KR200423391Y1 - A fireproof shutter - Google Patents

A fireproof shutter Download PDF

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Publication number
KR200423391Y1
KR200423391Y1 KR2020060012173U KR20060012173U KR200423391Y1 KR 200423391 Y1 KR200423391 Y1 KR 200423391Y1 KR 2020060012173 U KR2020060012173 U KR 2020060012173U KR 20060012173 U KR20060012173 U KR 20060012173U KR 200423391 Y1 KR200423391 Y1 KR 200423391Y1
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South Korea
Prior art keywords
shutter
fire
rail
coupled
prevention
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KR2020060012173U
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Korean (ko)
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김명규
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김명규
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Priority to KR2020060012173U priority Critical patent/KR200423391Y1/en
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E06B5/162—Fireproof doors having windows or other openings, e.g. for permitting ventilation or escape
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/02—Shutters, movable grilles, or other safety closing devices, e.g. against burglary

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Special Wing (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

본 고안은 건축물의 입구 등에 권회되도록 설치되어 상하로 승강하면서 입구를 개폐하는 방화 셔터의 비상출입문이 화재시 발생되는 열이나 자중에 의해 처지는 것을 방지하도록 구성된 방화 셔터에 관한 것이다.The present invention relates to a fire shutter that is installed to be wound around the entrance of the building and configured to prevent the emergency entrance door of the fire shutter to open and close the entrance while moving up and down to be sag by heat or self-weight generated in a fire.

본 고안의 특징에 따르면, 비상출입문을 갖는 셔터부재가 구비된 일반적인 방화 셔터에 있어서, 상호 인접되는 비상출입문의 상단부와 셔터부재에 각각 상호 포개지면서 접히거나 펼쳐지도록 일단부가 축핀 결합된 처짐방지레일과 지지레일이 수평으로 배치되어 일체로 고정 결합되고, 상기 처짐방지레일에는 걸림턱을 갖는 슬라이드홀이 길이방향을 따라 연이어 형성되며, 상기 지지레일에는 상기 처짐방지레일의 슬라이드홀에 삽입되는 처짐방지바의 일단부가 회동 가능하게 힌지핀 결합되고, 상기 처짐방지바의 타단부에 상기 처짐방지레일의 걸림턱에 걸려 슬라이드홀을 따라 이송되는 이송지지편이 결합되어 구성된 것을 특징으로 하는 방화 셔터가 제공된다.According to a feature of the present invention, in the general fire shutter with a shutter member having an emergency door, the deflection prevention rail is coupled to the upper end of the emergency exit door and the shutter member is coupled to the upper end and the shutter member to be folded or unfolded, respectively; The support rails are horizontally arranged and fixedly coupled to each other, and the sag prevention rail has a slide hole having a locking jaw formed in the longitudinal direction, and the sag prevention bar inserted into the slide hole of the sag prevention rail in the support rail. One end of the hinge pin is rotatably coupled, the other end of the deflection prevention bar is provided with a fire prevention shutter characterized in that coupled to the conveying support piece to be carried along the slide hole caught on the locking jaw of the deflection prevention rail.

Description

방화 셔터{A FIREPROOF SHUTTER}Fire shutter {A FIREPROOF SHUTTER}

도 1은 종래에 통상적인 방화 셔터를 개략적으로 나타낸 정면도.1 is a front view schematically showing a conventional fire shutter.

도 2는 본 고안의 실시예에 의한 방화 셔터를 나타낸 사시도.2 is a perspective view showing a fire shutter according to an embodiment of the present invention.

도 3는 본 고안인 방화 셔터의 주요부를 발취하여 나타낸 사시도.Figure 3 is a perspective view showing the main part of the fire protection shutter of the present invention.

