KR0122503B1 - The cover device of cellular phone - Google Patents

The cover device of cellular phone

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Publication number
KR0122503B1
KR0122503B1 KR1019940020798A KR19940020798A KR0122503B1 KR 0122503 B1 KR0122503 B1 KR 0122503B1 KR 1019940020798 A KR1019940020798 A KR 1019940020798A KR 19940020798 A KR19940020798 A KR 19940020798A KR 0122503 B1 KR0122503 B1 KR 0122503B1
Authority
KR
South Korea
Prior art keywords
cover
button cover
cylindrical
button
cylindrical bushing
Prior art date
Application number
KR1019940020798A
Other languages
Korean (ko)
Other versions
KR960009533A (en
Inventor
오천균
김상복
Original Assignee
김광호
삼성전자주식회사
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.)
Filing date
Publication date
Application filed by 김광호, 삼성전자주식회사 filed Critical 김광호
Priority to KR1019940020798A priority Critical patent/KR0122503B1/en
Publication of KR960009533A publication Critical patent/KR960009533A/en
Application granted granted Critical
Publication of KR0122503B1 publication Critical patent/KR0122503B1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216Foldable in one direction, i.e. using a one degree of freedom hinge

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

The present invention relates to a button cover opening/closing device for a telephone which maintains a given angle when opening a button cover and keeps the cover closed. In the inventive device, cylindrical bushings (10a, 10b) are inserted to a circular hole (8) of a button cover (6), and projections (10aa, 10bb) are formed on the outer end. A cylindrical coil spring (11) is inserted into the bushings (10a, 10b)'s inside, and after closing a cover lid (9), ultrasonic welding is performed for sealing. After assembling the button cover (6), the button cover (6)'s hole (8) is pushed into a jaw formed on a protruding bar (12a) of a front cover (1) and the opposite bushing (10b) is pushed inside to be fitted into the front cover (1)'s jaw. Accordingly, the bushing (10b) is moved to the outside by a spring (11) so that the projection (10bb) and a portion (10bv) contact protruding bar (12b).

Description

전화기의 버튼 커버 개폐장치Button cover switchgear on the phone

제1도는 종래의 버튼 커버 조립단면도.1 is a cross-sectional view of a conventional button cover assembly.

제2도는 종래의 요부 작용도.2 is a conventional lumbar action.

제3도는 본 발명의 휴대용 전화기 구성도.3 is a block diagram of a portable telephone of the present invention.

제4도는 본 발명의 휴대용 전화기의 버튼 커버 동작 상태도.4 is a button cover operation state diagram of the portable telephone of the present invention.

제5도는 본 발명의 버튼 커버 개폐장치 분리 상태도.Figure 5 is a button cover opening and closing device detached state diagram of the present invention.

제6도는 제3도의 A-A선 단면도.6 is a cross-sectional view taken along the line A-A of FIG.

제7도는 본 발명의 원통형 부싱의 산형돌기와 골형상을 나타낸 상태도.Figure 7 is a state diagram showing the ridges and valleys of the cylindrical bushing of the present invention.

제8도는 제7도의 B-B선 단면도.8 is a cross-sectional view taken along the line B-B in FIG.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 앞 커버 6 : 버튼 커버1: front cover 6: button cover

8 : 원형 구멍 9 : 커버 덮게8: round hole 9: cover

10a,10b : 원통형 부싱 10av,10bv : 골10a, 10b: cylindrical bushing 10av, 10bv: goal

10aa,10bb : 산형 돌기 11 : 코일 스프링10aa, 10bb: ridge protrusion 11: coil spring

12a,12b : 돌출 막대12a, 12b: protrusion bar

본 발명은 휴대용 전화기의 버튼 커버 개폐장치에 관한 것으로서, 특히 전화기 본체에 버튼커버를 결합하여, 커버를 열고 닫을 수 있는 버튼 커버 개폐장치에 관한 것이다.The present invention relates to a button cover opening and closing device of a portable telephone, and more particularly, to a button cover opening and closing device that can be opened and closed by coupling a button cover to a telephone body.

