KR950011802A - Both sides open door opening and closing device - Google Patents

Both sides open door opening and closing device Download PDF

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Publication number
KR950011802A
KR950011802A KR1019940026610A KR19940026610A KR950011802A KR 950011802 A KR950011802 A KR 950011802A KR 1019940026610 A KR1019940026610 A KR 1019940026610A KR 19940026610 A KR19940026610 A KR 19940026610A KR 950011802 A KR950011802 A KR 950011802A
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KR
South Korea
Prior art keywords
door
pin
closing device
door opening
latch
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KR1019940026610A
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Korean (ko)
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KR0157397B1 (en
Inventor
박병기
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박병기
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Priority to KR1019940026610A priority Critical patent/KR0157397B1/en
Publication of KR950011802A publication Critical patent/KR950011802A/en
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Publication of KR0157397B1 publication Critical patent/KR0157397B1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/48—Suspension arrangements for wings allowing alternative movements
    • E05D15/50—Suspension arrangements for wings allowing alternative movements for opening at either of two opposite edges
    • E05D15/505—Suspension arrangements for wings allowing alternative movements for opening at either of two opposite edges by radial separation of the hinge parts at the hinge axis
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/48—Suspension arrangements for wings allowing alternative movements
    • E05D15/50—Suspension arrangements for wings allowing alternative movements for opening at either of two opposite edges
    • 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
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/02—Details of doors or covers not otherwise covered
    • F25D2323/022—Doors that can be pivoted either left-handed or right-handed

Abstract

본제의 도어개구에 설치되는 도어를 양측에서 임의로 개방할 수 있는 양측개방형 도어개폐장치가 개시된다. 본 발명에 의한 도어개폐장치는 도어 혹은 본체중 어느 한쪽의 양단부측에 각각 설치되어 도어의 선회축심을 각각 형성하는 대향설치된 적어도 한쌍의 힌지핀과 ; 상기 도어 혹은 본체중 상기 한쪽의 상대편쪽 본체 혹은 도어에 고정설치되며, 양단부에 상기 각 힌지핀이 도어의 회동방향으로 출입할 수 있는 핀출입통로가 각각 마련되어 있는 고정부재와 상기 핀출입통로를 따라 도입되는 해당 힌지핀을 수용할 수 있는 핀유지홈을 각각 가지고, 상기 핀유지홈내에 상기 힌지핀이 수용되지 아니한 수용대기위치와 상기 힌지핀이 수용된 수용위치간을 회동할 수 있도록 상기 고정부재의 상기 각 핀출입통로의 영역에 각각 설치되어, 상기 힌지핀이 상기 핀유지홈을 출입이동할 때 그에 연동하여 최동하는 회동부재들과 ; 일단부가 상기 회동부재의 회동지점으로부터 소정간격 이격된 위치에서 상기 회동부재에 연결되어 상기 회동부재의 회동캠작용에 의해 상기 고정부재의 길이방향을 따라 왕복이동가능하도록 상기 고정부재에 지지되어 있는 래치부재들로서, 상기 래치부재들의 타단부는 자유단부로서 상기 두 회동부재들사이에서 상호 대면하여 도어폐쇄상태에서 소정거리만큼 이격되고 도어의 어느 일측의 개방시 해당 래치부재가 상대편 래치부재를 향해 이동하여 상기 타단부들이 상호 접촉함으로써 상기 상대편 래치부재의 길이방향이동 및 상대편 회동부재의 회동을 저지시키는 래치부재들을 포함하여 이루어진다 이에 의해 간단한 구조로 소형화가 가능하며 다양한 형상이나 조건에 적응적으로 채용할 수 있는 앙측개방형 도어개폐장치가 제공된다.A two-sided open door opening and closing device capable of arbitrarily opening a door provided at a door opening of the present invention is disclosed. The door opening and closing device according to the present invention comprises: at least one pair of hinge pins disposed on both end sides of either the door or the main body to respectively form a pivot axis of the door; Along the fixing member and the pin access passage, which is fixed to the other main body or door of the door or the main body, and has pin access passages at both ends thereof to allow the hinge pins to enter and exit in the rotational direction of the door. Each of the fixing member has a pin holding groove for accommodating the corresponding hinge pin, and can rotate between an accommodation standby position where the hinge pin is not accommodated in the pin holding groove and an accommodation position where the hinge pin is accommodated. Rotatable members installed in regions of each of the pin access passages, the hinge members being moved in synchronization with the hinge pins when the pin holding grooves move in and out; A latch having one end connected to the pivot member at a position spaced a predetermined distance from the pivot point of the pivot member so as to be supported by the fixation member so as to be reciprocated along the longitudinal direction of the fix member by a pivot cam action of the pivot member. As the members, the other ends of the latch members as free ends face each other between the two pivot members so as to be spaced apart by a predetermined distance in the door closed state, and when the one side of the door is opened, the latch member moves toward the other latch member. Including the latch member for preventing the longitudinal movement of the counterpart latch member and the rotation of the counterpart rotation member by contacting the other ends with each other, thereby making it possible to miniaturize in a simple structure and to be adaptive to various shapes and conditions A lateral open door opening and closing device is provided.

