KR101240361B1 - A stage setting of a rotation object for multistage reduction device - Google Patents

A stage setting of a rotation object for multistage reduction device Download PDF

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KR101240361B1
KR101240361B1 KR1020110014675A KR20110014675A KR101240361B1 KR 101240361 B1 KR101240361 B1 KR 101240361B1 KR 1020110014675 A KR1020110014675 A KR 1020110014675A KR 20110014675 A KR20110014675 A KR 20110014675A KR 101240361 B1 KR101240361 B1 KR 101240361B1
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South Korea
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deceleration
delay timer
primary
connecting shaft
tube
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KR1020110014675A
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Korean (ko)
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KR20120095171A (en
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김형준
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주식회사 평화전력
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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • G03B21/58—Projection screens collapsible, e.g. foldable; of variable area
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J1/00—Stage arrangements
    • A63J1/02—Scenery; Curtains; Other decorations; Means for moving same
    • A63J1/028—Means for moving hanging scenery
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J1/00—Stage arrangements
    • A63J1/02—Scenery; Curtains; Other decorations; Means for moving same
    • A63J2001/022—Scenery; Curtains; Other decorations; Means for moving same wound up when not in use

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid-Damping Devices (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Unwinding Of Filamentary Materials (AREA)

Abstract

본 발명의 무대장치용 회전대상물 감속장치는 회전관의 타측 내부에 밀착되게 수용되는 드럼관과; 상기 드럼관의 전방 내면에 삽입되는 1차 감속부재와; 상기 1차 감속부재에 감겨있는 감속스프링과; 상기 드럼관 후방 내면에 삽입되면서 내부에 점성물질인 오일이 채워지는 2차 오일감속부재와; 상기 1차 감속부재와 2차 오일감속부재 사이에 연결 설치되는 복수 개의 감속지연타이머부재와; 상기 감속지연타이머부재와 전기적으로 연결되는 리모컨으로 이루어진 것에 있어서,
상기의 1차 감속부재에는 양측으로 연결축이 일체화되어 일측 연결축은 회전관의 일측 내부에 수용되어 토션스프링이 길이방향으로 길게 감겨있는 샤프트부재에 연결되며, 타측 연결축은 간격유지부재에 관통되어 감속지연타이머부재중 일단의 감속지연타이머부재에 연결되고, 타단의 감속지연타이머부재는 실린더의 연결축을 관통하는 2차 오일감속부재의 연결축에 연결되며, 상기의 2차 오일감속부재는 고정부재에 의해 드럼관의 타측 내부에 밀착되게 수용되는 실린더 내부에 수용되고, 상기 감속부품이 수용된 드럼관은 그 타단이 마감부재로 마감되며, 상기 1차 감속부재의 외경에 감겨있는 감속스프링은 일측에 걸림돌기가 돌출되며, 걸림돌기는 드럼관 전방 내부의 걸림홈에 걸려 단속 되고, 상기 1차 감속부재의 외경과, 1차 감속부재의 외경에 감겨있는 감속스프링의 내경 비율은 1:1로 이루어지면서, 1차 감속부재의 길이방향으로 길게 감겨 질수록 감속이 더 지연되고, 상기 복수 개의 감속지연타이머부재는 전,후로 대칭이 되는 계합돌기로 연결되고, 상기 감속지연타이머부재중 양측의 감속지연타이머부재는 회전되지않고 단지 연결만 되며, 중앙의 감속지연타이머부재는 상기 계합돌기가 마주칠 때 회전되고, 상기 실린더의 연결축과 연결축을 관통하는 2차 오일감속부재의 연결축 틈새에는 O링이 게재되어 내부에 채워진 점성물질인 오일이 감속지연타이머 부재 측으로 새지 않게 됨을 특징으로 한다..Rotating object reduction device for a stage device of the present invention is a drum tube accommodated in close contact with the other side of the rotary tube; A primary deceleration member inserted into the front inner surface of the drum tube; A deceleration spring wound around the primary deceleration member; A secondary oil reduction member inserted into the rear inner surface of the drum tube and filled with an oil having a viscosity therein; A plurality of deceleration delay timer members connected between the primary reduction member and the secondary oil reduction member; In the one consisting of a remote control electrically connected to the deceleration delay timer member,
The connecting shaft is integrated on both sides of the primary deceleration member so that one connecting shaft is accommodated in one side of the rotary tube and connected to the shaft member in which the torsion spring is wound in the longitudinal direction, and the other connecting shaft penetrates the gap maintaining member to reduce the speed. One end of the delay timer member is connected to the deceleration delay timer member, and the other end of the deceleration delay timer member is connected to the connection shaft of the secondary oil reduction member penetrating the connecting shaft of the cylinder, and the secondary oil reduction member is fixed by the fixing member. The drum tube accommodated in close contact with the other side of the drum tube, the drum tube containing the deceleration component is closed with the other end of the closing member, the deceleration spring wound around the outer diameter of the primary deceleration member has a locking projection on one side Protruding, the locking projection is caught by the locking groove in the front of the drum tube, and is interrupted, the outer diameter of the primary reduction member, the outer diameter of the primary reduction member The inner diameter ratio of the decelerating spring wound is 1: 1, and the longer the winding in the longitudinal direction of the primary deceleration member is, the more the deceleration is delayed, and the plurality of deceleration delay timer members are symmetrically engaged back and forth. The deceleration delay timer member of both sides of the deceleration delay timer member is not connected but merely connected, and the deceleration delay timer member of the center rotates when the engaging projection encounters the penetrating shaft and penetrates the connecting shaft and the connecting shaft of the cylinder. O-ring is placed in the gap of the connecting shaft of the secondary oil reduction member so that the oil, which is a viscous material filled inside, does not leak to the deceleration delay timer member side.