도 4a와 도 4b는 본 고안인 방화 셔터의 주요부를 나타낸 단면도.4A and 4B are cross-sectional views showing main parts of the fire protection shutter of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

100 : 방화 셔터 100: fire shutter

110 : 구동장치 120 : 셔터박스110: drive device 120: shutter box

130 : 셔터부재 131 : 슬랫 130: shutter member 131: slat

131a : 조각 슬랫 132 : 경첩 131a: piece slat 132: hinge

133 : 비상출입문 134 : 처짐방지레일 133: emergency door 134: sag prevention rail

134a : 걸림턱 134b : 슬라이드홀 134a: engaging jaw 134b: slide hole

135 : 지지레일 136 : 처짐방지바 135: support rail 136: deflection bar

136 : 축핀 136a : 이송지지편 136: shaft pin 136a: feed support piece

137 : 복원스프링 138 : 힌지핀 137: restoring spring 138: hinge pin

139 : 롤러 140 : 가이드레일 139: roller 140: guide rail

본 고안은 방화 셔터에 관한 것으로, 보다 상세히는 건축물의 입구 등에 권회되도록 설치되어 상하로 승강하면서 입구를 개폐하는 방화 셔터의 비상출입문이 화재시 발생되는 열이나 자중에 의해 처지는 것을 방지하도록 구성된 방화 셔터에 관한 것이다.The present invention relates to a fire shutter, and more particularly, a fire shutter that is installed to be wound around an entrance of a building and configured to prevent an emergency entrance door of a fire shutter that opens and closes while moving up and down while falling down by heat or self-weight generated in a fire. It is about.

일반적으로 방화 셔터는 건축물 내부 또는 입구 등에 설치되는 것으로, 평상시에는 특정공간 내부로 외부사람이 진입하는 것을 차단하는 셔터의 역할을 하는 동시에 화재가 발생되는 경우 화염, 연기, 유독가스 등이 확산되는 것을 방지하는 역할을 하게되며, 일정 규모 이상의 건축물에는 소방법에 의해 그 설치가 의무화되어 있다.In general, a fire shutter is installed inside a building or an entrance, and acts as a shutter to block outside people from entering a specific space. In the event of a fire, flames, smoke, and toxic gas are spread. In addition, the building is mandated by fire law for buildings of a certain size or larger.

또한, 통상적으로 방화 셔터에는 제한적으로 사용되는 비상출입문이 설치되어 화재 발생시 건물 내부의 화재 공간에 남아있던 사람들이 상기 비상출입문을 통해 신속하고 안전하게 대피할 수 있도록 구성되어 있다. In addition, a limited number of emergency access doors are typically installed in the fire shutter so that people who were left in the fire space inside the building can be evacuated quickly and safely through the emergency access door.

이러한 방화 셔터(1)의 구성은 대부분 도 1에 도시한 바와 같이 구동장치(10)가 내설된 셔터박스(20)와, 상기 구동장치(10)에 의해 상하로 승강 이동되며 바 형상의 슬랫(31)이 다수 상하로 결속되어 이루어진 셔터부재(30)와, 상기 셔터부재(30)의 측단부가 삽입되어 상하로 안내되도록 건물의 측벽에 매설되는 가이드레일(40)과, 상기 셔터부재(30)의 일부분이 되는 다수의 조각 슬랫(31a)이 상하로 결속되어 경첩(32)에 의해 셔터부재(30)와 연결되는 비상출입문(33)으로 구성된다.As shown in FIG. 1, the fire prevention shutter 1 has a shutter box 20 in which a driving device 10 is installed, and a bar-shaped slat that is moved up and down by the driving device 10. A shutter member 30 having a plurality of upper and lower ends 31 coupled thereto, a guide rail 40 embedded in a side wall of the building so that side ends of the shutter member 30 are inserted and guided up and down, and the shutter member 30 A plurality of pieces slat (31a) which is a part of) is bound up and down is composed of an emergency exit door 33 is connected to the shutter member 30 by the hinge 32.