Description

양측개방형 도어개폐장치Both sides open door opening and closing device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도는 본 발명에 따른 도어개폐장치가 적용된 냉장고의 도어가 개방 및 폐쇄된 상태를 나타내는 개략적인 사시도,1 is a schematic perspective view showing a state in which a door of a refrigerator to which a door opening and closing device is applied according to the present invention is opened and closed;

제 2 도는 본 발명의 제 1실시예에 따른 도어개폐장치의 분왜사시도,2 is a perspective view of the distortion of the door opening and closing apparatus according to the first embodiment of the present invention,

제 3 도는 제 2 도의 도어 개폐장치의 폐쇄상태를 나타낸 평면도,3 is a plan view showing the closed state of the door opening and closing device of FIG.

제 4 도는 제 2 도의 도어개폐장치의 일측개방상태를 나타낸 평면도.4 is a plan view showing one side open state of the door opening and closing device of FIG.

제 5 도는 본 발명의 제 2 실시예에 따른 도어개폐장치의 폐쇄상태를 나타낸 평면도,5 is a plan view showing a closed state of the door opening and closing device according to a second embodiment of the present invention,

제 6 도는 상기 제 5 도의 도어개폐장치의 일측개방상태를 나타낸 평면도,6 is a plan view showing one side open state of the door opening and closing device of FIG. 5;

제 7 도는 본 발명의 제3실시예에 따른 도어개폐장치의 폐쇄상태를 나타낸 평면도,7 is a plan view showing a closed state of the door opening and closing device according to a third embodiment of the present invention,

제 8 도는 제 7 도의 도어개폐장치의 일측개방상태를 나타낸 평면도,8 is a plan view showing one side open state of the door opening and closing device of FIG.

제 9 도는 본 발명의 제 4실시예에 따른 도어개폐장치의 폐쇄상태를 나타낸 평면도,9 is a plan view showing a closed state of the door opening and closing device according to a fourth embodiment of the present invention,

제10도는 제 9 도의 A-A선의 단면도,10 is a cross-sectional view taken along the line A-A of FIG.

제11도는 제 9 도의 도어개폐장치이 일측개방상태를 나타낸 단면도,11 is a cross-sectional view showing a one side open state of the door opening and closing device of FIG.

제12도는 본 발명의 제 5실시예에 따른 도어개폐장치의 분해사시도,12 is an exploded perspective view of the door opening and closing apparatus according to the fifth embodiment of the present invention,

제13도는 제12도의 도어개폐장치의 폐쇄상태를 나타낸 평면도,13 is a plan view showing a closed state of the door opening and closing device of FIG.

제14도는 제13도의 B-B선의 단면도.14 is a cross-sectional view taken along the line B-B in FIG.