Description

무대장치용 회전대상물의 감속장치{A stage setting of a rotation object for multistage reduction device}A stage setting of a rotation object for multistage reduction device}

본 발명은 무대장치로 사용되는 회전대상물(예를 들어 전동스크린, 전동현수막, 전동태극기 등)이 리모콘의 작동에 의해 하측으로 내려올 때는 작동되지 않고, 리모콘의 작동에 의해 상측으로 감겨 올라가면서 회전관에 수용되는 드럼관 내부 일측 토션스프링의 탄성이 가해져 그 탄성 정도에 따라 급속하게 감겨 올라갈 때만 작동되는 무대장치용 회전대상물의 감속장치에 관한 것으로, 더욱 상세하게는 회전관에 감겨있는 전동스크린이나 전동현수막 및 전동태극기(이하 "회전대상물" 이라함)등이 리모콘의 작동에 의해 상측으로 감겨 올라가면서 회전관에 수용되는 드럼관 내부 일측 토션스프링의 탄성이 가해져 그 탄성 정도에 따라 급속하게 감겨 올라갈 때, 회전관에 수용되는 드럼관 전방 내면의 1차 감속부재에 의해 1차 감속이 이루어짐과 동시에 다시 드럼관 후방 내면의 2차 오일감속부재의 원심력으로 내부에 채워진 오일의 유동에 의한 마찰 저항을 통해 2차 감속이 이루어짐에 따라 회전관의 회전속도를 감소시켜 회전관에 감겨지는 회전대상물이 상측으로의 감김 속도가 크게 감속되면서 감김 작동시 회전대상물을 구성하는 어셈블리에 과부하가 걸리는 것이 방지되어 그에 따른 고장발생의 원인을 사전에 차단하여 회전대상물의 사용수명을 향상시킴은 물론 상기 회전대상물의 감김 작동이 보다 부드럽고 안전할 뿐 아니라 감김 작동중 소음이 전혀 발생 됨이 없어 조용하고 쾌적한 실내 환경을 조성할 수 있도록 하는 무대장치용 회전대상물의 감속장치에 관한 것이다. The present invention does not operate when the rotating object (for example, electric screen, electric banner, electric taegukgi, etc.) used as a stage device descends to the lower side by the operation of the remote control, and is wound up to the upper side by the operation of the remote control. It relates to a deceleration device of a rotating object for a stage device which is operated only when the torsion spring is elastically applied to the drum tube and is rapidly wound up according to the degree of elasticity. More specifically, the electric screen or the electric motor wound around the rotary tube When a banner and an electric Taegeukgi (hereinafter referred to as "rotation object") are rolled up by the operation of the remote control, and one side of the torsion spring inside the drum tube accommodated in the rotating tube is elastically wound up rapidly according to its elasticity. The primary deceleration is made by the primary deceleration member on the front inner surface of the drum tube accommodated in the rotating tube. Again, as the secondary deceleration is performed through frictional resistance caused by the flow of oil filled inside by the centrifugal force of the second oil reducing member on the inner surface of the drum tube, the rotating object of the rotary tube is wound up by reducing the rotational speed of the rotary tube. While the winding speed is greatly reduced, the overload is prevented from being applied to the assembly constituting the rotating object during the winding operation, thereby preventing the cause of failure in advance, thereby improving the service life of the rotating object, as well as winding the rotating object. The present invention relates to a deceleration device for a rotating object for a stage device that is softer and safer to operate and has no noise generated during the winding operation to create a quiet and comfortable indoor environment.

일반적으로 무대장치에 적용되는 회전대상물인 전동스크린이나 전동현수막 및 전동태극기 등이 리모콘의 작동에 의해 상측으로 감겨 올라갈 때, 회전관에 수용되는 드럼관 내부 일측 토션스프링의 탄성이 가해지면서 그 탄성 정도에 따라 급속하게 감겨 지게 되는데, 종래 무대장치에 적용되는 회전대상물에는 본 발명에서와 같은 감속장치가 구비되지 않아 회전대상물이 급속하게 감겨 지는 회전관의 회전속도에 의해 회전대상물을 구성하는 어셈블리에 과부하가 걸리면서 발열이 발생됨 에 따라 고장발생의 원인이 되어 회전대상물의 사용수명을 단축시킴은 물론 사용중 회전대상물의 급속한 감김 작동으로 사용자나 주위를 놀라게 하는 등 전반적으로 안전성이 결여될 뿐 아니라 감김 작동중 심한 소음을 발생하는 단점이 있다.In general, when a rotating screen applied to a stage device, an electric banner, an electric Taegeukgi, and the like are wound up by the operation of a remote controller, the elasticity of one torsion spring inside the drum tube accommodated in the rotating tube is applied. According to the present invention, the rotating object applied to the conventional stage device is not provided with a deceleration device as in the present invention, so that the assembly constituting the rotating object is overloaded by the rotational speed of the rotating tube in which the rotating object is rapidly wound. As a result of the heat generation, it causes the failure and shortens the service life of the rotating object, as well as the overall safety, such as surprises the user or the surroundings due to the rapid winding operation of the rotating object during use. It has the disadvantage of generating noise.

예컨대 회전대상물이 회전관에 감기어 리모콘의 작동에 의해 상측으로 감겨 올라갈 때, 비틀림 압력을 받고 있는 토션스프링의 탄성력이 가해지면서 하측으로 내려올 때와는 달리 급속하게 감기게 되는 것인데, 이때 회전대상물이 회전관에 감겨 질수록 가속도가 붙어 더욱 빠른 속도로 감겨 지면서 회전대상물을 구성하는 어셈블리에 과부하가 걸리면서 발열이 발생 됨에 따라 고장발생의 원인이 되었고, 이로 인해 회전대상물의 사용수명을 단축시키게 되며, 또한 사용중 회전대상물의 급속한 감김 작동으로 인해 주위 또는 사용자를 놀라게 하는 등 전반적으로 안전성이 결여될 뿐 아니라 이러한 급가속에 의해 소음이 발생되거나 또는 회전대상물 하단의 테두리바가 회전대상물을 매립 수용하는 천정패널 등에 부딪치면서 심한 소음이 발생 되는 문제가 있다.For example, when the rotating object is wound on the rotating tube and wound up by the operation of the remote controller, the torsion spring under the torsional pressure is applied rapidly and unlike the lowering case, the rotating object is wound rapidly. As it is wound on the rotating tube, it is accelerated and wound at a higher speed, causing overheating of the assembly constituting the rotating object, causing heat generation, and shortening the service life of the rotating object. The rapid winding operation of the rotating object not only causes a lack of safety, such as alarming the surroundings or users, but also generates noise due to such rapid acceleration, or the border bar at the bottom of the rotating object hits a ceiling panel that accommodates the rotating object. Doors with heavy noise I am.

