Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
  • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
  • H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04B—TRANSMISSION
  • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
  • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M1/00—Substation equipment, e.g. for use by subscribers
  • H04M1/02—Constructional features of telephone sets
  • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
  • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
  • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
  • H04M1/021—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts using combined folding and rotation motions
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M1/00—Substation equipment, e.g. for use by subscribers
  • H04M1/02—Constructional features of telephone sets
  • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
  • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
  • H04M1/0247—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings comprising more than two body parts
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M1/00—Substation equipment, e.g. for use by subscribers
  • H04M1/02—Constructional features of telephone sets
  • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
  • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
  • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
  • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04M—TELEPHONIC COMMUNICATION
  • H04M1/00—Substation equipment, e.g. for use by subscribers
  • H04M1/02—Constructional features of telephone sets
  • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
  • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
  • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
  • H04M1/0225—Rotatable telephones, i.e. the body parts pivoting to an open position around an axis perpendicular to the plane they define in closed position
  • H04M1/0233—Including a rotatable display body part

Definitions

• the present invention relates to a swing hinge mounted to a mobile device such as a radio telephone.
• Mobile devices such as radio telephones include a keypad having a plurality of buttons and a liquid crystal display providing a screen.
• a keypad and the liquid crystal display are provided in one case unit together.
• it is not preferable that a keypad and the liquid crystal display are provided in one case unit together.
• the areas of radio telephones are so large that it is inconvenient to carry them.
• radio telephones each having two case units in which a keypad and a liquid crystal display are provided respectively and one of them overlaps the other are being mainly used.
• FIG. 1 illustrates a foldable radio telephone having two units that can be folded and unfolded.
• FIGS. l(a) and l(b) illustrate closed and opened states of a foldable radio telephone respectively.
• a liquid crystal display 13a is longitudinally disposed.
• FIG. 2 illustrates a state of the liquid crystal display in which the liquid crystal display 13a is transversely disposed after it is rotated.
• the rotational shaft (rotational shaft of the swing hinge) of the liquid crystal display 13a is fixed, the liquid crystal display 13a is located at a relatively upper side as illustrated in FIG. 2. Disclosure of Invention
• the present invention has been made in view of the above problems, and it is an object of the present invention to provide a swing hinge suitable for a mobile device such as a radio telephone. It is another object of the present invention to provide a swing hinge having a rotational shaft that moves during rotation thereof.
• the present invention provides a swing hinge coupling a first unit and a second unit that overlap each other such that the first unit and the second unit are rotated about rotary axes
• the swing hinge comprising: a body coupled to the first unit and having a first orbit formed in a plane perpendicular to the rotary axis; a rotator coupled to the second unit to be rotated about the rotary axis about the body; and a first resilient member providing a resilient force between the body and the rotator, wherein the body has a guide hole accommodating a rotational shaft of the rotator and extending to one side in a plane perpendicular to the rotary axis, the rotator has a first movable member that moves along the first orbit of the body, and the first orbit extends between a first position and a second position, a first intermediate position is provided between the first position and the second position, and a portion of the first orbit between the first intermediate position and the second position extends substantially in parallel to the
• the guide hole of the body may extend linearly.
• the body may have a second orbit formed in a plane perpendicular to the rotary axis and the rotator may have a second movable member that moves along the second orbit.
• the swing hinge may further include a second resilient member providing a resilient force between the body and the rotator.
• the first resilient member and the second resilient member may be torsion springs.
• the first resilient member may be engaged with the first movable member and the second resilient member may be engaged with the second movable member.
• the rotator may have a connection plate coupled to the second unit and a shaft portion movably inserted into the guide hole of the body.
