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KR100816295B1 - A cable tray - Google Patents

A cable tray Download PDF

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Publication number
KR100816295B1
KR100816295B1 KR1020080000037A KR20080000037A KR100816295B1 KR 100816295 B1 KR100816295 B1 KR 100816295B1 KR 1020080000037 A KR1020080000037 A KR 1020080000037A KR 20080000037 A KR20080000037 A KR 20080000037A KR 100816295 B1 KR100816295 B1 KR 100816295B1
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KR
South Korea
Prior art keywords
rung
coupler
cable tray
rail
rails
Prior art date
Application number
KR1020080000037A
Other languages
Korean (ko)
Inventor
정윤석
Original Assignee
(주)광명이엔지
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by (주)광명이엔지 filed Critical (주)광명이엔지
Priority to KR1020080000037A priority Critical patent/KR100816295B1/en
Application granted granted Critical
Publication of KR100816295B1 publication Critical patent/KR100816295B1/en

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0456Ladders or other supports
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/04Protective tubing or conduits, e.g. cable ladders or cable troughs
    • H02G3/0406Details thereof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/30Installations of cables or lines on walls, floors or ceilings

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Drawers Of Furniture (AREA)

Abstract

A cable tray is provided not to be deformed in spite of high load by being firmly assembled without a bolt and a nut and prevent a safety accident by not being easily disassembled. A cable tray includes a pair of rails(10), a rung(20), and a coupling unit(30). The rung is installed between the pair of rails. The coupling unit couples the ring and the pair of rails. Each of the pair of rails has an insertion space composed of supporting pieces(13) to support both sides of the coupling unit and a holding piece to hold a lower part of the coupling unit. The rung has a receiving unit composed of an upper surface, both side surfaces, and a bending unit. The coupling unit has an insertion unit inserted into the receiving unit of the rung and a flange inserted into the insertion space of the rail.

Description

케이블 트레이{A Cable Tray}Cable Tray {A Cable Tray}

본 발명은 전력선이나 통신선 등의 케이블을 배선하기 위하여 설치되는 케이블 트레이에 관한 것으로, 더욱 자세하게는 케이블 트레이의 양측 레일과 그 사이에 일정 간격으로 배치되는 렁(rung)의 결합구조를 개선한 케이블 트레이에 관한 것이다.The present invention relates to a cable tray provided for wiring a cable such as a power line or a communication line, and more particularly, to a cable tray having an improved coupling structure of a runner disposed at regular intervals between both rails of the cable tray. It is about.

종래의 케이블 트레이에 관련한 기술로서 국내 특허등록번호 10-0740900이 있다.As a technology related to a conventional cable tray, there is a domestic patent registration number 10-0740900.

상기 종래기술은 양 측면프레임의 내측면에 슬롯부와 결합공을 형성하고 양 측면프레임의 사이에 배치되는 행거의 양단에는 상기 슬롯부와 결합공에 결합되는 절곡편과 돌출결합부를 형성하여 이들을 결합하도록 구성된 것인바,The prior art forms slots and coupling holes on the inner side surfaces of both side frames, and on both ends of the hangers disposed between the side frames, bent pieces and protrusion coupling portions coupled to the slots and coupling holes are combined. Configured to

상기의 종래기술은 측면프레임과 행거를 결합함에 있어 별도의 볼트.너트 등을 사용하지 않고도 쉽게 조립할 수 있다는 장점은 있으나, 다음과 같은 문제점도 있다.The prior art has the advantage that it can be easily assembled without using a separate bolt, nut, etc. in combining the side frame and the hanger, but also has the following problems.

즉, 케이블 트레이는 주로 건물골조의 천정에 매달아 설치되며 케이블을 설치할 때나 케이블을 증설 또는 수리할 때 작업자가 케이블 트레이 위에 올라가는 경우가 있는데 이때는 상당한 자체중량을 지닌 케이블에 사람의 몸무게가 더해져서 큰 중량이 케이블 트레이에 실리게 되며 이러한 때에 케이블 트레이의 구조가 약하면 측면프레임이 뒤틀릴 수가 있고 또 측면프레임의 상부가 안쪽으로 기울어지는 경우가 있어 이러한 현상은 안전사고의 발생요인이 되어 왔는바,In other words, the cable tray is mainly suspended from the ceiling of the building frame, and when the cable is installed or when the cable is extended or repaired, the worker climbs on the cable tray. In this case, if the structure of the cable tray is weak, the side frame may be distorted and the upper part of the side frame may be inclined inward. This phenomenon has been a cause of safety accident.