본 발명은 상기에서와 같은 종래 무대장치용 회전대상물이 드럼관이 수용되는 회전관에 감기어 리모콘의 작동에 의해 상측으로 감겨 올라가면서, 비틀림 압력을 받고 있는 토션스프링의 탄성력이 가해져 하측으로 내려올 때와는 달리 급속하게 감기게 될 때의 문제점을 해결하기 위하여 안출된 것으로, 이를 위해 회전대상물이 감겨진 회전관에 수용되는 드럼관 전,후방 내면의 1차 감속부재 및 2차 오일감속부재와 유기적으로 결합 되는 복수 개의 감속지연타이머부재가 회전관의 회전속도를 1,2차 즉, 다단으로 감속시킴으로써, 리모콘의 작동에 의해 회전대상물이 상측으로 감겨 올라갈 때, 회전대상물이 상측으로의 감김 속도가 크게 감속되면서 감김 작동시 회전대상물을 구성하는 어셈블리에 과부하가 걸리는 것이 방지되어 그에 따른 고장발생의 원인을 사전에 차단하여 회전대상물의 사용수명을 향상시킴은 물론 회전대상물이 회전관에 감기는 전 구간 동안 부드럽게 감겨올라가, 회전대상물의 사용이 보다 안전함과 아울러 소음이 방지되어 조용하고 쾌적한 실내환경을 조성할 수 있도록 하는 무대장치용 회전대상물의 감속장치를 제공함에 그 목적이 있다.The present invention, when the rotating object for the conventional stage device as described above is wound up the upper side by the operation of the remote control is wound on the rotary tube is accommodated, when the elastic force of the torsion spring under the torsional pressure is applied downward Unlike this, it was devised to solve the problem of fast winding. For this purpose, the first deceleration member and the second oil deceleration member on the inner surface of the front and rear of the drum tube are accommodated in the rotating tube. When the plurality of deceleration delay timer members coupled to the motor reduce the rotational speed of the rotary tube to the first and second stages, that is, the multi-stage, when the rotating object is wound up by the operation of the remote controller, the winding speed of the rotating object is increased to the upper side. Significantly decelerates and prevents overload of the assembly constituting the rotating object during winding operation. By blocking the cause in advance, it improves the service life of the rotating object. It also winds up gently during the whole section of the rotating object being wound on the rotating tube, making the use of the rotating object safer and preventing noise. It is an object of the present invention to provide a deceleration device for a rotating object for a stage device to be formed.

상기의 목적을 달성하기 위한 본 발명의 무대장치용 회전대상물 감속장치는 회전관의 타측 내부에 밀착되게 수용되는 드럼관과; 상기 드럼관의 전방 내면에 삽입되는 1차 감속부재와; 상기 1차 감속부재에 감겨있는 감속스프링과; 상기 드럼관 후방 내면에 삽입되면서 내부에 점성물질인 오일이 채워지는 2차 오일감속부재와; 상기 1차 감속부재와 2차 오일감속부재 사이에 연결 설치되는 복수 개의 감속지연타이머부재와; 상기 감속지연타이머부재와 전기적으로 연결되는 리모컨으로; 이루어진 것에 있어서,Rotation object reduction device for a stage device of the present invention for achieving the above object is a drum tube accommodated in close contact with the other side of the rotary tube; A primary deceleration member inserted into the front inner surface of the drum tube; A deceleration spring wound around the primary deceleration member; A secondary oil reduction member inserted into the rear inner surface of the drum tube and filled with an oil having a viscosity therein; A plurality of deceleration delay timer members connected between the primary reduction member and the secondary oil reduction member; A remote controller electrically connected to the deceleration delay timer member; In what has been done,

상기의 1차 감속부재에는 양측으로 연결축이 일체화되어 일측 연결축은 회전관의 일측 내부에 수용되어 토션스프링이 길이방향으로 길게 감겨있는 샤프트부재에 연결되며, 타측 연결축은 간격유지부재에 관통되어 감속지연타이머부재중 일단의 감속지연타이머부재에 연결되고, 타단의 감속지연타이머부재는 실린더의 연결축을 관통하는 2차 오일감속부재의 연결축에 연결되며, 상기의 2차 오일감속부재는 고정부재에 의해 드럼관의 타측 내부에 밀착되게 수용되는 실린더 내부에 수용되고, 상기의 드럼관은 그 타단이 마감부재로 마감됨을 특징으로 한다.The connecting shaft is integrated on both sides of the primary deceleration member so that one connecting shaft is accommodated in one side of the rotary tube and connected to the shaft member in which the torsion spring is wound in the longitudinal direction, and the other connecting shaft penetrates the gap maintaining member to reduce the speed. One end of the delay timer member is connected to the deceleration delay timer member, and the other end of the deceleration delay timer member is connected to the connection shaft of the secondary oil reduction member penetrating the connecting shaft of the cylinder, and the secondary oil reduction member is fixed by the fixing member. The drum tube is accommodated in the cylinder that is tightly received inside the other side of the drum tube, the drum tube is characterized in that the other end is finished with a closing member.

또한 상기 1차 감속부재의 외경에 감겨있는 감속스프링은 일측에 걸림돌기가 돌출되며, 걸림돌기는 드럼관 전방 내부의 걸림 홈에 걸려 단속되고, 상기 1차 감속부재의 외경과, 1차 감속부재의 외경에 감겨있는 감속스프링의 내경 비율은 1:1로 이루어지면서, 1차 감속부재의 길이방향으로 길게 감겨 질수록 감속이 더 지연됨을 특징으로 한다.In addition, the deceleration spring wound around the outer diameter of the primary deceleration member is projected by a locking projection on one side, the locking projection is caught by a locking groove in the front of the drum tube, and the interruption, the outer diameter of the primary deceleration member, the outer diameter of the primary deceleration member The inner diameter ratio of the deceleration spring wound to is made of 1: 1, characterized in that the deceleration is further delayed as it is wound longer in the longitudinal direction of the primary deceleration member.