휴대용 전화기는 본체에 다이얼버튼과 기능버튼이 설치되어 있어 휴대시 버튼들이 눌리게 되어 전화기가 오동작 할 염려가 있어 이를 방지하기 위하여 버튼 표면을 보호할 수 있도록 버튼 커버를 설치하여 사용하는 것이다. 휴대용 전화기에 있어 버튼 커버 개폐장치는 국내에서도 많은 기술이 개발되어 있으나, 종래의 기술을 미국 특허 제5,257,310호를 참조하여 간략하게 설명하고자 한다.The portable telephone is equipped with a dial button and a function button on the main body, so when the buttons are pressed when carrying, there is a risk that the telephone may malfunction. To prevent this, the button cover is installed to protect the surface of the button. Button cover opening and closing device for a mobile phone has been developed a lot of technologies in the country, but will be briefly described with reference to US Patent No. 5,257,310.

도면 제1,2도를 참조하여 설명하면, 케이스(2)의 돌출부(18)의 원형구멍(20)에 원통형부싱(32)이 삽입되고, 원통형부싱(32)에는 안쪽 끝단에 파형캠(40)이 있는 원통샤프트(30)가 끼워진다. 그리고, 커버(14)의 힌지부(34)에 원통형부싱(32)이 고정되고, 커버(14)의 힌자부(34)와 원통형부싱(32)과 원통샤프트(30)의 회전방지를 위해 핀(36)이 양쪽에 삽입된다.Referring to FIGS. 1 and 2, the cylindrical bushing 32 is inserted into the circular hole 20 of the protrusion 18 of the case 2, and the corrugated cam 40 is formed at the inner end of the cylindrical bushing 32. ) Is fitted with a cylindrical shaft (30). And, the cylindrical bushing 32 is fixed to the hinge portion 34 of the cover 14, the pin to prevent the rotation of the hinge portion 34, the cylindrical bushing 32 and the cylindrical shaft 30 of the cover 14 36 is inserted on both sides.

또한, 케이스(2)에 고정된 스프링(38)의 L형상으로 구부러진 양끝단(38a)이 원통샤프트(30)에안쪽에 끼워지는 구조로 구성되어 있다.Moreover, it is comprised by the structure which both ends 38a bent in the L shape of the spring 38 fixed to the case 2 fit in the cylindrical shaft 30 inside.

상기와 같은 기술의 동작은 스프링(38)의 L형상으로 구부러진 양끝단(38a)이 제2도에 있는 원통샤프트(30)의 파형캠(40)의 골(40b,40d)에 위치하면 스프링(38)이 변형이 없으므로 탄성력이 원통샤프트(30)에 작용하지 않지만, 원통샤프트(30)의 파형캠(40)의 정점(40a,40c)에 위치하면 스프링(38)이 변형되어 탄성력이 원통샤프트(30)에 작용됨으로써 이루어진다.The operation of the above-described technique is carried out when the spring 38 is located at the valleys 40b and 40d of the corrugated cam 40 of the cylindrical shaft 30 in the L-shaped both ends 38a of FIG. 38) Since there is no deformation, the elastic force does not act on the cylindrical shaft 30, but when it is located at the vertices 40a and 40c of the corrugated cam 40 of the cylindrical shaft 30, the spring 38 is deformed and the elastic force is the cylindrical shaft. It is made by acting on (30).

상기와 같은 커버 개폐장치를 구체적으로 설명하면 다음과 같다. 스프링(38)의 끝단(38a)이 원통샤프트(30)의 파형캠(40)의 골(40b)에 위치하면 커버(14)가 안정된 상태를 유지한다. 이때,커버(14)는 제2도에서와 같이 평면 D와 평행상태를 유지하므로 평면 C와 평행한 케이스(2)와 145도를 유지한 채로 열린다.Referring to the cover opening and closing device as described above in detail. When the end 38a of the spring 38 is located at the valley 40b of the corrugated cam 40 of the cylindrical shaft 30, the cover 14 is maintained in a stable state. At this time, the cover 14 is maintained in parallel with the plane D as shown in FIG. 2, so that the cover 14 is opened with the case 2 parallel to the plane C and 145 degrees.

한편, 스프링(38)의 끝단(38a)이 평면 C에 위치하면 스프링(38)의 끝단(38a)의 원통샤프트(30)의 파형캠(40)의 골(40d)과 정검(40a) 사이에서 접촉하므로, 스프링(38)의 탄성력이 커버(14)가 닫히는 방향으로 작용하므로 커버(14)가 닫힌 상태를 유지한다.On the other hand, when the end 38a of the spring 38 is located at plane C, between the valley 40d of the corrugated cam 40 of the cylindrical shaft 30 of the end 38a of the spring 38 and the dagger 40a. Because of the contact, the elastic force of the spring 38 acts in the direction in which the cover 14 is closed, so that the cover 14 remains closed.