상기 종래기술은 측면상부가 안쪽으로 기울어지는 현상이 발생할 수 있는 구조로 되어 있다.The prior art has a structure in which the phenomenon that the side upper portion is inclined inward may occur.

즉 종래기술은 행거의 양단에서 직각으로 절곡 형성된 절곡편의 절곡부가 구조적으로 취약하여 큰 하중을 받으면 상기 직각 절곡부가 둔각으로 변형될 우려가 있는 문제점이 있다.That is, the prior art has a problem in that the bent portion of the bending piece formed at right angles at both ends of the hanger is structurally fragile and deforms the right angle bent portion to an obtuse angle when subjected to a large load.

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로, 케이블 트레이의 양측레일과 그 사이에 배치되는 렁의 결합구조를 큰 하중에도 견딜 수 있도록 견고하게 구성한 케이블 트레이를 제공함에 그 목적이 있다.SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a cable tray that is rigidly configured to withstand large loads in a coupling structure of both rails of a cable tray and a rung disposed therebetween.

상기와 같은 목적을 달성하기 위한 본 발명은, 한 쌍의 레일과, 이 레일의 사이에 세로로 배치되는 렁과, 이 렁을 레일에 결합하기 위한 결합구를 포함하되,The present invention for achieving the above object includes a pair of rails, a rung disposed vertically between the rails, and a coupler for coupling the rungs to the rails,

상기 레일은 측면의 소정 위치에 상기 결합구의 양측을 잡아주는 지지편과 하부를 받쳐주는 받침편으로 된 삽입공간이 형성되고,The rail has an insertion space formed of a support piece for holding both sides of the coupler and a support piece for supporting the lower portion at a predetermined position of the side surface,

상기 렁은 상면과 양 측면 및 절곡부로 이루어지는 수용부가 마련되며,The rung is provided with a receiving portion consisting of the upper surface and both sides and the bent portion,

상기 결합구는 상기 렁에 형성된 수용부에 삽입되는 삽입부가 형성되고 삽입부의 외측에 상기 레일에 형성된 삽입공간에 삽입되는 플랜지가 형성되는 특징과;The coupling unit is characterized in that the insertion portion is formed to be inserted into the receiving portion formed in the rung and the flange is inserted into the insertion space formed in the rail on the outside of the insertion portion;

상기 레일의 삽입공간의 후방에 탄성걸림편이 형성되고 상기 결합구의 배면에 상기 탄성걸림편과 대응하는 걸림홈이 형성되는 다른 특징과;Another feature in which an elastic catching piece is formed at a rear of the insertion space of the rail and a catching groove corresponding to the elastic catching piece is formed on a rear surface of the coupler;

상기 삽입공간의 받침편에 걸림편을 상향 절곡하고 상기 결합구의 바닥면에 상기 걸림편이 삽입되는 삽입공이 형성되는 또 다른 특징과;Another feature is that the engaging piece is bent upwardly to the support piece of the insertion space and the insertion hole is inserted into the bottom surface of the coupling sphere is inserted;

상기 렁의 양쪽 상면에 탄성걸림편이 형성되고 상기 결합구의 상면에 상기 탄성걸림편에 대응하는 걸림홈이 형성되는 또 다른 특징이 있다. An elastic locking piece is formed on both upper surfaces of the rung, and a locking groove corresponding to the elastic locking piece is formed on the upper surface of the coupler.