또한 상기 복수 개의 감속지연타이머부재는 전,후로 대칭이 되는 계합돌기로 연결되고, 상기 감속지연타이머부재중 양측의 감속지연타이머부재는 회전되지 않고 단지 연결만 되며, 중앙의 감속지연타이머부재는 상기 계합돌기가 마주칠 때 회전됨을 특징으로 한다.In addition, the plurality of deceleration delay timer members are connected to the engagement projections symmetrical to the front and rear, and the deceleration delay timer members on both sides of the deceleration delay timer members are not rotated but merely connected, and the center deceleration delay timer member is connected to the engagement protrusions. Characterized in that the protrusions are rotated when they meet.

또한 상기 실린더의 연결축과 연결축을 관통하는 2차 오일감속부재의 연결축 틈새에는 O링이 게재되어 내부에 채워진 점성물질인 오일이 감속지연타이머 부재 측으로 새지 않게 됨을 특징으로 한다.In addition, the O-ring is placed in the gap between the connecting shaft of the cylinder and the secondary oil reduction member penetrating the connecting shaft, characterized in that the oil, which is a viscous material filled therein, does not leak to the deceleration delay timer member side.

이상과 같은 본 발명은 무대장치용 회전대상물 예컨대 전동스크린, 전동현수막, 전동태극기 등이 리모컨의 작동에 의해 상측으로 감겨 올라갈 때, 회전대상물이 감겨있는 회전관의 타측 내부에 수용되는 드럼관 전,후방 내면의 1차 감속부재 및 2차 오일감속부재와 유기적으로 결합 되는 복수 개의 감속지연타이머부재를 통해 회전관의 회전속도를 1,2차 다단으로 감속시키게 되는데 즉, 드럼관 전방 내면의 1차 감속부재에 의해 1차감속이 이루어짐과 동시에 다시 드럼관 후방 내면의 2차 오일감속부재의 원심력으로 내부에 채워진 오일의 유동에 의한 마찰 저항을 통해 2차감속이 이루어지면서 드럼관이 수용되는 회전관의 회전속도를 대폭 감소시킴으로써, 회전대상물이 상측으로의 감김속도가 크게 감속되어 회전대상물의 감김 작동시 회전대상물에 과부하가 걸리는 것이 방지되어 그에 따른 고장발생의 원인을 사전에 차단하여 회전대상물의 사용수명을 크게 향상시키는 효과가 있고, 또한 회전대상물이 회전관에 감기는 전 구간 동안 부드럽게 감겨 올라가, 그 사용이 보다 안전할 뿐 아니라 소음이 방지되어 조용하고 쾌적한 실내환경을 조성할 수 있게 되는 가장 큰 효과가 있다.The present invention as described above, when the rotating object for the stage device, for example, electric screen, electric banner, electric Taegeukgi, etc. is wound up by the operation of the remote control, before the drum tube accommodated inside the other side of the rotary tube wound the rotating object, Through a plurality of deceleration delay timer members that are organically coupled with the primary deceleration member and the secondary oil deceleration member on the rear inner side, the rotational speed of the rotating tube is reduced to the first and second stages. Rotation of the rotary tube in which the drum tube is accommodated as the primary deceleration is performed by the deceleration member, and the secondary deceleration is achieved through frictional resistance caused by the flow of oil filled inside by the centrifugal force of the secondary oil reduction member on the inner surface of the drum tube. By greatly reducing the speed, the winding speed of the rotating object to the upper side is greatly decelerated, so that the rotating object can The load is prevented from being applied, and the cause of failure is prevented in advance, which greatly improves the service life of the rotating object. Also, the rolling object is gently wound up for the entire period of the winding of the rotating object. Not only is it safe, but also has the greatest effect of preventing noise and creating a quiet and pleasant indoor environment.

도 1은 본 발명 무대장치용 회전대상물 감속장치의 전체구성을 나타낸 분해 사시도
도 2는 본 발명 무대장치용 회전대상물 감속장치의 전체구성을 나타낸 결합상태 단면구성도
도 3는 본 발명 무대장치용 회전대상물 감속장치의 실시예를 개략적으로 나타내는 단면구성도이다.
도 4의 (a,b,c)는 본 발명의 감속장치가 적용되는 회전대상물의 실시예시도로서,
(a,b)는 전동스크린,
(c)는 전동태극기Figure 1 is an exploded perspective view showing the overall configuration of the rotating object reduction device for a stage device of the present invention
Figure 2 is a cross-sectional configuration of the combined state showing the overall configuration of the present invention the rotating object reduction device for a stage device
Figure 3 is a schematic cross-sectional view showing an embodiment of a rotating object reduction device for a stage device of the present invention.
Figure 4 (a, b, c) is an embodiment of the rotating object to which the speed reduction apparatus of the present invention is applied,
(a, b) is the electric screen,
(c) the electric Taegeukgi

이하, 본 발명의 바람직한 실시예를 첨부된 도면과 관련하여 상세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

먼저, 본 발명의 상세한 설명 및 특허청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정 해석되지 아니하며, 본 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야 하는바, 따라서 본 발명의 명세서에 기재된 하기의 실시 예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일실시 예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 발명의 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형 예들이 있을 수 있음을 미리 밝혀둔다.First, the terms or words used in the detailed description and claims of the present invention are not limited to the ordinary or dictionary meanings, and the inventors appropriately describe the concept of terms in order to explain their own invention in the best way. It should be interpreted as meanings and concepts in accordance with the technical spirit of the present invention on the basis of the principle that it can be defined so, the configuration shown in the following embodiments and drawings described in the specification of the present invention is the most preferred one of the present invention Since it is only an example and does not represent all of the technical idea of the present invention, it will be apparent that there may be various equivalents and modifications that may replace them at the time of filing the present invention.

도 1내지 도 3은 본 발명에 따른 무대장치용 회전대상물 감속장치의 전체구성을 나타낸 도면이다.1 to 3 is a view showing the overall configuration of the rotating object reduction device for a stage apparatus according to the present invention.

