A portable computer having a display connected to a main body, the display rotating to be adjusted to a closed position and to a tablet operation position. Arm links between the main body and the display connect the display with the main body. Display hinges are between the display and a first end o
A portable computer having a display connected to a main body, the display rotating to be adjusted to a closed position and to a tablet operation position. Arm links between the main body and the display connect the display with the main body. Display hinges are between the display and a first end of each of the arm links and by which the display rotates about the arm links centering on a first rotation axis. Main body hinges are between the main body and a second end each of the arm links and by which the arm links rotates about the main body centering on a second rotation axis parallel with and spaced from the first rotation axis. A connecting link connected to each of the main body hinges to rotate about the main body centering on the second rotation axis together with the arm links.
대표청구항▼
What is claimed is: 1. A portable computer comprising: a main body having a processor; a display which is controlled by the processor to display information having a first surface and a second surface opposite the first surface, the display being adjustably connected to the main body so as to be ad
What is claimed is: 1. A portable computer comprising: a main body having a processor; a display which is controlled by the processor to display information having a first surface and a second surface opposite the first surface, the display being adjustably connected to the main body so as to be adjusted to a closed position, in which the first surface is substantially parallel with and in contact with the main body to be folded onto the main body, and to a tablet operation position, in which the second surface is substantially parallel with and in contact with the main body to be folded onto the main body; a pair of arm links to connect the display with the main body; display hinges comprising a first hinge shaft rotatably connected between the display and corresponding first ends of the arm links and about which the display rotates relative to the pair of arm links on a first rotation axis of the first hinge shaft; main body hinges comprising a second hinge shaft rotatably connected between the main body and corresponding second ends of the arm links and rotatably connected about which the pair of arm links rotates relative to the main body on a second rotation axis of the second hinge shaft substantially parallel with and spaced from the first rotation axis; and a connecting link having a first cover to cover an upper part of the connecting link and a second cover to cover a lower part of the connecting link, the connecting link being removably connected to each of the second hinge shafts of the main body hinges and rotating about the main body on the second rotation axis together with the arm links. 2. The portable computer according to claim 1, wherein a first one of the arm links is disposed at a first side of the display and is substantially parallel with a second one of the arm links, and the second arm link is disposed at a second side of the display opposite to the first side. 3. The portable computer according to claim 2, wherein each of the arm links comprises: an outer cover forming an outer enclosure, and an inner cover combined to the outer cover to form an accommodating space inside the corresponding arm link, the inner cover comprising a first end having a first hinge hole, and a second end opposite the first end and comprising an extended part having a second hinge hole, the inner cover being located closer to a side surface of the display than the outer cover. 4. The portable computer according to claim 3, wherein the display comprises: an LCD panel viewable from the first surface, a first cover, and a second cover connected to the first cover to support the corresponding sides of the LCD panel. 5. The portable computer according to claim 4, wherein each of the display hinges comprises: a first shaft member comprising the first hinge shaft that passes through the first hinge hole and is aligned with the first rotation axis, and a first shaft supporter rotatably connected to the first hinge shaft with a predetermined rotation friction; and a first shaft supporting bracket combined to the second cover to support the first shaft member on the display. 6. The portable computer according to claim 5, wherein: one of the first shaft members has a first cable through hole formed along the first rotation axis, and a corresponding one of the first shaft supporting brackets has a first hinge shaft hole aligned with the first cable through hole and which accommodates the first hinge shaft which passes through the first hinge hole of the inner cover. 7. The portable computer according to claim 4, wherein: the first cover comprises a first latch hole, the second cover comprises a second latch hole, and the portable computer further comprises a latch member to be latched to or released from the first latch hole when the display is in the closed position and to be latched to or released from the second latch hole when the display is in the tablet operation position. 8. The portable computer according to claim 7, further comprising a knob connected to the latch member to move the latch member between a latching position and a releasing position so as to be latched to or released from the first and second latch holes. 9. The portable computer according to claim 3, wherein each of the main body hinges comprises a second shaft member interposed between the extended part of the corresponding arm link, a corresponding one of opposite ends of the connecting link, and the main body. 10. The portable computer according to claim 9, wherein each of the second shaft members comprises: the second hinge shaft inserted so as to be stationary in the second hinge hole of the corresponding extended part aligned with the second rotation axis; a second shaft supporter having a first end rotatably connected to the second hinge shaft with a predetermined rotation friction and a second end to be connected to the main body; and a second shaft member connector extended from the second hinge shaft toward the corresponding end of the connecting link to which the second shaft member is connected. 11. The portable computer according to claim 10, wherein each of the second hinge shafts comprises: a second cable through hole formed along the second rotation axis and in communication with the accommodating space of the corresponding arm link; and an opening in communication with the second cable through hole and formed between the corresponding second shaft member connector and the corresponding second hinge shaft. 12. The portable computer according to claim 11, further comprising at least one cable having a first end connected to the display and a second end connected to the main body. 13. The portable computer according to claim 12, wherein: the at least one cable comprises a pair of cables, and each of the cables has the first end connected to the display and the second end connected to the main body by passing through the accommodating space inside of the corresponding arm link to be connected to the main body. 14. The portable computer according to claim 13, wherein the second end of each of the cables: passes through the first cable through hole of the corresponding first shaft member, the accommodating space inside of the corresponding arm link, and the second cable through hole of the corresponding second hinge shaft, and is drawn out through the opening of the corresponding second hinge shaft to be connected to the main body. 15. The portable computer according to claim 10, wherein one of the second shaft member connectors is connected to the corresponding end of the connecting link using a fastener. 