상기와 같은 특징을 지닌 본 발명은 볼트.너트 등을 사용하지 않고서도 조립이 가능하며 조립된 상태가 견고하여 큰 하중이 걸리더라도 변형될 염려가 없고 임의로 해체될 염려가 없어 안전사고 등이 미연에 방지되며 조립이 용이하여 작업속도가 신속하게 되는 등의 효과가 있다.The present invention having the features as described above can be assembled without the use of bolts, nuts, etc., the assembled state is solid, there is no fear of deformation even if a large load is applied, there is no fear of disassembly arbitrarily, safety accidents, etc. It is prevented and it is easy to assemble so that the working speed is quick.

이하, 본 발명의 구체적인 실시 예를 도면에 의거하여 상세히 설명하면 다음과 같다.Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.

도 1은 본 발명에 따른 케이블 트레이 단위체의 사시도이고, 도 2는 본 발명의 바람직한 실시 예에 따른 레일과, 렁과, 결합구의 분해 사시도이며, 도 3은 본 발명에 따른 레일의 요부 발췌 사시도이고, 도 4는 본 발명에 따른 결합구의 배면과 바닥면을 보여준 사시도이고, 도 5는 본 발명에 따른 레일의 부분 사시도이고, 도 6은 레일과 결합구의 결합상태를 보여주는 단면도이고, 도 7은 결합구와 렁의 결합상태를 보여주는 단면도이다.1 is a perspective view of a cable tray unit according to the present invention, Figure 2 is an exploded perspective view of a rail, a rung, a coupler according to a preferred embodiment of the present invention, Figure 3 is a perspective view of the main portion of the rail according to the present invention 4 is a perspective view showing the back and bottom of the coupling according to the invention, Figure 5 is a partial perspective view of the rail according to the invention, Figure 6 is a cross-sectional view showing a coupling state of the rail and the coupling, Figure 7 is a coupling This is a cross-sectional view showing the connection state of a sphere and a rung.

도면에 표현된 바와 같이, 본 발명은 한 쌍의 레일(10)과, 이 레일(10)의 사이에 세로로 배치되는 렁(20)과, 이 렁(20)과 레일(10)을 결합하기 위한 결합구(30)를 포함한다.As shown in the figure, the present invention is a pair of rails 10, the rung 20 is arranged vertically between the rails 10, the rung 20 and the rail 10 to combine It comprises a coupler 30 for.

상기 레일(10)은 상.하 절곡면(10a)이 형성되어 "ㄷ"형상으로 이루어지고, 적정 길이를 가지며 양단에는 연결수단인 구멍(11)이 천공되어 있다. The rail 10 has an upper and lower bent surface 10a formed in a "c" shape, and has a proper length and holes 11 which are connecting means at both ends thereof.

상기 레일(10)의 측면에는 소정의 간격을 유지하면서 상기 결합구(30)를 결합할 수 있는 삽입공간(12)이 형성되어 있다.An insertion space 12 may be formed at the side of the rail 10 to couple the coupler 30 with a predetermined distance therebetween.

상기 삽입공간(12)은 결합구(30)의 양측 플랜지(33)를 잡아주는 지지편(13)과, 하부를 잡아주는 받침편(14)과, 이 받침편(14)에서 상향 절곡된 걸림편(15)과, 결합구(30)가 상부로 이탈하지않게 하는 탄성걸림편(16)이 형성되어 있다. The insertion space 12 is a support piece 13 for holding the flanges 33 on both sides of the coupling sphere 30, a support piece 14 for holding the lower portion, the hook bent upward from the support piece (14) A piece 15 and an elastic catching piece 16 are formed to prevent the coupler 30 from escaping upward.

상기 렁(20)은 상면(21), 양 측면(22), 측면(22) 하단의 절곡부(23)로 만들어지는 수용부(24)가 마련되고 소정의 길이를 가지며 그 양단의 상면(21)에 탄성 걸림편(25)이 형성되어 있다.The rung 20 has an upper surface 21, both side surfaces 22, and a receiving portion 24 made of a bent portion 23 at the lower side of the side surface 22 and has a predetermined length and has an upper surface 21 at both ends thereof. The elastic locking piece 25 is formed.

