KR20030036531A - An apparatus which facilitates opening the sliding door - Google Patents

An apparatus which facilitates opening the sliding door Download PDF

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Publication number
KR20030036531A
KR20030036531A KR1020030023834A KR20030023834A KR20030036531A KR 20030036531 A KR20030036531 A KR 20030036531A KR 1020030023834 A KR1020030023834 A KR 1020030023834A KR 20030023834 A KR20030023834 A KR 20030023834A KR 20030036531 A KR20030036531 A KR 20030036531A
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KR
South Korea
Prior art keywords
sliding door
shaft
actuator
wheel
attached
Prior art date
Application number
KR1020030023834A
Other languages
Korean (ko)
Inventor
김영대
Original Assignee
김영대
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Application filed by 김영대 filed Critical 김영대
Priority to KR1020030023834A priority Critical patent/KR20030036531A/en
Publication of KR20030036531A publication Critical patent/KR20030036531A/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/18—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with counteracting springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/16—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with friction brakes
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/404—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function
    • E05Y2201/408—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for braking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/404—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function
    • E05Y2201/422—Motors; Magnets; Springs; Weights; Accessories therefore characterised by the function for opening
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00—Constructional elements; Accessories therefore
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefore
    • E05Y2201/47—Springs; Spring tensioners
    • E05Y2201/474—Compression springs
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132—Doors

Abstract

PURPOSE: A sliding door opening device is provided to open a sliding door easily by the principle of levers. CONSTITUTION: The sliding door opening device contains a working body(3) and stoppers(4a,4b) attached to a sliding door(1), and a friction plate(6) attached to a doorframe(2). And the working body(3) is coupled to the sliding door(1) by a shaft(9) to be rotated and provided with a wheel(8) and a knob(7), and the length from the shaft(9) to the knob is longer than the length from the shaft(9) to the wheel(8), and a coil spring(5) is rolled up the shaft(9) and connected with a lower stopper(4b) and the working body(3).

Description

미닫이문 열림장치{An apparatus which facilitates opening the sliding door}Sliding door opening device {An apparatus which facilitates opening the sliding door}

본 발명은 미닫이문 열림장치에 관한 것으로, 더욱 상세하게는 미닫이문에 작동체를 회전가능하도록 축으로 결합하고 상기 작동체의 일단에 바퀴를 결합하며 타단에 손잡이를 형성하되, 축으로부터 손잡이까지의 길이가 축으로부터 바퀴까지의 길이보다 더 길게 형성하여 적은 힘으로 용이하게 미닫이문을 열수 있도록 하는 미닫이문 열림장치에 관한 것이다.The present invention relates to a sliding door opening device, and more particularly, to couple the actuator to the sliding door to the rotatable shaft, to couple the wheel to one end of the actuator and to form a handle on the other end, from the shaft to the handle It relates to a sliding door opening device for forming a length longer than the length from the shaft to the wheel to easily open the sliding door with a small force.

일반적인 미닫이문은 하단에 홈이 형성되어 있고, 상기 홈에 부합하는 레일이 바닥면에 부착되어 있어 상기 레일을 따라 미닫이문이 움직여 개폐되도록 되어있다.A common sliding door has a groove formed at the bottom thereof, and a rail corresponding to the groove is attached to the bottom surface to move the sliding door along the rail to open and close.

그런데, 일반적으로 정지마찰계수가 운동마찰계수보다 크므로 미닫이문을 처음 움직이게 하는데 큰 힘이 드는 반면 한번 움직이기 시작한 미닫이문은 상대적으로 적은 힘만 들여도 계속해서 움직이게 된다.However, in general, since the static friction coefficient is larger than the motion friction coefficient, it is difficult to move the sliding door for the first time, while the sliding door that starts to move once moves continuously with relatively little force.

또한, 문틀에는 눈썹(미닫이문이 닫혔을때 외풍이 들어오는 것을 막도록 미닫이문과 밀착되어 있는 부분)이 설치되어 있는데 이 눈썹은 외풍이 들어오는 것을 막기 위해 미닫이문과 밀착되어 있으므로 미닫이문이 닫혀있는 상태에서 열기 위해서는 더욱 큰 힘이 필요로 한다.In addition, the door frame is equipped with eyebrows (parts that are in close contact with the sliding doors to prevent the draft from entering when the sliding doors are closed). More heat is needed to open it.