제15도는 제14도의 C-C선의 단면도,15 is a cross-sectional view taken along the line C-C of FIG.

제16도는 제13도의 도어개폐장치의 일측 개방상태를 나타낸 평면도,16 is a plan view showing an open state of one side of the door opening and closing device of FIG.

제17도는 본 발명의 제 6 실시예에 따른 도어개폐장치의 분해사시도,17 is an exploded perspective view of a door opening and closing device according to a sixth embodiment of the present invention;

제18도는 제17도의 도어개폐장치의 폐쇄상태를 나타낸 평면도,18 is a plan view showing a closed state of the door opening and closing device of FIG.

제19도는 제18도의 D-D선의 단면도,19 is a cross-sectional view taken along the line D-D of FIG. 18;

제20도는 제18도의 도어 개폐장치의 일측개방상태를 나타낸 평면도.20 is a plan view showing one side open state of the door opening and closing apparatus of FIG.

Claims (22)

본체의 도어개구에 설치되는 도어를 양측에서 임의로 개방할 수 있는 양측개방형 도어개폐장치에 있어서, 도어 혹은 본체중 어느 한쪽의 양단부측에 각각 설치되어 도어의 선회축심을 각각 형성하는 대향설치 된 적어도 한쌍의 힌지핀과 ; 상기 도어 혹은 본체중 상기 한쪽의 상대편쪽 본체 혹은 도어에 고정설치되며, 양단부에 상기 각 힌지핀이 도어의 회동방향으로 출입할 수 있는 핀출입통로가 각각 마련되어 있는 고정부재와 ; 상기 핀출입통로를 따라 도입되는 해당 힌지핀을 수용할 수 있는 핀유지홈을 각각 가지고, 상기 핀유지홈내에 상기 힌지핀이 수용되지 아니한 수용대기위치와 상기 힌지핀이 수용된 수용위치간을 회동할 수 있도록 상기 고정부재의 상기각 핀출입통로의 영역에 각각 설치되어, 상기 힌지핀이 상기 핀유지홈을 출입이동할 때 그에 연동하여 회동하는 회동부재들과 ; 일단부가 상기 회동부재의 회동지점으로부터 소정간격 이격된 위치에서 상기 회동부재에 연결되어 상기 회동부재의 회동캠작용에 의해 상기 고정부재의 길이방향을 따라 왕복이동가능하도록 상기 고정부재에 지지되어 있는 래치부재들로서, 상기 래치부재들의 타단부는 자유단부로서 상기 두 회동부재들사이에서 상호 대면하여 도어폐쇄상태에서 소정거리만큼 이격되고 도어의 어느 일측의 개방시 해당래치부재가 상대편 래치부재를 향해 이동하여 상기 타단부들이 상호 접촉함으로써 상기 상대편 래치부재의 길이방향이동 및 상대편 회동부재의 회동을 저지시키는 래치부재들을 포함하는 것을 특징으로 하는 양측개방형 도어개폐장치.A two-sided open door opening and closing device capable of arbitrarily opening a door provided at a door opening of a main body, wherein at least one pair of opposed installations respectively provided at both end sides of either the door or the main body to form a pivot axis of the door, respectively Hinge pin of; A fixing member fixed to the opposite main body or the door of the door or the main body, and having pin access passages provided at both ends thereof to allow the hinge pins to enter and exit in the rotational direction of the door; Each of the pin holding grooves for accommodating the corresponding hinge pins introduced along the pin access passages may rotate between an accommodation standby position in which the hinge pins are not accommodated and an accommodation position in which the hinge pins are accommodated. Rotatable members which are respectively installed in regions of the pin access passages of the fixing member so that the hinge pin rotates in association with the hinge pin when the pin holding groove moves in and out; A latch having one end connected to the pivot member at a position spaced a predetermined distance from the pivot point of the pivot member so as to be supported by the fixation member so as to be reciprocated along the longitudinal direction of the fix member by a pivot cam action of the pivot member. As the members, the other ends of the latch members face each other as the free ends and are spaced apart from each other by a predetermined distance in the closed state of the door, and the latch member is moved toward the other latch member when the one side of the door is opened. And the latch members for preventing the other end portion from contacting each other so as to prevent longitudinal movement of the counterpart latch member and rotation of the counterpart rotation member. 