그런데, 이와 같이 구성된 종래의 방화 셔터(1)는 경첩(32)에 의해 셔터부재(30)와 연결되지 않는 비상출입문(33) 부위가 자중에 의해 처짐이 발생되어 비상출입문(33)의 개폐가 원활하게 이루어지지 않기 때문에 화재 발생시 구난자 들의 신속한 탈출을 방해하게되어 더 큰 안전사고로 이어질 수 있음은 물론 상기 비상출입문(33)의 처짐 현상으로 발생되는 틈새를 통해 화염, 연기, 유독가스 등이 새어나오기 때문에 화재의 광역확산을 억제하지 못할 뿐만 아니라 권회되면서 개폐되는 방화 셔터(1)의 원활한 권회가 이루어지지 못하는 등의 문제점이 있었다.However, in the conventional fire prevention shutter 1 configured as described above, the emergency exit door 33, which is not connected to the shutter member 30 by the hinge 32, sags due to its own weight, so that opening and closing of the emergency access door 33 is performed. Because it is not made smoothly, it can prevent the escape of the rescuers in the event of a fire, which can lead to a larger safety accident, as well as through the gap generated by the sagging of the emergency access door 33. Because of leaking, there was a problem that not only the wide spread of the fire could not be suppressed but also the winding of the fire shutter 1 that was opened and closed while winding was not made smoothly.

본 고안은 상기한 바와 같은 문제점에 착안하여 제안된 것으로, 그 목적은 경첩에 의해 셔터부재에 지지 결합되는 비상출입문이 자중에 의해 처지는 것을 방지함으로써 방화 셔터의 권회 및 비상출입문의 개폐가 원활하게 이루어질 수 있도록 구성된 방화 셔터를 제공하고자 하는 것이다.The present invention has been proposed in view of the problems described above, and its purpose is to smoothly open and close the fire shutter and winding of the emergency access door by preventing the emergency access door which is coupled to the shutter member by the hinge to be sag by its own weight. It is to provide a fire shutter configured to be able to.

이와 같은 목적을 달성하기 위한 본 고안의 특징에 따르면, 비상출입문을 갖는 셔터부재가 구비된 일반적인 방화 셔터에 있어서, 상호 인접되는 비상출입문의 상단부와 셔터부재에 각각 상호 포개지면서 접히거나 펼쳐지도록 일단부가 축핀 결 합된 처짐방지레일과 지지레일이 수평으로 배치되어 일체로 고정 결합되고, 상기 처짐방지레일에는 걸림턱을 갖는 슬라이드홀이 길이방향을 따라 연이어 형성되며, 상기 지지레일에는 상기 처짐방지레일의 슬라이드홀에 삽입되는 처짐방지바의 일단부가 회동 가능하게 힌지핀 결합되고, 상기 처짐방지바의 타단부에 상기 처짐방지레일의 걸림턱에 걸려 슬라이드홀을 따라 이송되는 이송지지편이 결합되어 구성된 것을 특징으로 하는 방화 셔터가 제공된다.According to a feature of the present invention for achieving the above object, in a general fire prevention shutter having a shutter member having an emergency access door, one end portion is folded or unfolded while being superimposed on the upper end of the emergency exit door and the shutter member, respectively. Shaft pin coupled deflection prevention rail and the support rail is horizontally arranged and fixedly coupled, the deflection prevention rail has a slide hole having a locking jaw is formed in a continuous direction along the longitudinal direction, the support rail slides the deflection prevention rail One end portion of the deflection prevention bar inserted into the hole is rotatably coupled to the hinge pin, and the other end of the deflection prevention bar is coupled to the conveying support piece to be transported along the slide hole caught on the locking jaw of the deflection prevention rail A fire shutter is provided.

이하 본 고안인 방화 셔터를 첨부된 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings, the fire protection shutter of the present invention will be described in detail.

도 2는 본 고안의 실시예에 의한 방화 셔터를 나타낸 사시도이고, 도 3는 본 고안인 방화 셔터의 주요부를 발취하여 나타낸 사시도이며, 도 4a와 도 4b는 본 고안인 방화 셔터의 주요부를 나타낸 단면도이다.2 is a perspective view showing a fire prevention shutter according to an embodiment of the present invention, Figure 3 is a perspective view showing the main part of the fire prevention shutter of the present invention, Figure 4a and 4b is a cross-sectional view showing the main part of the fire protection shutter of the present invention. to be.