더욱이, 현대 주택의 베란다 등에 사용되는 미닫이문은 크기가 크고 그 무게도 많이 나가므로 미닫이문을 최초로 움직이도록 하는데 큰 힘이 필요하므로 어린이나 노약자들이 미닫이문을 열기 힘든 문제점이 있었다.In addition, the sliding doors used in the veranda of the modern house is large in size and weighs a lot, and thus requires a great power to move the sliding doors for the first time, so that children or the elderly have difficulty opening the sliding doors.

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로 지렛대 원리를 이용하여 적은 힘으로 미닫이문을 열수 있도록 하는데 그 목적이 있다.The present invention is to solve the above problems is to use the principle of the lever to open the sliding door with a small force.

이러한 목적을 달성하기 위하여 미닫이문에 작동체를 회전가능하도록 축으로 연결하고 상기 작동체의 일단에 바퀴를 결합하며 타단에 손잡이를 부착하되 축으로부터 손잡이까지의 길이가 축으로부터 바퀴까지의 길이보다 길게 형성하여 손잡이를 잡고 작동체를 회전시키면 바퀴가 문틀에 부착된 마찰판을 밀어 미닫이문이 쉽게 열리는데 본 고안의 특징이 있다.In order to achieve this purpose, the actuator is rotatably connected to the sliding door, the wheel is coupled to one end of the actuator, and the handle is attached to the other end, and the length from the shaft to the handle is longer than the length from the shaft to the wheel. Formed by holding the handle and rotating the actuator, the wheel is pushed the friction plate attached to the door frame is easy to open the sliding door is a feature of the present invention.

도 1은 본 발명의 미닫이문 열림장치가 닫혀있는 상태를 도시한 개략도이다.1 is a schematic view showing a state in which the sliding door opening device of the present invention is closed.

A : 미닫이문 열림장치가 닫혀있는 상태도A: The state that the sliding door opening device is closed

B : A도의 부분확대도B: Partial magnification of A degree

도 2는 본 발명의 미닫이문 열림장치를 이용하여 미닫이문이 일부 열리는 상태를 도시한 개략도이다.Figure 2 is a schematic diagram showing a part of the sliding door opening state using the sliding door opening device of the present invention.

A : 미닫이문이 일부 열린 상태도A: Some sliding doors are open

B : A도의 부분확대도B: Partial magnification of A degree

도 3은 본 발명 미닫이문 열림장치의 다른 실시예이다.3 is another embodiment of the sliding door opening device of the present invention.

A : 미닫이문 열림장치가 닫혀있는 상태도A: The state that the sliding door opening device is closed

B : A도의 부분확대도B: Partial magnification of A degree

도 4는 도 3의 발명을 이용하여 미닫이문이 일부 열린 상태를 도시한 개략도이다.4 is a schematic view showing a partially open state of the sliding door using the invention of FIG.

A : 미닫이문이 일부 열린 상태도A: Some sliding doors are open

B : A도의 부분확대도B: Partial magnification of A degree

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1 : 미닫이문 2 : 문틀1: sliding door 2: door frame

3, 3' : 작동체 4a, 4b, 4c : 스토퍼3, 3 ': actuator 4a, 4b, 4c: stopper

5 : 코일스프링 6, 6' : 마찰판5: coil spring 6, 6 ': friction plate

7 : 손잡이 8, 8' : 바퀴7: handle 8, 8 ': wheel

9, 9' : 축 10 : 발판9, 9 ': shaft 10: scaffold

11 : 스프링11: spring

d, d' : 축으로부터 손잡이까지의 길이d, d ': length from shaft to handle

D, D' : 축으로부터 바퀴까지의 길이D, D ': Length from shaft to wheel

본 발명의 바람직한 실시예를 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.When described in detail with reference to the accompanying drawings a preferred embodiment of the present invention.

본 발명의 미닫이문 열림장치는 도 1 및 2에 도시된 바와 같이 미닫이문(1)에 작동체(3)와 스토퍼(stopper)(4a)(4b)가 부착되어 있고, 이에 대항하는 문틀(2)에 마찰판(6)이 부착되어 있다.In the sliding door opening device of the present invention, the actuator 3 and the stopper 4a and 4b are attached to the sliding door 1, as shown in FIGS. 1 and 2, and the door frame 2 opposed thereto. ), A friction plate 6 is attached.