회전관(101)의 타측 내부에 밀착되게 수용되는 드럼관(102)과; 드럼관(102)의 전방 내면에 삽입되는 1차 감속부재(103)와; 1차 감속부재(103)에 감겨있는 감속스프링(106)과; 상기 드럼관(102) 후방 내면에 삽입되면서 내부에 점성물질인 오일이 채워지는 2차 오일감속부재(104)와; 상기 1차 감속부재(103)와 2차 오일감속부재(104) 사이에 연결 설치되는 복수의 감속지연타이머부재(105a,105b,105c,105d)와; 상기 감속지연타이머부재와 전기적으로 연결되는 리모컨(R)으로; 이루어진 무대장치용 회전대상물의 감속장치(100)에 있어서,
상기의 1차 감속부재(103)에는 양측으로 연결축(103a)(103b)이 일체화되어 일측 연결축(103a)은 회전관(101)의 일측 내부에 수용되어 토션스프링(106a)이 길이방향으로 길게 감겨있는 샤프트부재(107)에 연결되며, 타측 연결축(103b)은 간격유지부재(108)에 관통되어 복수의 감속지연타이머부재중 일단의 감속지연타이머부재(105a)에 연결되고, 타단의 감속지연타이머부재(105d)는 실린더(109)의 연결축(109a)을 관통하는 2차 오일감속부재(104)의 연결축(104a)에 연결되며, 상기의 2차 오일감속부재(104)는 고정부재(110)에 의해 드럼관(102)의 타측 내부에 밀착되게 수용되는 실린더(109) 내부에 고정 수용되고, 상기 드럼관(102)은 그 타단이 마감부재(111)로 마감되는 구성이다.A drum tube 102 accommodated in close contact with the other side of the rotary tube 101; A primary deceleration member 103 inserted into the front inner surface of the drum tube 102; A deceleration spring 106 wound around the primary deceleration member 103; A secondary oil reduction member 104 inserted into the rear inner surface of the drum tube 102 and filled with an oil having a viscous material therein; A plurality of deceleration delay timer members 105a, 105b, 105c, and 105d connected between the primary deceleration member 103 and the secondary oil reduction member 104; A remote controller (R) electrically connected to the deceleration delay timer member; In the deceleration device 100 of the rotating object for the stage device,
In the primary deceleration member 103, the connecting shafts 103a and 103b are integrated on both sides thereof, and the one connecting shaft 103a is accommodated inside one side of the rotary tube 101 so that the torsion spring 106a extends in the longitudinal direction. It is connected to the long winding shaft member 107, the other side connecting shaft 103b is penetrated through the gap holding member 108 and connected to one of the deceleration delay timer member 105a of the plurality of deceleration delay timer members, and deceleration of the other end The delay timer member 105d is connected to the coupling shaft 104a of the secondary oil reduction member 104 penetrating the coupling shaft 109a of the cylinder 109, and the secondary oil reduction member 104 is fixed. The member 110 is fixedly accommodated in the cylinder 109 accommodated in close contact with the inside of the drum tube 102, the drum tube 102 is the other end of the configuration is finished with the closing member 111.

또한 상기 1차 감속부재(103)의 외경에 감겨있는 감속스프링(106)은 일측에 걸림돌기(112)가 돌출되며, 걸림돌기(112)는 드럼관(102) 전방 내부의 걸림홈(113)에 걸림 단속 되고, 상기 1차 감속부재(103)의 외경과, 1차 감속부재(103)의 외경에 감겨있는 감속스프링(106)의 내경 비율은 1:1이 되며, 상기 감속스프링(106)은 1차 감속구(103)의 길이방향으로 길게 감겨 질수록 감속이 더 지연되는 구성이다.In addition, the deceleration spring 106 wound around the outer diameter of the primary deceleration member 103 has a locking protrusion 112 protruding from one side thereof, and the locking protrusion 112 has a locking groove 113 inside the front of the drum tube 102. The ratio of the inner diameter of the deceleration spring 106 wound around the first speed reduction member 103 and the outer diameter of the primary deceleration member 103 becomes 1: 1, and the deceleration spring 106 Is a configuration in which the deceleration is further delayed as the long winding in the longitudinal direction of the primary deceleration port (103).

또한 상기 복수의 감속지연타이머부재(105a,105b,105c,105d)는 전,후로 대칭이 되는 계합돌기(114)로 연결되고, 상기 감속지연타이머부재중 양측의 감속지연타이머부재(105a,105d)는 회전되지 않고 단지 연결만 되며, 중앙의 감속지연타이머부재(105b,105c)는 상기 계합돌기(114)가 마주칠 때 회전되고, 상기 실린더(109)의 연결축(109a)과 상기의 연결축(109a)을 관통하는 2차 오일감속부재(104)의 연결축(104a) 틈새에는 O링(115)이 게재되어 내부에 채워진 점성물질인 오일이 감속지연타이머부재(105a,105b,105c,105d)와 1차 감속부재(103) 측으로 새지 않게 되는 구성이다.In addition, the plurality of deceleration delay timer members 105a, 105b, 105c, and 105d are connected to engagement protrusions 114 which are symmetrical with the front and rear sides, and the deceleration delay timer members 105a and 105d of both sides of the deceleration delay timer member are It is not rotated but only connected, and the central deceleration delay timer members 105b and 105c are rotated when the engaging protrusion 114 is encountered, and the connecting shaft 109a of the cylinder 109 and the connecting shaft ( O-ring 115 is placed in the gap between the connecting shaft 104a of the secondary oil reduction member 104 penetrating 109a so that the oil, which is a viscous material filled therein, is decelerated delay timer member 105a, 105b, 105c, 105d. And the primary deceleration member 103 does not leak to the side.

도면 중 미설명부호 (116)은 드럼관(102) 외주의 사방에 형성된 결합테, (117a)(117b)는 회전관(101)의 양단과, 드럼관(102) 타단의 마감부재(111)에 부착 연결되어 천정슬라브(118)에 고정 설치되는 고정브래킷, (119)는 회전대상물(120)이 매립되는 천정패널, (120)은 회전관(101)에 감겨지는 회전대상물을 지칭한다.Unexplained reference numeral 116 in the drawing is a coupling frame formed on the outer circumference of the drum tube 102, 117a, 117b are both ends of the rotary tube 101, the closing member 111 of the other end of the drum tube 102 The fixing bracket is attached to and fixed to the ceiling slab 118, 119 is a ceiling panel in which the rotating object 120 is embedded, 120 refers to a rotating object wound on the rotary tube 101.