상기 결합구(30)는 상기 렁(20)에 형성된 수용부(24)에 삽입되는 삽입부(31)가 형성되고 이 삽입부(31)의 상면에 걸림홈(32)이 형성되며 삽입부(31)의 외측에 플랜지(33)형성되고 이 플랜지(33)의 외측면에 걸림홈(34)이 형성되며 바닥면(35)에는 삽입공(36)이 형성되어 있다.The coupler 30 is formed with an insertion portion 31 inserted into the receiving portion 24 formed in the rung 20, the engaging groove 32 is formed on the upper surface of the insertion portion 31 and the insertion portion ( 31 is formed on the outside of the flange 33, the engaging groove 34 is formed on the outer surface of the flange 33, the insertion hole 36 is formed on the bottom surface (35).

상기와 같은 본 발명은 도 2와 같이 결합구(30)를 레일(10)의 삽입공간(12)에 삽입하면 삽입공간(12)의 양쪽 지지편(13)이 플랜지(33)의 양쪽을 감싸는 자세로 잡아주게 되고 탄성걸림편(16)은 도 6과 같이 결합구(30)의 플랜지(33)의 외측면에 형성된 걸림홈(34)에 걸려 결합구(30)가 상부로 이탈하는 것을 방지하는 한편 삽입공간(12)의 하부에 형성된 받침편(14)은 결합구(30)의 하단을 받쳐주면서 걸림편(15)은 결합구(30)의 바닥면(35)에 형성된 삽입공(36)에 삽입되어 결합구(30)의 지지상태를 더욱 견고하게 해준다. 또 도 6과 같이 상기 바닥면(35)은 상기 레일(10)의 하부 절곡면(10a)에 밀접한 상태로 받쳐지게 함으로써 결합구(30)가 안 정된 자세로 렁(20)의 하중을 받게 된다.In the present invention as described above, when the coupler 30 is inserted into the insertion space 12 of the rail 10 as shown in FIG. 2, both support pieces 13 of the insertion space 12 surround both sides of the flange 33. It is held in a posture and the elastic locking piece 16 is caught by a locking groove 34 formed on the outer surface of the flange 33 of the coupling hole 30 as shown in FIG. 6 to prevent the coupling hole 30 from escaping upward. On the other hand, the support piece 14 formed in the lower portion of the insertion space 12 supports the lower end of the coupler 30, while the locking piece 15 is inserted into the bottom hole 35 of the coupler 30 (36). Is inserted into the) to make the support state of the coupler 30 more robust. In addition, as shown in FIG. 6, the bottom surface 35 is in close contact with the lower bent surface 10a of the rail 10 so that the coupler 30 receives a load of the rung 20 in a stable posture. .

상기와 같이 레일(10)에 결합구(30)가 결합되면 이 결합구(30)에 렁(20)을 결속시킨다.When the coupler 30 is coupled to the rail 10 as described above, the rung 20 is coupled to the coupler 30.

즉 결합구(30)의 삽입부(31)를 렁(20)의 수용부(24)에 삽입하면 렁(20)의 상면(21)과 측면(22)과 하면의 절곡부(23)에 의해 결합구(30)를 잡아주게 되고, 렁(20)의 상면(21)에 형성된 탄성걸림편(25)이 결합구(30)의 상면(31)에 형성된 걸림홈(32)에 걸려 렁(20)이 결합구(30)로부터 이탈하는 것을 방지하게 된다.That is, when the inserting portion 31 of the coupling sphere 30 is inserted into the receiving portion 24 of the rung 20, the bent portion 23 of the upper surface 21 and the side surface 22 and the lower surface of the rung 20 is formed. To hold the coupler 30, the elastic engaging piece 25 formed on the upper surface 21 of the rung 20 is caught in the engaging groove 32 formed on the upper surface 31 of the coupler 30, the rung 20 ) Is prevented from leaving the coupler (30).