작동체(3)는 일반적인 막대형태로 회전가능하도록 축(9)으로 미닫이문에 결합되어 있고, 상기 작동체(3)의 일단에 바퀴(8)가 부착되어 있으며 타단은 손잡이(7)가 형성되어 있는데, 축(9)으로부터 손잡이(7)까지의 길이(d)가 축(9)으로부터 바퀴(8)까지의 길이(D)보다 더 길게 형성되어 있으므로 지렛대 원리에 의하여 손잡이(7)에 적은 힘을 가해도 바퀴(8)에서 큰 힘을 작용하게 된다.The actuator 3 is coupled to the sliding door with a shaft 9 so as to be rotatable in a general rod shape, and a wheel 8 is attached to one end of the actuator 3 and the other end is formed with a handle 7. Since the length (d) from the shaft (9) to the handle (7) is formed longer than the length (D) from the shaft (9) to the wheels (8), Even if a force is applied, a large force is exerted on the wheel 8.

바퀴(8)는 작동체(3)가 회전하며 문틀(2)에 부착된 마찰판(6)을 밀때 작동체(3)가 원활히 움직일 수 있도록 하는 것으로, 작동체(3)의 일단에 부착되어 있다.The wheel 8 allows the actuator 3 to move smoothly when the actuator 3 rotates and pushes the friction plate 6 attached to the door frame 2, and is attached to one end of the actuator 3. .

스토퍼(stopper)(4a)(4b)는 작동체(3)의 회전을 제한하여 미닫이문(1)에 힘이 가해지도록 하는 것으로, 상부스토퍼(4a)와 하부스토퍼(4b)가 미닫이문(1)에 부착되어 있는데, 상부스토퍼(4a)는 미닫이문(1)을 닫을때 작동체(3)의 회전을 제한하며 동시에 작동체(3)가 미닫이문(1)에 부착된 상부스토퍼(4a)를 밀어줌으로써 미닫이문(1)에 힘이 가해져 닫히도록 하고, 하부스토퍼(4b)는 미닫이문(1)을 열때 작동체(3)가 최대로 회전할 수 있는 각도를 제한한다.The stoppers 4a and 4b restrict the rotation of the actuator 3 so that a force is applied to the sliding door 1, and the upper stopper 4a and the lower stopper 4b are the sliding door 1 The upper stopper 4a restricts the rotation of the actuator 3 when the sliding door 1 is closed and at the same time the upper stopper 4a having the actuator 3 attached to the sliding door 1. A force is applied to the sliding door 1 by pushing the lower stopper, and the lower stopper 4b restricts the angle at which the actuator 3 can rotate to the maximum when the sliding door 1 is opened.

한편, 상기 상부스토퍼(4a)와 하부스토퍼(4b)의 위치는 미닫이문(1)의 구조 및 크기 등에 따라서 달라질 수 있으며, 미닫이문(1)을 개폐할 때 사용자가 편한 자세에서 손잡이(7)에 힘을 가할 수 있는 위치면 바람직하다.On the other hand, the position of the upper stopper (4a) and the lower stopper (4b) may vary depending on the structure and size of the sliding door (1), the handle 7 in a comfortable position when the user opens and closes the sliding door (1) It is desirable to have a position where the force can be applied.

또한, 상기 축(9)에는 코일스프링(5)이 감겨 있는데, 이 코일스프링(5)의 일단은 하부스토퍼(4b)에 연결되어 있고 타단은 작동체(3)에 연결되어 있어 손잡이(7)에 가하는 힘을 제거하면 작동체(3)가 지정된 위치로 돌아가 상부스토퍼(4a)에 닿도록 탄성력을 제공한다.In addition, the coil spring (5) is wound around the shaft (9), one end of the coil spring (5) is connected to the lower stopper (4b) and the other end is connected to the actuator (3) handle (7) Removing the force exerted on it provides the elastic force to return the actuator 3 to the designated position and contact the upper stopper 4a.

