shutter Co Ltd | Free stop device for sliding door and sliding door device |
| JP2010007309A (en) * | 2008-06-25 | 2010-01-14 | Shibutani:Kk | Lock implement and lock device of fire door |
| JP2013112938A (en) * | 2011-11-25 | 2013-06-10 | Goal Co Ltd | Fire protection device for door |
| JP2014074285A (en) * | 2012-10-04 | 2014-04-24 | Lixil Corp | Opening device |
-
1988
- 1988-09-14 JP JP11988888U patent/JPH0240874U/ja active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0633590U (en) * | 1992-08-31 | 1994-05-06 | 金四郎 伴 | Cleaning equipment for the back of the body |
| JP2001323711A (en) * | 2000-05-17 | 2001-11-22 | Bunka Shutter Co Ltd | Free stop device for sliding door and sliding door device |
| JP4503136B2 (en) * | 2000-05-17 | 2010-07-14 | 文化シヤッター株式会社 | Sliding door free stop device and sliding door device |
| JP2010007309A (en) * | 2008-06-25 | 2010-01-14 | Shibutani:Kk | Lock implement and lock device of fire door |
| JP2013112938A (en) * | 2011-11-25 | 2013-06-10 | Goal Co Ltd | Fire protection device for door |
| JP2014074285A (en) * | 2012-10-04 | 2014-04-24 | Lixil Corp | Opening device |
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