FIELD: construction.
SUBSTANCE: girth rail for fireproof door is suggested. Girth rail contains a guide, spring arranged between the girth rail and support, and fuse link. Girth rail is made hollow; the guide is accommodated inside the girth rail and with one end of the support. The second end of the guide has a head. Fuse link is placed between the head and the girth rail.
EFFECT: creation of a simple, technologic construction of the girth rail having high operational reliability.
4 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| FIRE DOOR AND FIRE DOOR LATCH | 2004 |
|
RU2270311C2 |
| LOCK AND ITS CATCH (MODIFICATIONS) | 2004 |
|
RU2266384C1 |
| MULTIFUNCTIONAL ACROBAT LOCK | 2008 |
|
RU2377378C1 |
| LOCK "ANTIPANIC" | 2009 |
|
RU2395663C1 |
| DOUBLE-LEAF FIRE-PREVENTION GATES (VERSIONS) | 2013 |
|
RU2535286C1 |
| LOCKING MECHANISM FOR PASSIVE DOOR LEAF (VERSIONS) | 2012 |
|
RU2501925C1 |
| HANDLE FOR LOCKING DEVICES | 2007 |
|
RU2350726C1 |
| FIRE- AND EXPLOSION-PROOF DOOR | 2017 |
|
RU2644519C1 |
| FIRE-PREVENTION DOOR LEAF | 2013 |
|
RU2535459C1 |
| DOOR STOP | 2006 |
|
RU2314401C1 |