• a swing hinge since a swing hinge includes two orbits that move relative to each other, the rotational shaft of the swing hinge can be moved, thereby lowering the center of gravity of a radio telephone.
• FIG. 1 is a perspective view illustrating a foldable radio telephone having a rotatable screen, in which FIGS. l(a) and l(b) illustrate closed and opened states of the screen;
• FIG. 2 is a perspective view of a conventional foldable radio telephone having a rotatable screen, in which the screen is rotated by 90 degrees in the state of FIG. l(b);
• FIG. 3 is a perspective view of a foldable radio telephone having a rotatable screen to which a swing hinge according to an embodiment of the present invention is mounted, in which the screen is rotated by 90 degrees in the state of FIG. l(b);
• FIG. 4 is perspective view of a swing hinge according to the embodiment of the present invention.
• FIG. 5 is an exploded perspective view of the swing hinge of FIG. 4.
• FIGS. 6 to 18 are views illustrating the operations of the swing hinge in steps in the process of changing the state of the screen from FIG. l(b) to FIG. 3. Best Mode for Carrying Out the Invention
• a foldable radio phone 10 to which a swing hinge 20 according to an embodiment of the present invention is mounted includes a main body 12 and a foldable body 14 that can be folded or unfolded with respect to the main body 12.
• a keypad (not shown) is provided in the main body 12.
• the foldable body 14 includes a connection unit 15 connected to the main body 12 so as to rotate about a first rotary axis 100, and a display unit 16 coupled to the connection unit 15 by a swing hinge 20 and having a liquid crystal display 13.
• the connection unit 15 is rotated with respect to the main body 12 about the first rotary axis 100 so that the liquid crystal display 13 of the display unit 16 is opened and closed when the radio telephone 10 is folded and unfolded.
• the connection unit 15 includes a plate-like support 151 and a connector 153 provided at one end of the support 151.
• the connector 153 is inserted between two connectors 121 protruding from the main body 12 so as to be rotated by a hinge unit.
• An accommodation section (not shown) that is recessed such that a body 30 (described later) of the swing hinge 20 is firmly fitted thereinto is provided in the support 151.
• the connection unit 15 is coupled and fixed to the body 30 of the swing hinge 20 and a rotator 70 (described later) of the swing hinge 20 is coupled and fixed to the display unit 16.
• the swing hinge 20 includes a body 30, a rotator 70, and first and second resilient members 80 and 90.
• the body 30 includes a first member 32 and a second member 34.
• the first member 32 includes a flat base plate 31 and side walls 33 extending from the base plate 31.
• a passage hole (guide hole) is formed at a central portion of the base plate 31, and a first orbit 312 and a second orbit 313 are formed around the passage hole 311.
• a contact member 74 (described later) of the rotator 70 is inserted into the passage hole 311 and extends substantially linearly so that it can be moved in a direction perpendicular to a second rotary axis 110.
• a connection plate 72 (described later) of the rotator is located on the outer surface of the base plate 31.
• the first orbit 312 and the second orbit 313 substantially surround the passage hole 311.
• the first orbit 312 extends from a first position 3121 to a second position 3122 clockwise about the second rotary axis 110.
• a first intermediate position 3123 is provided between the first position 3121 and the second position 3122.
• the first orbit 312 extends substantially transversely between the first position 3121 and the intermediate position 3123 and substantially longitudinally between the first position 3121 and the second position 3122.
• the direction along which the passage hole 311 extends in the base plate 31 is referred to as the longitudinal direction, and the direction perpendicular to the longitudinal direction is referred to as the transverse direction.
• the first orbit 312 is inclined upward to some degree from the first position 3121 to the first intermediate position 3123 and extends relatively long to the right side.
• the first orbit 312 extends right to some degree from the first intermediate position 3123 to the second position 3122 and extends downward relatively long.
• the second orbit 313 extends clockwise from a third position 3131 to a fourth position 3132 about the second rotary axis 110.
• a second intermediate position is provided between the third position 3131 and the fourth position 3132.
• the second orbit 313 extends long to the left from the third position 3131 to the fourth position 3132 and extends downward relatively short.
• the second member 34 has substantially the same structure as that of the first member 32, in which case a description thereof will be omitted.
• a first ring-shaped movable member 40 that moves along the first orbit 312 is inserted into the first orbit 312.
• the first movable member 40 is engaged with the first orbit 312 using a first pin 42.
• the first pin 42 is coupled to the connection plate 72 of the rotator 70.
• a first resilient member 80 is coupled to the first movable member 40.
• a second ring-shaped movable member 50 that moves along the second orbit 313 is inserted into the second orbit 313.