제 1 항에 있어서, 상기 회동부재를 상기 수용대기위치와 상기 수용위치에 각각 탄성적으로 유지시키는 토글스프링기구를 더 포함하는 것을 특징으로 하는 양측개방형 도어개폐장치.The two-side open door opening and closing device of claim 1, further comprising a toggle spring mechanism for elastically holding the pivot member at the accommodation standby position and the accommodation position, respectively. 제 1 항에 있어서, 상기 회동부재와 상기 래치부재는 상대회동가능한 핀결합에 의해 연결되어 있는 것을 특징으로 하는 양측개방형 도어개폐장치.The two-side open door opening and closing device of claim 1, wherein the pivot member and the latch member are connected to each other by a relatively rotatable pin coupling. 제 3 항에 있어서, 상기 래치부재는 하나의 강성체인 것을 특징으로 하는 양측개방형 도어개폐장치.The two-side open door opening and closing device of claim 3, wherein the latch member is a rigid body. 제 3 항에 있어서, 상기 래치부재는 적어도 두개의 강성체가 절곡가능하도록 연결된 것을 특징으로 하는 양측개방형 도어개폐장치.The two-side open door opening and closing device of claim 3, wherein the latch member is connected such that at least two rigid bodies are bendable. 제 1 항에 있어서, 상기 회동부재와 상기 래치부재는 일측의 슬롯과 상기 슬롯내에서 이동가능한 타측의 핀에 의해 연결되어 있는 것을 특징으로 하는 양측개방형 도어개폐장치.The apparatus of claim 1, wherein the pivot member and the latch member are connected by a slot on one side and a pin on the other side movable in the slot. 제 6 항에 있어서, 상기 래치부재는, 상기 회동부재에 상기 슬롯과 상기 핀에 의해 연결되어 상기 고정부재의 길이방향으로 왕복이동하는 제 1 부재와, 일단부가 상기 회동부재의 캠형상표면에 접촉되고 타단부는 상기 래치부재의 자유단부를 형성하여 상기 고정부재의 길이방향으로 왕복이동하는 제 2 부재를 구비하며, 상기 제 1 부재와 상기 제 2 부재사이에는, 상기 제 1 부재의 상기 회동부재방향으로의 이동을 상기 제 2 부재와 함게 할 경우에만 허용하는 연동수단이 마련되어 있는 것을 특징으로 하는 양측개방형 도어개폐장치.7. The latch member of claim 6, wherein the latch member comprises a first member connected to the pivot member by the slot and the pin to reciprocate in the longitudinal direction of the fixing member, and one end thereof contacts the cam surface of the pivot member. And the other end includes a second member reciprocating in the longitudinal direction of the fixing member by forming a free end of the latch member, and between the first member and the second member, the pivot member of the first member. Both side open door opening and closing device characterized in that the interlocking means is provided only to allow movement in the direction with the second member. 제7항에 있어서, 상기 제 2 부재와 상기 회동부재는 상호 구름접촉하는 것을 특징으로 하는 양측개방형 도어개폐장치.The two-side open door opening and closing device of claim 7, wherein the second member and the rotation member are in rolling contact with each other. 제 7 항에 있어서, 상기 연동수단은 상기 제 1 부재 및 상기 제 2 부재간의 이동방향에서의 걸림턱인 것을 특징으로 하는 양측개방형 도어개폐장치.The two-side open door opening and closing device of claim 7, wherein the linkage means is a locking step in a moving direction between the first member and the second member. 제 1 항 내지 제 9 항중 어느 한 항에 있어서, 상기 대향한 한쌍의 래치부재는 적어도 하나의 매개부재를 통해 간접적으로 접촉하는 것을 특징으로 하는 양측개방형 도어개폐장치.The two-side open door opening and closing device according to any one of claims 1 to 9, wherein the opposing pair of latch members contact each other indirectly through at least one intermediate member. 