위와 같이 구성된 본 발명은 첨부된 도면 도 3에서와 같이 상기의 고정브래킷(117a)(117b)을 통해 회전대상물(120)이 천정슬라브(118)와 천절패널(119) 사이에 매립 설치된다.In the present invention configured as described above, the rotating object 120 is embedded between the ceiling slab 118 and the ceiling panel 119 through the fixing brackets 117a and 117b as shown in FIG. 3.

상기와 같이 회전대상물(120)이 천정슬라브(118)와 천절패널(119) 사이에 매립 설치된 상태에서 리모컨(R)을 작동시키면 회전대상물(120)은 회전관(101)의 일측 내부에 수용된 토션스프링(106a)의 탄성력을 이기며 풀어지면서 샤프트부재(107)에 감겨있는 토션스프링(106a)의 탄성 회전력에 의해 회전관(101)이 하방향으로 회전되면서 회전대상물(120)이 하측으로 내려오게 된다.(도 4의 a-1참조) As described above, when the rotation object 120 operates the remote controller R while being embedded between the ceiling slab 118 and the ceiling panel 119, the rotation object 120 is accommodated inside one side of the rotation tube 101. As the rotary tube 101 is rotated downward by the elastic rotation force of the torsion spring 106a wound on the shaft member 107 while being released while winning the elastic force of the spring 106a, the rotating object 120 is lowered. (See a-1 in FIG. 4)

상기 회전관(101)의 하방향 회전시 드럼관(101) 역시 하방향으로 회전케 되는데, 이는 드럼관(101)이 외주의 사방에 형성된 결합테(116)를 통해 회전관(101)의 타측 내부에 결합되므로 회전관(101)과 동시 회전이 이루어지게 된다.The drum tube 101 also rotates downward when the rotary tube 101 rotates downward, which is the other side of the rotary tube 101 through the coupling frame 116 formed on all sides of the drum tube 101. Since it is coupled to the inside of the rotary tube 101 and the simultaneous rotation is made.

상기와 같이 회전관(101)의 하방향 회전과 동시에 드럼관(102) 또한 하방향 회전될 때, 드럼관(102) 전방 내면 1차 감속부재(103)도 회전되는데, 이때 1차 감속부재(103)의 외경에 감겨있는 감속스프링(106)은 1차 감속부재(103)의 외경에 마찰 되지 않고, 원웨이 역할을 수행하면서 일방향으로 회전 되는바, 이때 감속스프링(106)의 내경이 1차 감속부재(103)의 외경과 1:1 비율로 형성되어 있기 때문에 드럼관(102)의 하방향 회전시 감속스프링(106) 일측의 걸림돌기(112)가 드럼관(102)의 내부 걸림홈(113)에 걸림 단속되어 감속스프링(106)의 내경이 늘어나면서 1차 감속부재(103)의 외경에 마찰 되지 않고 슬립 됨으로써, 드럼관(102) 타측 내부의 실린더(109) 및 실린더(109) 내부에 수용된 2차 오일감속부재(104)와 같이 회전되는 한편, 1차 감속부재(103)와 2차 오일감속부재(104)를 연결하는 감속지연타이머부재(105a,105b,105c,105d)는 전,후에 형성된 계합돌기(14)가 마주치면서 1차 감속부재(103)와 2차 오일감속부재(104)가 회전하는 타방향으로 감겨 회전관(101)의 하방향 회전이 무리 없이 이루어지게 된다.As described above, when the drum tube 102 is also rotated downward in parallel with the downward rotation of the rotary tube 101, the front inner surface primary deceleration member 103 of the drum tube 102 is also rotated. The deceleration spring 106 wound around the outer diameter of the 103 is not rubbed with the outer diameter of the primary deceleration member 103, and rotates in one direction while serving as a one-way role, wherein the inner diameter of the deceleration spring 106 is primary. Since it is formed in a ratio of 1: 1 with the outer diameter of the reduction member 103, the locking projection 112 on one side of the reduction spring 106 is rotated inside the drum tube 102 when the drum tube 102 rotates downward. As the inner diameter of the deceleration spring 106 increases and is slipped without friction with the outer diameter of the primary deceleration member 103, the cylinder 109 and the cylinder 109 inside the drum tube 102 are caught inside. While rotating the secondary oil reduction member 104 accommodated in the primary deceleration member 103 and the secondary oil reduction member 104 The deceleration deceleration delay timer members 105a, 105b, 105c, and 105d are wound in the other directions in which the primary deceleration member 103 and the secondary oil reduction member 104 rotate while the engaging projections 14 formed before and after are encountered. Downward rotation of the rotary tube 101 is made without difficulty.

한편, 상기와 같이 회전대상물(120)이 하방향으로 모두 내려온 상태에서 회전대상물(120)을 사용하다가 사용을 마친 후, 다시 리모컨(R)을 작동시키면 하측으로 내려온 회전대상물(120)이 상측으로 감겨 올라가면서 회전관(101)에 수용되는 드럼관(102) 내부 일측 토션스프링(106a)의 탄성이 가해지면서 토션스프링(106a)의 탄성 정도에 따라 회전대상물(120)이 급속하게 감겨 올라가게 되는데, 이때 회전대상물(120)이 감겨있는 회전관(101)의 타측 내부에 수용되는 드럼관(102) 전,후방 내면의 1차 감속부재(103) 및 2차 오일감속부재(104)와 유기적으로 결합 되는 복수 개의 감속지연타이머부재(105a,105b,105c,105d)를 통해 회전관(101)의 회전속도를 1,2차 다단으로 감속시키게 되는 것으로, 예컨대 드럼관(102) 전방 내면의 1차 감속부재(103)에 의해 1차감속이 이루어짐과 동시에 다시 드럼관(102) 후방 내면의 2차 오일감속부재(104)의 원심력으로 내부에 충진된 오일의 유동에 의한 마찰 저항을 통해 2차감속이 이루어지면서 드럼관(102)이 수용되는 회전관(101)의 회전속도를 대폭 감소시킴으로써, 회전대상물(120)이 상측으로의 감김속도가 크게 감속된다.On the other hand, after using the rotating object 120 in the state in which the rotating object 120 is all lowered as described above, after use, after operating the remote control (R) again, the rotating object 120 is lowered to the upper side As the elasticity of the one side torsion spring (106a) inside the drum tube (102) accommodated in the rotary tube (101) is wound up, the rotating object (120) is rapidly wound up according to the elasticity of the torsion spring (106a). At this time, the first and second oil reduction member 103 and the second oil reduction member 104 of the inner and front surfaces of the drum tube 102 accommodated inside the other side of the rotary tube 101, the rotating object 120 is wound Through a plurality of deceleration delay timer members 105a, 105b, 105c, 105d coupled to reduce the rotational speed of the rotary tube 101 in the first and second stages, for example, the primary of the front inner surface of the drum tube 102 The primary deceleration is made by the reduction member 103 The rotary tube 101 is accommodated while the secondary tube is decelerated through frictional resistance caused by the flow of oil filled therein by the centrifugal force of the secondary oil reduction member 104 on the rear inner surface of the drum tube 102. By greatly reducing the rotational speed of), the winding speed of the rotating object 120 to the upper side is greatly reduced.