도시한 바와 같은 본 고안인 방화 셔터(100)는 비상출입문(133)을 갖는 셔터부재(130)가 구비된 일반적인 방화 셔터(100)에 있어서, 상호 인접되는 비상출입문(133)의 상단부와 셔터부재(130)에 각각 상호 포개지면서 접히거나 펼쳐지도록 일단부가 축핀(136) 결합된 처짐방지레일(134)과 지지레일(135)이 수평으로 배치되어 일체로 고정 결합되고, 상기 처짐방지레일(134)에는 걸림턱(134a)을 갖는 슬라이드홀(134b)이 길이방향을 따라 연이어 형성되며, 상기 지지레일(135)에는 상기 처짐방지레일(134)의 슬라이드홀(134b)에 삽입되는 처짐방지바(136)의 일단부가 회 동 가능하게 힌지핀(138) 결합되고, 상기 처짐방지바(136)의 타단부에 상기 처짐방지레일(134)의 걸림턱(134a)에 걸려 슬라이드홀(134b)을 따라 이송되는 이송지지편(136a)이 결합되어 구성된다.Fireproof shutter 100 according to the present invention as shown in the general fire shutter 100 with a shutter member 130 having an emergency door 133, the upper end of the emergency door 133 adjacent to each other and the shutter member The deflection prevention rail 134 and the support rail 135 having one end coupled to the shaft pin 136 and the support rail 135 are horizontally disposed to be folded or unfolded while being superimposed on each other 130, and the deflection preventing rail 134 is integrated. The slide hole 134b having a locking step 134a is continuously formed along the length direction, and the support rail 135 has a deflection prevention bar 136 inserted into the slide hole 134b of the deflection prevention rail 134. The hinge pin 138 is rotatably coupled to one end, and is caught by the locking jaw 134a of the deflection prevention rail 134 at the other end of the deflection prevention bar 136 and transferred along the slide hole 134b. The conveying support piece 136a is configured to be coupled.

상기 처짐방지레일(134)과 지지레일(135)은 외관상 상기 셔터부재(130)의 일부분이 되는 형상과 같도록 형성되는 것이 바람직하며, 용접에 의해 각각 셔터부재(130)와 비상출입문(133)에 고정 결합된다.The deflection preventing rail 134 and the support rail 135 are preferably formed to have the same shape as a part of the shutter member 130 in appearance, and the shutter member 130 and the emergency access door 133 by welding, respectively. Is fixed on the

또한, 상기 비상출입문(133)은 경첩(132)에 의해 셔터부재(130)에 지지 결합되는데, 상기 경첩(132)은 개방되었던 비상출입문(133)이 자동으로 닫칠 수 있도록 스프링이 내재된 경첩(132)을 이용하는 것이 바람직하다.In addition, the emergency access door 133 is supported and coupled to the shutter member 130 by a hinge 132, the hinge 132 is a hinge in which the spring is embedded so that the emergency access door 133 that was opened can be automatically closed ( 132 is preferably used.

또한, 상기 지지레일(135)과 처짐방지바(136) 사이에는 경우에 따라 복원스프링(137)이 탄지되어 개방된 비상출입문(133)이 자동으로 닫힐 수 있도록 구성될 수 있다.In addition, between the support rail 135 and the deflection prevention bar 136 may be configured such that the emergency exit door 133 opened by the recovery spring 137 is closed in some cases automatically closed.

또한, 상기 처짐방지바(136)의 이송지지편(136a)에는 상기 처짐방지레일(134)의 슬라이드홀(134b)을 따라 이송되는 롤러(139)가 회전 가능하게 결합되어 상기 비상출입문(133)의 회동시 처짐방지바(136)의 이송지지편(136a)이 처짐방지레일(134)의 슬라이드홀(134b)을 따라 원활하게 이송될 수 있도록 구성될 수 있다.In addition, a roller 139 which is transported along the slide hole 134b of the deflection preventing rail 134 is rotatably coupled to the conveying support piece 136a of the deflection preventing bar 136 and the emergency access door 133. The conveying support piece 136a of the deflection prevention bar 136 at the time of rotation may be configured to be smoothly conveyed along the slide hole 134b of the deflection prevention rail 134.