위와 같이 결합하는 본 발명은 결합구(30)에 의해서 렁(20)을 견고하게 지탱하고 있고 결합구조상 하중에 의해 변형될 만한 약한 구조가 없으므로 큰 하중이 걸리더라도 레일(10)이 비틀리거나 안쪽으로 기울어지는 것 등의 변형될 소지가 없고, 탄성걸림편이나 걸림홈에 의해 렁이 임의로 해체될 염려가 없어 배선작업이나 수리작업시에 안전사고 등이 미연에 방지되며, 볼트. 너트 등을 사용하지 않고서도 조립이 가능하여 트레이의 조립설치작업이 용이하고 신속하게 이루어지는 장점이 있다.The present invention, which is coupled as described above, firmly supports the rung 20 by the coupler 30, and there is no weak structure that can be deformed by the load due to the coupling structure. There is no possibility of deformation such as inclination, and there is no fear that the rung can be arbitrarily dismantled by elastic catching piece or catching groove, and safety accidents are prevented in advance during wiring work or repair work, and bolts. It is possible to assemble without using a nut, etc. There is an advantage that the assembly installation work of the tray is easy and quick.

도 1은 본 발명에 따른 케이블 트레이 단위체의 사시도 1 is a perspective view of a cable tray unit according to the present invention

도 2는 본 발명에 따른 레일, 렁, 결합구의 분해 사시도 Figure 2 is an exploded perspective view of the rail, rung, coupler according to the present invention

도 3은 본 발명에 따른 레일의 요부 발췌 사시도 Figure 3 is a perspective view of the main portion of the rail according to the present invention

도 4는 본 발명에 따른 결합구의 배면과 하면을 보여준 사시도 Figure 4 is a perspective view showing the back and bottom of the coupler according to the present invention

도 5는 본 발명에 따른 레일의 부분 사시도 5 is a partial perspective view of a rail according to the invention

도 6은 본 발명의 레일과 결합구의 결합상태를 보여주는 단면도 Figure 6 is a cross-sectional view showing a coupling state of the rail and the coupling sphere of the present invention

도 7은 본 발명의 결합구와 렁의 결합상태를 보여주는 단면도7 is a cross-sectional view showing a coupling state of the coupler and the rung of the present invention.

<도면의 주요부분에 대한 부호설명><Code Description of Main Parts of Drawing>

10; 레일 12; 삽입공간 13; 지지편 14; 받침편 15; 걸림편10; Rail 12; Insertion space 13; Support piece 14; Base 15; Jam

16; 탄성걸림편 20; 렁 21; 상면 22; 측면 23; 절곡부16; Elastic locking piece 20; Rung 21; Top face 22; Side 23; Bend

24; 수용부 25; 탄성걸림편 30; 결합구 31; 삽입부24; Receptacle 25; Elastic locking piece 30; Coupler 31; Insert

32; 걸림홈 33; 플랜지 34; 걸림홈 35; 바닥면 36; 삽입공32; Engaging groove 33; Flange 34; Locking groove 35; Bottom surface 36; Insertion hole

Claims (4)