결국 상기와 같이 리모컨(R)을 작동시켜 하측으로 내려온 회전대상물(120)이 다시 상측으로 감겨 올라갈 때, 비틀림 압력을 받고 있는 토션스프링(106a)의 복귀 탄성력에 의하여 회전관(101)이 상방향으로 급속 회전 되면서 회전대상물(120)도 회전관(101)에 급속하게 감기게 되는데, 이럴 경우 드럼관(102) 역시 상방향으로 동시 회전되고, 이에 따라 드럼관(102) 전방 내면의 1차 감속부재(103) 외경에 감겨있는 감속스프링(106) 일측의 걸림돌기(112)가 드럼관(102) 내면의 걸림홈(113)에 걸림 단속되면서 감속스프링(106)이 전술한 바와는 반대로 압축되어 감속스프링(106)의 내경이 점차 작아지게 되며, 이로 인해 압축된 감속스프링(106)이 1차 감속부재(103)의 외경에 마찰 되어 슬립 되면서 회전이 이루어져 1차 감속이 이루어짐과 동시에 감속지연타이머부재(105a,105b,105c,105d)가 회전되어 전,후에 형성된 계합돌기(114)가 모두 마주칠 때 복수의 감속지연타이머부재와 2차 오일감속부재(104)가 회전되면서 2차 오일감속부재(104) 또한 회전되고, 상기 2차 오일감속부재(104)의 회전에 의한 원심력으로 내부에 충진된 오일의 유동에 따른 마찰 저항을 통해 2차 감속이 이루어짐에 따라 드럼관(102)이 수용되는 회전관(101)의 회전속도를 대폭 감소시켜 회전관(101)에 감겨진 회전대상물(120)이 상측으로의 감김 속도가 크게 감속된다.As a result, when the rotating object 120 descended to the lower side by operating the remote controller R as described above is rolled up again, the rotary tube 101 is moved upward by the return elastic force of the torsion spring 106a which is under torsional pressure. The rotating object 120 is also rapidly wound on the rotating tube 101 while being rapidly rotated. In this case, the drum tube 102 is also simultaneously rotated in the upward direction, and thus the first deceleration of the front inner surface of the drum tube 102 is performed. The deceleration springs 106 of one side of the deceleration springs 106 wound around the outer diameter of the member 103 are intermittently caught by the engaging grooves 113 of the inner surface of the drum tube 102, and the deceleration springs 106 are compressed as opposed to the foregoing. The inner diameter of the deceleration spring 106 is gradually reduced, and thus, the compressed deceleration spring 106 is rubbed and slipped by the outer diameter of the primary deceleration member 103 to rotate, thereby performing the first deceleration and the deceleration delay timer. Member 105a, 105b, 105c, 1 When the engaging projection 114 formed before and after the rotation of 05d) encounters both the plurality of deceleration delay timer members and the secondary oil reduction member 104, the secondary oil reduction member 104 is also rotated. Rotational speed of the rotary tube 101 accommodates the drum tube 102 as the secondary deceleration is made through the frictional resistance according to the flow of oil filled therein by the centrifugal force by the rotation of the secondary oil reduction member 104. By greatly reducing the winding speed of the rotating object 120 wound on the rotary tube 101 to the upper side is greatly reduced.

100 : 무대장치용 회전대상물의 감속장치 101 : 회전관
102 : 드럼관 103 : 1차 감속부재
104 : 2차 오일감속부재 105a,105b,105c,105d : 감속지연타이머부재
106 : 감속스프링 106a : 토션스프링
107 : 샤프트부재 108 : 간격유지부재
109 : 실린더 110 : 고정부재
111 : 마감부재 112 : 걸림돌기
113 : 걸림홈 114 : 계합돌기
115 : O 링100: deceleration device of the rotating object for the stage device 101: rotating tube
102: drum tube 103: primary deceleration member
104: secondary oil reduction member 105a, 105b, 105c, 105d: deceleration delay timer member
106: deceleration spring 106a: torsion spring
107: shaft member 108: spacing member
109: cylinder 110: fixing member
111: closing member 112: locking projection
113: locking groove 114: engagement projection
115: O ring

Claims (3)