그러나, 이러한 종래 전화기의 버튼 커버 개폐장치는 커버(14)의 힌자부(34)와 원통형부싱(32)와 원통샤프트(30)의 회전방지를 위해 핀(36)을 억지끼워 맞춤등의 방법으로 삽입해야 하므로 조립이 어려울 뿐만 아니라, 제품외관에 핀(36)이 노출되므로 고급제품의 의관상 이미지가 손상된다.However, such a button cover opening and closing device of the conventional phone by pressing the pin 36 to prevent the rotation of the hinge portion 34, the cylindrical bushing 32 and the cylindrical shaft 30 of the cover 14 by a method such as fitting Not only is it difficult to assemble because it has to be inserted, the pin 36 is exposed to the exterior of the product, thereby damaging the medical image of the luxury product.

또한, 스프링(38)의 양쪽 끝단(38a)이 원통샤프트(30)의 파형캠(40)과 접촉마찰하면서 동작하므로 마무를 줄이기 위해, 스프링(38)의 재질과 동등한 정도의 원통샤프트(30) 재질을 선정한다면 원통샤프트(30)를 다이캐스트나 기계가공품으로 해야하므로 제품원가가 상승할 뿐만 아니라 제품의 무게가 증가하게 되어 제품의 경량화가 어려워지는 단점이 있다. 뿐만 아니라 스프링(38)이 차지하는 공간으로 인해 케이스(2)의 부품실장 체적이 감소되어 전화기류에서 오늘날 중요시되고 있는 제품의 소형화를 구현하기 어려운 단점을 가지고 있다.In addition, since both ends 38a of the spring 38 operate in contact friction with the corrugated cam 40 of the cylindrical shaft 30, in order to reduce the finishing, the cylindrical shaft 30 of the same level as the material of the spring 38 is reduced. If the material is selected, the cylindrical shaft 30 must be die-cast or machined, so that the product cost not only increases, but also the weight of the product increases, making it difficult to lighten the product. In addition, due to the space occupied by the spring 38, the component mounting volume of the case 2 is reduced, making it difficult to realize miniaturization of products that are important in today's telephones.

또한, 커버(14)를 닫을 경우 스프링(38)의 끝단(38a)이 원통샤프트(30)의 과형캠(40)의 골(40)에서 정점(40a)까지 이동되도록 해야하므로 커버(14)를 닫기 위한 각도변위량(72.5도 이상임)이 크므로 실제 사용시 불편한 단점을 가지고 있다. 그리고, 스프링(38)의 끝단(38a)이 원통샤프트(30)의 파형캠(40)과 한 곳에서만 접하므로 커버(14)를 회전시키는 힘이 약한 단점을 가지고 있다.In addition, when the cover 14 is closed, the end portion 38a of the spring 38 should be moved from the valley 40 of the hypercam 40 of the cylindrical shaft 30 to the vertex 40a. Since the angle displacement for closing (greater than 72.5 degrees) is large, it has an inconvenience in practical use. And, since the end 38a of the spring 38 is in contact with the corrugated cam 40 of the cylindrical shaft 30 only in one place, the force for rotating the cover 14 has a weak disadvantage.

따라서, 본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은 전화기의 버튼 커버를 열었을 때 일정각도를 유지시키고 닫았을 때 닫힌 상태로 유지될 수 있도록 할 뿐만 아니라, 버튼커버의 열고 닫는 동작이 편리한 커버 개폐장치를 제공하는데 있다.Accordingly, the present invention has been made to solve the above problems, the object of the present invention is not only to maintain a constant angle when opening the button cover of the phone and to be kept closed when closed, button cover The opening and closing operation of the cover to provide a convenient opening and closing device.

본 발명의 다른 목적은 버튼 개폐장치의 제작과 조립이 용이하게 하여 제품의 원가를 절감하고 컵의 회전력 증가를 가능케 하는 커버 개폐장치를 제공함에 있다. 본 발명의 또 다른목적은 개폐장치의 구성요소 및 구조를 단순화하여 제품의 소형화, 경량화가 가능케 하는데 있다.Another object of the present invention is to provide a cover opening and closing device to facilitate the manufacture and assembly of the button opening and closing device to reduce the cost of the product and increase the rotational force of the cup. Another object of the present invention is to simplify the components and structure of the switchgear to enable the miniaturization and light weight of the product.