미 설명부호 110은 종래기술에 설명한 구동장치이고, 120은 셔터박스이며, 131은 슬랫이고, 131a는 조각 슬랫이며, 140은 가이드레일이다.Reference numeral 110 is a driving device described in the prior art, 120 is a shutter box, 131 is a slat, 131a is a piece slat, 140 is a guide rail.

이와 같이 구성된 본 고안인 방화 셔터(100)의 작용은 다음과 같다.The operation of the fire protection shutter 100 of the present invention configured as described above is as follows.

상기 경첩(132)에 의해 셔터부재(130)에 지지 결합된 비상출입문(133)을 개방하거나 닫을 경우, 상기 지지레일(135)에 힌지핀(138) 결합된 처짐방지바(136)가 회동함과 동시에 상기 처짐방지바(136)의 이송지지편(136a)이 처짐방지레일(134)의 슬라이드홀(134b)을 따라 이송하게 됨으로 비상출입문(133)의 개폐 작동이 원활하게 이루어지게 된다.When opening or closing the emergency access door 133 supported and coupled to the shutter member 130 by the hinge 132, the deflection prevention bar 136 coupled to the support rail 135 and the hinge pin 138 rotate. At the same time, the transfer support piece 136a of the deflection prevention bar 136 is transferred along the slide hole 134b of the deflection prevention rail 134, thereby smoothly opening and closing the emergency access door 133.

이때, 상기 처짐방지바(136)의 양단부가 각각 상기 비상출입문(133) 및 셔터부재(130)와 결합된 처짐방지레일(134)과 지지레일(135)에 지지되어 있는 상태가 됨으로 상기 비상출입문(133)이 자중에 의해 처지지 않게 된다.In this case, both ends of the deflection prevention bar 136 is supported by the deflection prevention rail 134 and the support rail 135 coupled with the emergency access door 133 and the shutter member 130, respectively. 133 is not sag by its own weight.

또한, 개방되었던 비상출입문(133)은 상기 복원스프링(137)의 탄성력에 의해 처짐방지바(136)가 원위치 되면서 자동적으로 닫치게된다.In addition, the emergency access door 133 that was opened is automatically closed as the deflection prevention bar 136 is returned to its original position by the elastic force of the restoration spring 137.

이상에서 설명한 바와 같은 본 고안인 방화 셔터는 자중에 의해 비상출입문이 처지게 되는 것이 방지됨은 물론 개폐가 원활하게 이루어지기 때문에 화재 발생시 구난자 들이 상기 비상출입문을 통해 보다 안전하면서도 신속하게 탈출할 수 있게됨으로 안전사고 예방에 대한 효율성을 향상시킬 수 있도록 하는 효과가 있다.As described above, the fire shutter according to the present invention prevents the emergency entrance door from sagging due to its own weight and smoothly opens and closes so that rescuers can escape more safely and quickly through the emergency door in case of fire. As a result, the efficiency of safety accident prevention can be improved.

또한, 본원 고안인 방화 셔터는 자중에 의해 비상출입문의 처짐이 근본적으로 해소되어 밀폐력이 향상되었기 때문에 화염, 연기, 유독가스 등에 의한 화재의 광역확산을 최소화 할 수 있도록 하는 효과가 있다.In addition, the fire shutter is designed according to the present invention has the effect that it is possible to minimize the wide-area spreading of the fire by the flame, smoke, toxic gas, etc. because the sealing power is improved by essentially eliminating the deflection of the emergency entrance door by its own weight.