16. The portable computer according to claim 10, wherein one of the second shaft member connector is forcibly fitted to the corresponding end of the connecting link so as to be connected to the connecting link. 17. The portable computer according to claim 16, wherein the second shaft member connector has a shape that is substantially the same but other than a shape of the corresponding end of the connecting link such that the second shaft member connecter overlaps the corresponding end of the connecting link so as to be forcibly connected to the connecting link. 18. The portable computer according to claim 17, wherein the second shaft member connector has a circular cross sectional shape that is substantially the same but has a diameter which is less than a diameter of a circular cross sectional shape of the corresponding end of the connecting link such that the second shaft member connecter fits within the corresponding end of the connecting link so as to be forcibly connected to the connecting link. 19. The portable computer according to claim 1, wherein: each of the main body hinges is provided between a second end of the corresponding arm link and a corresponding upper part of the rear side of the main body, and the connecting link is on the first of the main body to be aligned with the second rotation axis. 20. The portable computer according to claim 1, further comprising a battery assembly provided under the first side at which the connecting link is on, the battery assembly being detachably connected to the main body. 21. The portable computer according to claim 1, wherein: each of the display hinges provides a predetermined amount of friction such that the display hinges provide a sufficient amount of force to maintain the display at a predetermined angle relative to the pair of arm links, and each of the main body hinges provides a predetermined amount of friction such that the main body hinges maintain the pair of arm links at a predetermined angle relative to the main body. 22. The portable computer according to claim 1, further comprising first and second cables which pass power and/or electrical signals between the main body and the display, wherein the first cable passes through an interior of a first one of the arm links and the second cable passes through an interior of a second one of the arm links other than the first arm link. 23. The portable computer according to claim 22, wherein: each of the display hinges includes a through hole through which the corresponding one of the first and second cables pass between the main body and the interior of the corresponding one of the arm links, and each of the main body hinges includes a through hole through which the corresponding one of the first and second cables pass between the display and the interior of the corresponding one of the arm links. 24. An apparatus for displaying information comprising: a main body; a display comprising a display housing including a display surface on which information is displayed; and a link comprising first elements connected to the main body using corresponding body hinges and connected to the display using corresponding display hinges, and a second element removably connected between the first elements, the second element having a first cover to cover an upper part of the second element and a second cover to cover a lower part of the second element; wherein: the link is rotatably connected to the main body and the display such that the display surface can be rotated to be substantially parallel with and facing the main body in a first position, to be substantially parallel with and facing away from the main body in a second position, and to be substantially non-parallel with the main body in a third position, the body hinges include torsional elements which maintain the first element at a predetermined angle relative to the main body, the display hinges include torsional elements which maintain the first element at a predetermined angle relative to the display, each of the display hinges comprises a first pivot mechanism comprising: a first shaft rotatably attached to the first element and extending through a first hinge hole of the first element; and a first shaft bracket attached within the display housing and which receives and non-rotatably supports the first shaft received through an opening in the display housing and the first hinge hole, and each of the body hinges comprises a second pivot mechanism comprising: a second shaft received in and rotatably attached at an opening in the first element, and an extended portion non-rotatably attached to the second element and the second shaft such that the first and second elements rotate according to the rotation of the second shaft. 25. The apparatus of claim 24, wherein the first pivot mechanism further comprises a first shaft supporter which non-rotatably connects to the first element and which includes a rotational element connected to the first shaft and which applies a frictional force to act as one of the torsional elements. 26. The apparatus of claim 24, wherein the second pivot mechanism further comprises a second shaft supporter which non-rotatably connects to the main body and which includes a rotational element connected to the second shaft and which applies a frictional force to act as one of the torsional elements. 27. The apparatus of claim 26, wherein the second element comprises a bar member extending between opposing sides of the main body. 28. The apparatus of claim 27, wherein: each of the first elements includes a housing having a first passageway, each of the first pivot mechanisms includes a first through hole in communication with the first passageway and an interior of the display housing, each of the second pivot mechanisms includes a second through hole in communication with the first passageway and an interior of the main body, and the apparatus further comprises cables passing through the first passageway, the first and second through holes so as to pass information and/or power between the display and the main body. 29. The apparatus of claim 28, wherein the first and second pivot mechanisms pivot about substantially parallel axes. 30. A portable computer comprising: a main body having a processor; a display which is controlled by the processor to display information having a first surface and a second surface opposite the first surface, the display being adjustably connected to the main body so as to be adjusted to a closed position, in which the first surface is substantially parallel with and in contact with the main body to be folded onto the main body, and to a tablet operation position, in which the second surface is substantially parallel with and in contact with the main body to be folded onto the main body; a pair of arm links to connect the display with the main body; display hinges comprising a first hinge shaft rotatably connected between the display and corresponding first ends of the arm links and about which the display rotates relative to the pair of arm links on a first rotation axis of the first hinge shaft; main body hinges comprising a second hinge shaft rotatably connected between the main body and corresponding second ends of the arm links and rotatably connected about which the pair of arm links rotates relative to the main body on a second rotation axis of the second hinge shaft substantially parallel with and spaced from the first rotation axis; a substantially pipe-shaped connecting link rotating about the main body on the second rotation axis together with the arm links; and insertion parts protruding from the second hinge shaft toward opposite ends of the connecting link and forcibly fitted to each of the opposite ends of the connecting link, so as to resist torsion between the pair of arm links and the display. 31. The portable computer of claim 30, wherein the insertion parts have grooves and are forcibly fitted to each of the opposite ends of the connecting link having a groove.
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