• the second movable member 50 is engaged with the second orbit 313 using a second pin 52.
• the second pin 52 is coupled to the connection plate 72 of the rotator 70.
• the body 30 includes a first engager 38 to which the first resilient member 80 is connected and a second engager 39 to which the second resilient member 90 is connected.
• the body 30 is fixed to the connection unit 15 of the radio telephone 10.
• the rotator 70 includes a connection plate 72, a contact member 74, and a coupling member 76.
• the connection plate 72 has a through-hole 721 and is located outside the body 30.
• the connection plate 72 can be rotated together with the display unit 16 of the radio telephone 10 with respect to the body 30 about the second rotary axis 110.
• the coupling member 76 is inserted into the through-hole 721 and coupled to the through-hole 721.
• the contact member 74 is a ring-shaped member inserted into the passage hole 311 of the body 30.
• the coupling member 76 is inserted into the contact member 74 and one end thereof is inserted into and coupled to the through-hole 721 of the connection plate 72.
• the coupling member 76 is a hollow member, and a cable can pass through the hollow empty space.
• the contact member 74 and the coupling member 76 can linearly move along the extension direction of the passage hole 311.
• the contact member 74 and the coupling member 76 form a shaft section of the rotator 70.
• the first resilient member 80 is a torsion spring, and includes a coil 82 and first and second extensions 84 and 85 that extend from the coil 82.
• a first hook-shaped connector 841 is formed at one end of the first extension 84 and a second connector 851 is formed at one end of the second extension 85.
• the first connector 841 is inserted into and engaged with the first engager 38 and the second connector 851 is inserted into and engaged with the first movable member 40.
• the second resilient member 90 has the same structure as that of the first resilient member 80.
• the first connector 941 is inserted into and engaged with the second engager 39 of the body 30 and the second connector 951 is inserted into and coupled to the second movable member 50.
• the display unit 16 is disposed long longitudinally, the first movable member 40 is located at the first position 3121 of the first orbit 312, and the second movable member 50 is located at the third position 3131 of the second orbit 313.
• the contact member 74 of the rotator 70 i.e. the rotational shaft of the rotator 70 is located above the passage hole 311.
• the first resilient member 80 and the second resilient member 90 provide resilient forces in a direction against which the connection plate 72 of the rotator 70 is restrained from rotating clockwise. Accordingly, the display unit 16 is stably maintained in the transverse direction.
• the first movable member 40 and the second movable member 50 move along the first orbit 312 and the second orbit 313 against the resilient forces of the resilient members 80 and 90 and are located at the first intermediate position 3123 and the second intermediate position 3133 as illustrated in FIG. 13.
• the position of the contact member 74 is maintained as it is until then.
• the first movable member 40 passes through the first intermediate position 3133 of the first orbit 312 and the second movable member 50 passes through the second intermediate position 3133 of the second orbit 313 as illustrated in FIG. 14.
• the resilient members 80 and 90 apply forces to rotate the connection plate 72 clockwise.
• the first movable member 40 is moved to the right lower side in the first orbit 312 and the second movable member 50 is moved to the left lower side in the second orbit 313.
• the contact member 74 i.e. the rotational shaft of the rotator 70 moves downward along the passage hole 311.
• the first movable member 40 is located at the second position 3122 of the first orbit 312 and the second movable member 50 is located at the fourth position of the second orbit 313.
• the contact member 74 is located below the passage hole 311 and the display unit 16 is disposed transversely on the lower side. This state is illustrated in FIG. 18.
• the dotted lines indicate the state in which the central shaft of the display unit 16 is not moved downward but is rotated.
• the swing hinge is mounted to a radio telephone in the embodiment of the present invention, the present invention is not limited thereto. It will be understood to those skilled in the art that the swing hinge may be mounted to other mobile devices.

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• Engineering & Computer Science (AREA)
• Signal Processing (AREA)
• Computer Networks & Wireless Communication (AREA)
• Telephone Set Structure (AREA)
• Pivots And Pivotal Connections (AREA)

Priority Applications (1)

Applications Claiming Priority (2)

Publications (2)

Family

ID=40373167

Family Applications (1)

Country Status (3)

Cited By (1)

Families Citing this family (3)

Citations (3)

Family Cites Families (5)

• 2007
  • 2007-10-04 KR KR1020070099722A patent/KR100875856B1/ko not_active IP Right Cessation
• 2008
  • 2008-09-30 CN CN200880107454A patent/CN101803212A/zh active Pending
  • 2008-09-30 WO PCT/KR2008/005741 patent/WO2009045033A2/en active Application Filing

Patent Citations (3)

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