제10항에 있어서, 상기 매개부재는 압축스프링인 것을 특징으로 하는 양측개방형 도어개폐장치.The two-side open door opening and closing device according to claim 10, wherein the intermediate member is a compression spring. 제10항에 있어서, 상기 매개부재는 곡선상의 경로를 따라 이동가능한 것을 특징으로 하는 양측개방형 도어개폐장치.The two-side open door opening and closing device of claim 10, wherein the intermediate member is movable along a curved path. 제12항에 있어서, 상기 매개부재는 다수의 구름체인 것을 특징으로 하는 양측개방형 도어개폐장치.The two-side open door opening and closing device according to claim 12, wherein the intermediate member is a plurality of rolling bodies. 제 1 항 내지 제 9 항중 어느 한 항에 있어서, 도어개방시 상대측으로 이동한 개방측의 상기 래치부재의 복귀이동을 저지하며, 도어의 폐쇄시 상기 래치부재의 복귀이동을 허용하는 로크수단이 더 마련되어 있는 것을 특징으로 하는 양측개방형 도어개폐장치.10. The locking means according to any one of claims 1 to 9, further comprising a locking means that prevents the return movement of the latch member on the open side that has moved to the other side when the door is opened, and permits the return movement of the latch member when the door is closed. Both sides open door opening and closing device characterized in that provided. 제14항에 있어서, 상기 로코수단은, 상기 래치부재에 설치된 괘지홈과, 상기 괘지흠에 인접하여 상기 고정부재에 도어와 본체사이의 방향으로 부세되도록 지지되어 있으며 상기 괘지홈에 요입될 수 있도록 구성된 괘지핀과, 일단이 도어차 본체사이의 방향으로 돌출될 수 있도록 부세되어 있으며 타단이 상기 괘지핀과 접촉할 수 있도록 구성된 해제핀을 구비하여, 도어의 개방시 상기 괘지핀이 상기 괘지홈에 요입되어 상기 래치부재의 복귀를 저지하며, 도어의 폐쇄시 상기 해제핀이 고정부재의 내측으로 삽입되면서 상기 괘지핀을 상기 괘지홈으로부터 해제하여 상기 래치부재의 복귀를 허용하는 것을 특징으로 하는 양측 개방형 도어개폐장치.15. The method according to claim 14, wherein the roco means, the locking groove provided in the latch member, and is supported to be urged in the direction between the door and the main body to the fixing member adjacent to the locking groove so that it can be inserted into the locking groove Comprised of a ruler pin, and one end is urged so as to protrude in the direction between the main body of the door and the other end is provided with a release pin configured to contact with the ruler pin, when the door is opened, the ruler pin is connected to the ruler groove. Both sides of the open type to prevent the return of the latch member, the release pin is inserted into the inside of the holding member when the door is closed, and release the locking pin from the locking groove to allow the return of the latch member. Door opening and closing device. 제15항에 있어서, 상기 로크수단은 하나의 해제핀에 의해 복수의 괘지핀이 작동하도록 구성되는 것을 특징으로 하는 양측개개형 도어개폐장치.The door opening and closing device of claim 15, wherein the locking means is configured to operate the plurality of locking pins by one release pin. 제14항에 있어서, 상기 로크수단은, 상기 래치부재에 돌설된 길림핀과, 상기 고정부재에 도어와 본체사이의 방향으로 부세되도록 회동가능하게 지지되어 있으며 그 내부에 상기 걸림핀이 삽입되어 이동가능하며 상기 고정부재의 길이방향으로 된 종슬롯과 가로 방향으로 된 횡슬롯으로 이루어진 절곡슬롯을 가지는 제 1 회동로크부재를 구비하여, 도어의 개방시 상기 걸림핀이 상기 횡슬롯에 걸려 래치부재의 복귀를 저지하며, 도어의 폐쇄시 상기 걸림핀이 종슬롯에 위치하여 래치부재의 복귀를 허용하는 것을 특징으로 하는 양측개방형 도어개폐장치.15. The locking means according to claim 14, wherein the locking means is rotatably supported so that the locking pin protrudes from the latch member and the fixing member is urged in the direction between the door and the main