상기와 같은 목적을 달성하기 위한 바람직한 실시예를 첨부된 도면에 의거 상세히 설명되어질 것이다. 도면 제3도 내지 제6도를 참조하여 본 발명의 구성을 설명하면, 버튼 커버(6)의 양측 원형구멍(8)에 원통형부싱(10a,10b)의 바깥쪽 끝단에서는 산형돌기(10aa,10bb)가 형성되어 있다. 이 원통형부싱(10a,b)의 안쪽에 원통코일스프링(11)을 끼우고, 커버덮게(9)를 덮은 후 초음파융착가공을 하여 붙인다.Preferred embodiments for achieving the above object will be described in detail with reference to the accompanying drawings. 3 to 6, the configuration of the present invention will be described. The projections 10aa and 10bb are formed at the outer ends of the cylindrical bushings 10a and 10b in both circular holes 8 of the button cover 6, respectively. ) Is formed. A cylindrical coil spring 11 is inserted into the cylindrical bushings 10a and b, and the cover cover 9 is covered and then ultrasonically fused.

상기 버튼 커버(6)의 조립이 끝난 다음, 전화기의 앞커버(1)에 형성된 돌출막대(12a)의 외곽에 원형으로 형성된 걸림턱을 버튼 커버(6)의 원형구멍(8)에 밀어넣고 반대편의 원통형부싱(10b)을 안쪽으로 밀면서 앞커버(1)의 걸림턱속으로 삽입하면 스프링(11)의 복원력에 의해 원통형부싱(10b)이 바깥쪽으로 이동하여 산형돌기(10bb)의 골(10bv)이 돌출막대(12b)와 접하면서 조립된다.After the assembly of the button cover 6 is finished, the locking jaw formed in a circular shape on the outer side of the protruding bar 12a formed on the front cover 1 of the phone is pushed into the circular hole 8 of the button cover 6 and the opposite side thereof. When pushing the cylindrical bushing (10b) of the inside into the locking jaw of the front cover (1), the cylindrical bushing (10b) is moved outward by the restoring force of the spring 11, the valley (10bv) of the ridge projection (10bb) It is assembled while being in contact with the protruding bar 12b.

본 발명의 작용을 설명하면 원통형부성(10a,10b)의 산형돌기(10aa,10bb)와 앞커버(1)에 형성된 돌출막대(12a,12b)가 서로 접하므로, 스프링(11)의 복원력을 직접 받는 원통형부싱(10a,10b)의 위상에 따라 스프링(11)의 이동거리가 변하면서 발생되는 복원력이 버튼 커버(6)를 회전시키는 모우멘트를 제공함으로써 이루어 진다.Referring to the operation of the present invention, since the projecting rods 12a and 12b formed on the front cover 1 and the protrusions 10aa and 10bb of the cylindrical sub-types 10a and 10b are in contact with each other, the restoring force of the spring 11 is directly The restoring force generated by changing the moving distance of the spring 11 according to the phases of the receiving cylindrical bushings 10a and 10b is achieved by providing a moment to rotate the button cover 6.

이를 구체적으로 설명하면 도면 4도에서와 같이 버튼 커버(6)가 닫혀있는 경우, 제7도와 같이 원통형부싱(10a)의 b-c가 돌출막대(12a)와 접하도록 조립되어 있으므로, 산중턱(10am)에서 돌출막대(12a)와 접한 원통형부싱(10a)은 스프링(11)의 복원력을 받아 경사면을 내려가려고 하기 때문에 시계방향으로 회전하게되므로 원통형부싱(10a)과 같이 회전하는 버튼 커버(6)가 시계방향으로 회전하려고 하므로 닫힌 상태를 유지한다.Specifically, when the button cover 6 is closed as shown in FIG. 4, since the bc of the cylindrical bushing 10a is assembled to contact the protruding bar 12a as shown in FIG. 7, the hillside 10am Since the cylindrical bushing (10a) in contact with the protruding bar (12a) is rotated in the clockwise direction because it is going to descend the inclined surface under the restoring force of the spring (11), the button cover (6) that rotates like the cylindrical bushing (10a) clock It keeps closed because it tries to rotate in the

버튼 커버(6)를 여는 경우, 원통형부싱(10a)의 2곳의 산정상(10ah)이 돌출막대(12a)와 교차하면 원통형부싱(10a)이 반시계 방향으로 회전하여 원통형부싱(10a)의 골(10av)에 앞커버(1)의 돌출막대(12a)가 접하게 되므로 일정각도(예; 135도)가 유지하게 된다.When the button cover 6 is opened, when the two tops 10ah of the cylindrical bushing 10a intersect with the protruding bar 12a, the cylindrical bushing 10a is rotated counterclockwise so that the cylindrical bushing 10a Since the protruding bar 12a of the front cover 1 is in contact with the valley 10av, a predetermined angle (eg, 135 degrees) is maintained.