회전관(101)의 타측 내부에 밀착되게 수용되는 드럼관(102)과; 드럼관(102)의 전방 내면에 삽입되는 1차 감속부재(103)와; 1차 감속부재(103)에 감겨있는 감속스프링(106)과; 상기 드럼관(102) 후방 내면에 삽입되면서 내부에 점성물질인 오일이 채워지는 2차 오일감속부재(104)와; 상기 1차 감속부재(103)와 2차 오일감속부재(104) 사이에 연결 설치되는 복수의 감속지연타이머부재(105a,105b,105c,105d)와; 상기 감속지연타이머부재와 전기적으로 연결되는 리모컨(R)으로; 이루어진 무대장치용 회전대상물의 감속장치(100)에 있어서,
상기의 1차 감속부재(103)에는 양측으로 연결축(103a)(103b)이 일체화되어 일측 연결축(103a)은 회전관(101)의 일측 내부에 수용되어 토션스프링(106a)이 길이방향으로 길게 감겨있는 샤프트부재(107)에 연결되며, 타측 연결축(103b)은 간격유지부재(108)에 관통되어 감속지연타이머부재중 일단의 감속지연타이머부재(105a)에 연결되고, 타단의 감속지연타이머부재(105d)는 실린더(109)의 연결축(109a)을 관통하는 2차 오일감속부재(104)의 연결축(104a)에 연결되며, 상기의 2차 오일감속부재(104)는 고정부재(110)에 의해 드럼관(102)의 타측 내부에 밀착되게 수용되는 실린더(109) 내부에 고정 수용되고, 상기 드럼관(102)은 그 타단이 마감부재(111)로 마감됨을 특징으로 하는 무대장치용 회전대상물의 감속장치.A drum tube 102 accommodated in close contact with the other side of the rotary tube 101; A primary deceleration member 103 inserted into the front inner surface of the drum tube 102; A deceleration spring 106 wound around the primary deceleration member 103; A secondary oil reduction member 104 inserted into the rear inner surface of the drum tube 102 and filled with an oil having a viscous material therein; A plurality of deceleration delay timer members 105a, 105b, 105c, and 105d connected between the primary deceleration member 103 and the secondary oil reduction member 104; A remote controller (R) electrically connected to the deceleration delay timer member; In the deceleration device 100 of the rotating object for the stage device,
In the primary deceleration member 103, the connecting shafts 103a and 103b are integrated on both sides thereof, and the one connecting shaft 103a is accommodated inside one side of the rotary tube 101 so that the torsion spring 106a extends in the longitudinal direction. It is connected to the long winding shaft member 107, the other side connecting shaft (103b) is penetrated through the gap holding member 108 and connected to one of the deceleration delay timer member 105a of the deceleration delay timer member, the deceleration delay timer of the other end The member 105d is connected to the connecting shaft 104a of the secondary oil reduction member 104 penetrating the connecting shaft 109a of the cylinder 109, and the secondary oil reduction member 104 is a fixed member ( 110 is fixedly accommodated in the cylinder 109 is received in close contact with the inside of the other side of the drum tube 102, the drum tube 102 is a stage device characterized in that the other end is finished with a closing member 111 Reduction device for rotating object. 제1항에 있어서,
상기 1차 감속부재(103)의 외경에 감겨있는 감속스프링(106)은 일측에 걸림돌기(112)가 돌출되며, 걸림돌기(112)는 드럼관(102) 전방 내부의 걸림홈(113)에 걸림 단속 되고, 상기 1차 감속부재(103)의 외경과, 1차 감속부재(103)의 외경에 감겨있는 감속스프링(106)의 내경 비율은 1:1이 되며, 상기 감속스프링(106)은 1차 감속구(103)의 길이방향으로 길게 감겨 질수록 감속이 더 지연됨을 특징으로 하는 무대장치용 회전대상물의 감속장치. The method of claim 1,
The deceleration spring 106 wound around the outer diameter of the primary deceleration member 103 has a locking protrusion 112 protruding from one side thereof, and the locking protrusion 112 is disposed at the locking groove 113 inside the front of the drum tube 102. The interlocking ratio between the outer diameter of the primary deceleration member 103 and the deceleration spring 106 wound around the outer diameter of the primary deceleration member 103 is 1: 1, and the deceleration spring 106 is Deceleration device of the rotating object for the stage device characterized in that the deceleration is further delayed as the longer winding in the longitudinal direction of the primary deceleration port (103). 제1항에 있어서,
상기 복수 개의 감속지연타이머부재(105a,105b,105c,105d)는 전,후로 대칭이 되는 계합돌기(114)로 연결되고, 상기 감속지연타이머부재중 양측의 감속지연타이머부재(105a,105d)는 회전되지 않고 단지 연결만 되며, 중앙의 감속지연타이머부재(105b,105c)는 상기 계합돌기(114)가 마주칠 때 회전되고, 상기 실린더(109)의 연결축(109a)과 상기의 연결축(109a)을 관통하는 2차 오일감속부재(104)의 연결축(104a) 틈새에는 O링(115)이 게재되어 내부에 채워진 점성물질인 오일이 감속지연타이머부재(105a,105b,105c,105d)측으로 새지 않게 됨을 특징으로 하는 무대장치용 회전대상물의 감속장치.The method of claim 1,
The plurality of deceleration delay timer members 105a, 105b, 105c, and 105d are connected to engagement protrusions 114 which are symmetrical with the front and rear sides, and the deceleration delay timer members 105a and 105d of the deceleration delay timer members are rotated. Only the connection, the central deceleration delay timer member (105b, 105c) is rotated when the engaging projection 114 is encountered, the connecting shaft (109a) and the connecting shaft (109a) of the cylinder (109) The O-ring 115 is placed in the gap between the connecting shaft 104a of the secondary oil reduction member 104 penetrating through the oil) and the oil, which is a viscous material filled therein, is directed to the deceleration delay timer members 105a, 105b, 105c, and 105d. Reduction device for the rotating object for the stage device, characterized in that not leak.
KR1020110014675A 2011-02-18 2011-02-18 A stage setting of a rotation object for multistage reduction device KR101240361B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200398772Y1 (en) 2005-07-14 2005-10-18 남이식 apparatus for speed reduction of take up mosquito net
KR200417447Y1 (en) 2006-03-15 2006-05-29 정장훈 Reduction Device for Roller-Type Screen
KR100909039B1 (en) 2009-03-23 2009-07-22 이명숙 A reduction gear of the roll type mosquito net
KR20100020551A (en) * 2008-08-13 2010-02-23 정장훈 Reduction device for roller-type screen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200398772Y1 (en) 2005-07-14 2005-10-18 남이식 apparatus for speed reduction of take up mosquito net
KR200417447Y1 (en) 2006-03-15 2006-05-29 정장훈 Reduction Device for Roller-Type Screen
KR20100020551A (en) * 2008-08-13 2010-02-23 정장훈 Reduction device for roller-type screen
KR100909039B1 (en) 2009-03-23 2009-07-22 이명숙 A reduction gear of the roll type mosquito net

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