마찰판(6)은 금속 등의 단단한 재질로 되어 있어 문틀에 흠집이 생기는 것을 방지하고 작동체(3)가 회전하면서 바퀴(8)에 전달된 힘을 반작용법칙에 의해 미닫이문(1)에 전달하여 미닫이문(1)이 열리도록 하는 것으로, 작동체(3)를 회전시키면 상기 마찰판(6)에 닿아있는 바퀴(8)가 마찰판(6) 위를 움직이며 마찰판(6)을 밀게 되고 반작용에 의해 미닫이문(1)이 열리게 된다.The friction plate 6 is made of a hard material such as metal to prevent scratches on the door frame and transmits the force transmitted to the wheel 8 to the sliding door 1 by the reaction law as the actuator 3 rotates. The sliding door 1 is opened, and when the actuator 3 is rotated, the wheels 8 which are in contact with the friction plate 6 move on the friction plate 6 and push the friction plate 6 and react by the reaction. The sliding door 1 is opened.

한편, 도 3 및 4에 도시된 바와 같이 미닫이문(1)의 하부에 ""형의 작동체(3')를 회전가능하도록 축(9')으로 결합하고, 상기 작동체(3')의 일단에는 바퀴(8')를 부착하며 타단에는 발판(10)을 마련하되, 축(9')으로부터의 발판(10)까지의 길이(d')가 축(9')으로부터 바퀴(8')까지의 길이(D')보다 더 길게 형성되어 있고, 상기 축(8')의 수평위치에는 스토퍼(4c)가 부착되어 있으며, 이 스토퍼(4c)와 작동체(3') 사이에 스프링(11)을 설치하고, 문틀(2) 하부에 마찰판(6')을 부착하여 발판(10)을 발로 밟으면 작동체(3')가 회전하면서 바퀴(8')로 마찰판(6')을 밀어 더욱 용이하게 미닫이문(1)을 열수 있도록 할 수 있다.Meanwhile, as shown in FIGS. 3 and 4, the lower portion of the sliding door 1 is located at the bottom of the sliding door 1. "Shaft actuator (3 ') is coupled to the shaft (9') to be rotatable, one end of the actuator (3 ') is attached to the wheel (8') and the other end is provided with a footrest (10), The length d 'from the shaft 9' to the footrest 10 is formed longer than the length D 'from the shaft 9' to the wheels 8 ', and the shaft 8' A stopper 4c is attached to the horizontal position of the stopper. A spring 11 is provided between the stopper 4c and the actuator 3 ', and a friction plate 6' is attached to the lower part of the door frame 2 to provide a foothold. When stepping on (10) with the foot can rotate the actuator (3 ') to push the friction plate (6') with the wheel (8 ') it is possible to more easily open the sliding door (1).

본 발명의 작동을 상세히 설명하면 다음과 같다.Referring to the operation of the present invention in detail as follows.

미닫이문(1)이 닫혀있으면 작동체(3)는 상부스토퍼(4a)에 접촉되어 있고, 바퀴(8)는 마찰판(6)에 접촉한 상태에 있는데, 미닫이문(1)을 열기 위해 손잡이(7)를 잡고 회전시키면 바퀴(8)가 회전하며 마찰판(6)을 밀게 된다.When the sliding door 1 is closed, the actuator 3 is in contact with the upper stopper 4a, and the wheel 8 is in contact with the friction plate 6, and the handle (for opening the sliding door 1) 7) When grasping and rotating, the wheel (8) is rotated to push the friction plate (6).

이때, 축(9)으로부터 손잡이(7)까지의 거리(d)가 축(9)으로부터 바퀴(8)까지의 길이(D)보다 길게 형성되어 있으므로 지렛대의 원리에 의하여 적은 힘으로 손잡이(7)를 회전시켜도 바퀴(8)는 큰 힘으로 마찰판(6)을 밀게 되므로 미닫이문(1)이 쉽게 열리게 되며, 또 정지마찰계수에 비해 운동마찰계수가 더 작으므로 한번 움직이기 시작한 미닫이문(1)은 적은 힘을 들여도 계속 움직이게 된다.At this time, since the distance (d) from the shaft (9) to the handle (7) is formed longer than the length (D) from the shaft (9) to the wheel (8), the handle (7) with a small force according to the principle of the lever Even if it rotates, the wheel (8) pushes the friction plate (6) with a large force, so the sliding door (1) is easily opened, and since the motion friction coefficient is smaller than the static friction coefficient (1) Will continue to move with little effort.