body, and the locking pin is inserted therein. And a first rotating lock member having a bending slot consisting of a longitudinal slot in the longitudinal direction of the fixing member and a transverse slot in the horizontal direction, wherein the locking pin is caught by the horizontal slot when the door is opened. Both sides of the open door opening and closing device for preventing the return, the latch pin is located in the longitudinal slot when the door is closed to allow the return of the latch member. 제14항에 있어서, 상기 로크수단은, 상기 래치부재에 돌설된 걸림돌기와, 상기 고정부재에 도어와 본체사이의 방향으로 부세되도록 회동가능하게 지지되어 있으며 그 내부에 상기 걸림돌기가 삽입되어 선회이동가능하도록 괘지홈이 형성되어 있는 제 2 회동로크부재를 구비하여, 도어의 개방시 상기 걸림돌기가 상기 괘지홈에 걸려 래치부재의 복귀를 저지하며, 도어의 폐쇄시 상기 걸림돌기가 상기 괘지홈으로부터 이탈되어 래치부재의 복귀를 허용하는 것을 특징으로 하는 양측개방형 도어개폐장치.15. The locking means according to claim 14, wherein the locking means is rotatably supported so that the locking protrusion protruding from the latch member and the fixing member is urged in the direction between the door and the main body, and the locking protrusion is inserted into the locking member. And a second rotation lock member having a locking groove formed therein so that the locking protrusion is caught by the locking groove to prevent the return of the latch member when the door is opened, and the locking protrusion is separated from the locking groove when the door is closed. Both side open door opening and closing device for allowing the return of the member. 제 1 항 내지 제 9항중 어느 한 항에 있어서, 상기 도어는 그 양측단영역이 부분원통체의 형상으로 형성되어 있는 것을 특징으로 하는 양측개방형 도어개폐장치.10. The door opening and closing device according to any one of claims 1 to 9, wherein the door has both end portions formed in a shape of a partial cylinder. 제 1 항 내지 제 9 항중 어느 한 항에 있어서, 상기 도어는 그 양측단영역이 부분다각기둥의 형상으로 형성되어 있는 것을 특징으로 하근 양측개방형 도어개폐장치.10. The lower opening-side door opening and closing device according to any one of claims 1 to 9, wherein both ends of the door are formed in the shape of a partial polygonal pillar. 제 1 항 네지 제 9 항중 어느 한 항에 있어서, 상기 힌지핀은 축심을 중심으로 자유획전가능한 것을 특징으로 하는 양측개방형 도어개폐장치.10. The two-side open door opening and closing device according to any one of claims 1 to 9, wherein the hinge pin is freely displaceable about an axis. 제20항에 있어서, 상기 힌지핀은 드러스트베어링을 구비한 것을 특징으로 하는 양측개방형 도어개폐 장치.21. The device of claim 20, wherein the hinge pin has a thrust bearing. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940026610A 1993-10-18 1994-10-18 Device capable of opening/closing a door member at either side thereof KR0157397B1 (en)

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KR93-21596 1993-10-18
KR930021596 1993-10-18
KR94-1707 1994-01-29
KR19940001707 1994-01-29
KR19940001706 1994-01-29
KR94-1706 1994-01-29
KR1019940026610A KR0157397B1 (en) 1993-10-18 1994-10-18 Device capable of opening/closing a door member at either side thereof

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KR950011802A true KR950011802A (en) 1995-05-16
KR0157397B1 KR0157397B1 (en) 1998-11-16

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WO1995011362A1 (en) 1995-04-27

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