한 쌍의 레일(10)과, 이 레일(10)의 사이에 세로로 배치되는 렁(20)과, 이 렁(20)과 레일(10)을 결합하기 위한 결합구(30)를 포함하되,It includes a pair of rails 10, the rung 20 which is arranged vertically between the rails 10, and a coupler 30 for coupling the rung 20 and the rail 10, 상기 레일(10)은 측면의 소정 위치에 상기 결합구(30)의 양측을 잡아주는 지지편(13)과 하부를 받쳐주는 받침편(14)으로 된 삽입공간(12)이 형성되고,The rail 10 has an insertion space 12 made of a support piece 13 for holding both sides of the coupler 30 and a support piece 14 for supporting the lower portion at a predetermined position of the side surface, 상기 렁(20)은 상면(21)과 양 측면(22) 및 절곡부(23)로 이루어지는 수용부(24)가 마련되며,The rung 20 is provided with a receiving portion 24 consisting of an upper surface 21, both side surfaces 22 and the bent portion 23, 상기 결합구(30)는 상기 렁(20)에 형성된 수용부(24)에 삽입되는 삽입부(31)가 형성되고 삽입부(31)의 외측에 상기 레일(10)에 형성된 삽입공간(12)에 삽입되는 플랜지(33)가 형성됨을 특징으로 한 케이블 트레이.The coupler 30 has an insertion portion 31 inserted into the receiving portion 24 formed in the rung 20 and an insertion space 12 formed in the rail 10 outside the insertion portion 31. Cable tray, characterized in that the flange 33 is inserted into the. 제1항에 있어서,The method of claim 1, 상기 레일(10)의 삽입공간(12)의 후방에 탄성걸림편(16)이 형성되고 상기 결합구(30)의 배면에 상기 탄성걸림편(16)과 대응하는 걸림홈(34)이 형성됨을 특징으로 하는 케이블 트레이.An elastic locking piece 16 is formed at the rear of the insertion space 12 of the rail 10, and a locking groove 34 corresponding to the elastic locking piece 16 is formed on the rear surface of the coupling hole 30. The cable tray which features. 제1항에 있어서,The method of claim 1, 상기 삽입공간(12)의 받침편(14)에 걸림편(15)을 상향 절곡하고 상기 결합구(30)의 바닥면(35)에 상기 걸림편(15)이 삽입되는 삽입공(36)이 형성됨을 특징으로 하는 케이블 트레이.The insertion hole 36 into which the locking piece 15 is bent upwardly to the support piece 14 of the insertion space 12 and the locking piece 15 is inserted into the bottom surface 35 of the coupling hole 30 is provided. Cable tray, characterized in that formed. 제1항에 있어서,The method of claim 1, 상기 렁(20)의 양쪽 상면에 탄성걸림편(25)이 형성되고 상기 결합구(30)의 상면에 상기 탄성걸림편(25)에 대응하는 걸림홈(32)이 형성됨을 특징으로 하는 케이블 트레이. The cable tray, characterized in that the elastic engaging piece 25 is formed on both upper surfaces of the rung 20, and the engaging groove 32 corresponding to the elastic engaging piece 25 is formed on the upper surface of the coupler 30. .
KR1020080000037A 2008-01-02 2008-01-02 A cable tray KR100816295B1 (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101323221B1 (en) * 2013-04-23 2013-10-30 김강민 Method for joinning cable tray by non-welding
KR101831953B1 (en) * 2017-09-12 2018-04-04 이윤철 Cable tray assembly for electrical construction
KR101946030B1 (en) * 2018-03-08 2019-04-17 주원철 Rung for cable tray
KR101980742B1 (en) 2018-02-26 2019-05-22 아인텍(주) Cable tray
WO2019156424A1 (en) * 2018-02-08 2019-08-15 주식회사 서한공업 Rung connecting structure for cable tray
KR102132854B1 (en) 2019-01-22 2020-07-10 최은수 Cable tray and assembling method thereof
KR102724806B1 (en) * 2023-11-20 2024-11-01 (주)디에이그룹엔지니어링종합건축사사무소 Easy-to-Assemble Electrical Cable Tray

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990034077U (en) * 1998-01-14 1999-08-16 임용선 cable tray
KR200193161Y1 (en) 2000-03-13 2000-08-16 주식회사코텍 Cable tray
KR100740900B1 (en) 2007-03-05 2007-07-19 이동언 Combining structure of a cable tray

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19990034077U (en) * 1998-01-14 1999-08-16 임용선 cable tray
KR200193161Y1 (en) 2000-03-13 2000-08-16 주식회사코텍 Cable tray
KR100740900B1 (en) 2007-03-05 2007-07-19 이동언 Combining structure of a cable tray

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101323221B1 (en) * 2013-04-23 2013-10-30 김강민 Method for joinning cable tray by non-welding
KR101831953B1 (en) * 2017-09-12 2018-04-04 이윤철 Cable tray assembly for electrical construction
WO2019156424A1 (en) * 2018-02-08 2019-08-15 주식회사 서한공업 Rung connecting structure for cable tray
KR101980742B1 (en) 2018-02-26 2019-05-22 아인텍(주) Cable tray
KR101946030B1 (en) * 2018-03-08 2019-04-17 주원철 Rung for cable tray
KR102132854B1 (en) 2019-01-22 2020-07-10 최은수 Cable tray and assembling method thereof
KR102724806B1 (en) * 2023-11-20 2024-11-01 (주)디에이그룹엔지니어링종합건축사사무소 Easy-to-Assemble Electrical Cable Tray

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