이때, 원통형부싱(10b)는 제5도와 원통형부싱(10a)과 45도 위상차로 조립되어 있어 버튼 커버(6)가 열린 경우, 원통형부싱(10b)의 a-d 도면 제7도가 돌출막대(12b)와 접한 상태가 되어 버튼 커버(6)를 닫게 하려는 방향으로 회전하지만 원통형부싱(10a)의 골(10av)과 돌출막대(12a)가 접하여 버튼 커버(6)를 고정시키는 힘이 더 크므로 일정각도(예; 135도)가 유지된다.At this time, the cylindrical bushing (10b) is assembled with a fifth degree cylindrical bushing (10a) 45 degrees phase difference, when the button cover (6) is opened, the ad drawing of the cylindrical bushing (10b) 7 degrees and the projection bar (12b) It rotates in the direction to close the button cover 6 in a state of being in contact, but the bone 10av of the cylindrical bushing 10a and the protruding bar 12a are in contact with each other, so that the force for fixing the button cover 6 is greater. Eg 135 degrees).

버튼 커버(6)를 닫는 경우에는, 원통형부싱(10b)의 a-d(도면 제7도)가 돌출막대(12b)와 접한상태에서 원통형부싱(10b)의 산중턱(10bm)과 돌출막대(12b)가 접하게 되어 버튼 커버(6)를 닫는 방향으로 원통형부싱(10b)이 회전함과 동시에 원통형부싱(10a)은 원통형부싱(10a)의 골(10av)과 돌출막대(12a)가 접한 상태에서 원통형부싱(10a)의 산정상(10ah)과 돌출막대(12a)가 접하게 되지만, 원통형부싱(10b)의 회전력으로 인해 버튼 커버(6)는 닫히게 된다. 이때, 버튼 커버(6)를 닫기 위한 각도변위량은 45도 이상으로 줄어든다. 결국,버튼 커버(6)가 닫힌 상태와 열리는 시작하는 지점에서는 원통형부싱(10a)의 회전력에 의해 닫히기 시작하는 지점에서는 원통형부싱(10b)의 회전력에 의해서 버튼 커버(6)가 회전하고 열리는 동작과 닫히는 동작중에는 원통형부싱(10a),(10b)의 회전력의 합에 의해 회전하게 된다.In the case of closing the button cover 6, the mount (10bm) and the protruding rod 12b of the cylindrical bushing 10b in a state where ad (Fig. 7) of the cylindrical bushing 10b is in contact with the protruding rod 12b. The cylindrical bushing 10b is rotated in the direction of closing the button cover 6 and the cylindrical bushing 10a is the cylindrical bushing in a state in which the valley 10av and the protruding bar 12a of the cylindrical bushing 10a are in contact with each other. While the top 10ah of the 10a and the protruding rod 12a come into contact with each other, the button cover 6 is closed due to the rotational force of the cylindrical bushing 10b. At this time, the amount of angular displacement for closing the button cover 6 is reduced to 45 degrees or more. As a result, the button cover 6 is rotated and opened by the rotational force of the cylindrical bushing 10b at the point where the button cover 6 is closed and starts to open by the rotational force of the cylindrical bushing 10a. During the closing operation, the cylindrical bushes rotate by the sum of the rotational forces of the bushings 10a and 10b.