한편, 미닫이문(1)을 열기위해 손잡이(7)에 가하던 힘을 제거하면 작동체(3)는 코일스프링(5)의 탄성력에 의해 본래의 위치(상부스토퍼(4a)와 닿아있는 위치)로 돌아가게 되는데, 미닫이문(1)을 닫기 위해 문(1)을 열때의 반대방향으로 손잡이(7)에 힘을 가하면 상부스토퍼(4a)에 힘이 가해지게 되고, 이 힘으로 인해 미닫이문(1)이 닫히게 된다.On the other hand, if the force exerted on the handle 7 to open the sliding door 1 is removed, the actuator 3 is in its original position by the elastic force of the coil spring 5 (the position in contact with the upper stopper 4a). If the force to the handle (7) in the opposite direction to open the door (1) to close the sliding door (1) is applied to the upper stopper (4a), this force causes the sliding door ( 1) is closed.

본 발명은 미닫이문을 열때 지렛대 원리에 의하여 손잡이에 적은 힘을 가하여도 마찰판에 큰 힘을 가하게 되므로 적은 힘으로 쉽게 미닫이문이 움직일 수 있도록 하고, 움직이기 시작한 미닫이문은 적은 힘을 가하여도 계속 움직이므로 어린이나 노약자들도 미닫이문을 용이하게 열 수 있으며, 장치가 간단하여 설치에 어려움이 없으며 시공비가 적게드는 장점이 있다.According to the present invention, when a sliding door is opened, a large force is applied to the friction plate even though a small force is applied to the handle according to the principle of the lever, so that the sliding door can be easily moved with a small force, and the sliding door that starts to move continues to move even with a small force. Therefore, children or elderly people can easily open the sliding door, the device is simple, there is no difficulty in installation and there is an advantage that the construction cost is low.

Claims (2)

미닫이문(1)에 작동체(3)와 스토퍼(4a)(4b)가 부착되어 있고, 이에 대항하는 문틀(2)에 마찰판(6)이 부착되어 있는데, 작동체(3)는 회전가능하도록 축(9)으로 미닫이문(1)에 결합되어 있고, 상기 작동체(3)의 일단은 바퀴(8)가 부착되어 있으며 타단은 손잡이(7)가 형성되어 있되, 축(9)으로부터 손잡이까지의 길이(d)가 축(9)으로부터 바퀴(8)까지의 길이(D)보다 더 길게 형성되어 있으며, 상기 축(9)에는 코일스프링(5)이 감겨 있되, 이 코일스프링(5)의 일단은 하부스토퍼(4b)에 연결되어 있고, 타단은 작동체(3)에 연결되어 있는 것을 특징으로 하는 미닫이문의 열림장치.An actuator 3 and a stopper 4a, 4b are attached to the sliding door 1, and a friction plate 6 is attached to the door frame 2 opposed thereto, so that the actuator 3 is rotatable. It is coupled to the sliding door (1) by the shaft (9), one end of the actuator (3) is attached to the wheel (8) and the other end is formed with a handle (7), from the shaft (9) to the handle Is formed longer than the length (D) from the shaft (9) to the wheel (8), the coil spring (5) is wound around the shaft (9), the coil spring (5) One end is connected to the lower stopper (4b), the other end of the sliding door opening device, characterized in that connected to the actuator (3). 제 1항에 있어서, 미닫이문(1)의 하부에 ""형의 작동체(3')를 축(9')으로 결합하고, 상기 작동체(3')의 일단은 바퀴(8')가 부착되어 있으며 타단은 발판(10)을 마련하되, 축(9')으로부터 발판(10)까지의 길이(d')가 축(9')으로부터 바퀴(8')까지의 길이(D')보다 더 길게 형성되어 있고, 상기 축(9')의 수평위치에는 스토퍼(4c)가 부착되어 있으며, 이 스토퍼(4c)와 작동체(3') 사이에 스프링(11)이 설치되어 있는 것을 특징으로 하는 미닫이문의 열림장치.2. The sliding door according to claim 1, further comprising: &Quot; shaped actuator 3 'is coupled to the shaft 9', one end of the actuator 3 'is provided with wheels 8' and the other end is provided with a footrest 10, but the shaft ( The length d 'from 9' to the footrest 10 is formed longer than the length D 'from the shaft 9' to the wheel 8 ', and the horizontal position of the shaft 9'. A stopper (4c) is attached to the opening device of the sliding door, characterized in that the spring (11) is provided between the stopper (4c) and the actuator (3 ').
KR1020030023834A 2003-04-15 2003-04-15 An apparatus which facilitates opening the sliding door KR20030036531A (en)

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