또한, 본원 고안인 방화 셔터는 자중에 의한 비상출입문의 처짐을 방지하는 구성이 셔터부재의 일부분이 되도록 구성되어 방화 셔터의 권회가 원활하게 이루어지기 때문에 방화 셔터의 제품에 대한 신뢰성 및 안정성을 향상시킬 수 있도록 하는 효과가 있다.In addition, the fire prevention shutter of the present invention is designed to prevent sagging of the emergency entrance door due to its own weight to be a part of the shutter member, so that the winding of the fire shutter can be smoothly, thereby improving the reliability and stability of the fire protection shutter. It has the effect of making it possible.

Claims (3)

비상출입문(133)을 갖는 셔터부재(130)가 구비된 일반적인 방화 셔터(100)에 있어서, In the general fire shutter 100 is provided with a shutter member 130 having an emergency access door 133, 상호 인접되는 비상출입문(133)의 상단부와 셔터부재(130)에 각각 상호 포개지면서 접히거나 펼쳐지도록 일단부가 축핀(136) 결합된 처짐방지레일(134)과 지지레일(135)이 수평으로 배치되어 일체로 고정 결합되고, 상기 처짐방지레일(134)에는 걸림턱(134a)을 갖는 슬라이드홀(134b)이 길이방향을 따라 연이어 형성되며, 상기 지지레일(135)에는 상기 처짐방지레일(134)의 슬라이드홀(134b)에 삽입되는 처짐방지바(136)의 일단부가 회동 가능하게 힌지핀(138) 결합되고, 상기 처짐방지바(136)의 타단부에 상기 처짐방지레일(134)의 걸림턱(134a)에 걸려 슬라이드홀(134b)을 따라 이송되는 이송지지편(136a)이 결합되어 구성된 것을 특징으로 하는 방화 셔터.The sag prevention rail 134 and the support rail 135 having one end coupled to the shaft pin 136 are horizontally disposed to be folded or unfolded while being superimposed on the upper end of the emergency access door 133 and the shutter member 130 adjacent to each other. The slide hole 134b having a locking jaw 134a is successively formed along the longitudinal direction, and the support rail 135 is fixedly coupled to the deflection preventing rail 134. One end of the deflection prevention bar 136 inserted into the slide hole 134b is rotatably coupled to the hinge pin 138, and the locking step of the deflection prevention rail 134 at the other end of the deflection prevention bar 136 Fire prevention shutter, characterized in that configured to be coupled to the conveying support piece (136a) is fastened along the slide hole (134b) hanging on the 134a. 제 1 항에 있어서, 상기 지지레일(135)과 처짐방지바(136) 사이에 복원스프링(137)이 탄지되어 개방된 비상출입문(133)이 자동으로 닫힐수 있도록 구성된 것을 특징으로 하는 방화 셔터.The fire shutter as set forth in claim 1, wherein an emergency exit door (133) is opened between the support rails (135) and the deflection prevention bar (136) so as to be closed automatically. 제 1 항에 있어서, 상기 처짐방지바(136)의 이송지지편(136a)에 상기 처짐방지레일(134)의 슬라이드홀(134b)을 따라 이송되는 롤러(139)가 회전 가능하게 결합되어 구성된 것을 특징으로 하는 방화 셔터.The method of claim 1, wherein the roller 139 to be transported along the slide hole (134b) of the deflection prevention rail 134 to the conveying support piece (136a) of the deflection prevention bar 136 is configured to be rotatably coupled Fire prevention shutter characterized by the above.
KR2020060012173U 2006-05-08 2006-05-08 A fireproof shutter KR200423391Y1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101034384B1 (en) * 2010-10-22 2011-05-20 주식회사 에스에프앤에스 Emergency escape shutter
KR101230707B1 (en) 2011-09-08 2013-02-07 한국수력원자력 주식회사 Protection device for nuclear power plants over three generation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101034384B1 (en) * 2010-10-22 2011-05-20 주식회사 에스에프앤에스 Emergency escape shutter
KR101230707B1 (en) 2011-09-08 2013-02-07 한국수력원자력 주식회사 Protection device for nuclear power plants over three generation

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