본 발명의 효과는 전화기의 버튼 커버를 열었을 때 일정각도를 유지시키고 닫았을 때 닫힌 상태도 유지될 수 있도록 할 뿐만 아니라, 각 원통형부싱의 위상차를 달리해 커버를 열고 닫는 동작이 편리한 개폐장치를 제공하는데 있다. 본 발명의 다른 효과는 버튼 커버 개폐장치의 제작과 조립이 용이하게 하여 제품의 원가를 절감하고 산형돌기와 돌출막대가 두 지점에서 엇갈린 상태로 접하게 하여 커버의 회전모우멘트를 증대시키는 데에 있다. 본 발명의 또다른 효과는 버튼 커버 개폐장치의 구성요소 및 구조를 단순화하여 제품의 소형화, 경량화가 가능케 하는데 있다.The effect of the present invention not only not only maintains a constant angle when the button cover of the phone is opened and also maintains a closed state when closed, but also provides a convenient opening and closing operation by opening and closing the cover by varying the phase difference of each cylindrical bushing. It is. Another effect of the present invention is to increase the rotation moment of the cover by facilitating the manufacture and assembly of the button cover opening and closing device to reduce the cost of the product and contact the ridge projection and the projection bar in a staggered state at two points. Another effect of the present invention is to simplify the components and structure of the button cover opening and closing device to enable the miniaturization, light weight of the product.

Claims (2)

전화기의 버튼 커버 개폐 장치에 있어서, 전화기의 버튼 커버(6)에 형성된 원형구멍(8)에 원통형부싱(10a),(10b)을 삽입하고, 이 원통형부싱(10a,10b)의 안쪽에 스프링(11)을 끼우고, 커버덮개(9)를 덮은 후 초음파용착가공을 하고 봉하고, 상기 버튼커버(6)의 원형구멍(8)속으로 들어가도록 한 다음, 반대편의 원통형부싱(10b)을 안쪽으로 밀면서 앞커버(1)의 걸림턱속으로 삽입하면 스프링(11)의 복원력에 의해 원통형부싱(10b)을 안쪽으로 밀면서 앞커버(1)의 걸림턱속으로 삽입하면 스프링(11)의 복원력에 의해 원통형부싱(10b)이 바깥쪽으로 이동하여 산형돌기(10bb)의 골(10bv)이 돌출막대(12b)와 접하도록 조립된 것을 특징으로 하는 전화기의 버튼 커버 개폐장치.In the button cover opening and closing apparatus of the telephone, cylindrical bushings 10a and 10b are inserted into a circular hole 8 formed in the button cover 6 of the telephone, and a spring (inside the cylindrical bushings 10a and 10b) is inserted. 11), cover the cover cover (9), and then ultrasonically welded and sealed, to enter into the circular hole (8) of the button cover 6, and then the opposite cylindrical bushing (10b) inward Pushing the cylindrical bushing 10b by the restoring force of the spring 11 when it is inserted into the locking step of the front cover 1 and pushing it into the locking jaw of the front cover 1 by pushing the cylindrical bushing 10b inwardly. The button cover opening and closing device of the telephone, characterized in that the bone 10bv of the ridge protrusion 10bb moves to the outside to be in contact with the protruding bar 12b. 제1항에 있어서. 상기 원통형부싱(10a),(10b)는 산형돌기(10aa,10bb)와 골(10av,10bv)을 형성하며, 원통형부싱(10a)는 버튼 커버(6)가 닫힌 상태에서 돌출막대(12a)와 접하고 일정각도로 열린상태에서눈 골(10av)에서 접하며, 원통형부싱(10b)는 일정각도로 열린상태에서는 돌출막대(12b)와 접하고, 닫힌 상태에서 골(10bv)와 접하는 것을 특징으로 하는 전화기의 버튼 커버 개폐장치.The method of claim 1. The cylindrical bushings 10a and 10b form the ridges 10aa and 10bb and the valleys 10av and 10bv, and the cylindrical bushing 10a is provided with the protruding rod 12a in a state where the button cover 6 is closed. In contact with the eye bone 10av in the open state at a constant angle, the cylindrical bushing 10b is in contact with the protruding bar 12b in the open state at a predetermined angle, and in contact with the bone 10bv in the closed state of the phone Button cover switchgear.
KR1019940020798A 1994-08-23 1994-08-23 The cover device of cellular phone KR0122503B1 (en)

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KR1019940020798A KR0122503B1 (en) 1994-08-23 1994-08-23 The cover device of cellular phone

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KR0122503B1 true KR0122503B1 (en) 1997-11-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6085387A (en) * 1998-05-18 2000-07-11 Phoenix Korea Co., Ltd. Hinge device
US7171247B2 (en) 2001-04-26 2007-01-30 Phoenix Korea Co., Ltd. Hinge device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6085387A (en) * 1998-05-18 2000-07-11 Phoenix Korea Co., Ltd. Hinge device
US7171247B2 (en) 2001-04-26 2007-01-30 Phoenix Korea Co., Ltd. Hinge device

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