Abstract: The description relates to devices, such as computing devices that have hinged portions. One example can include a first portion and a second portion. This example can also include a sequential multi-pivot hinge assembly rotatably securing the first portion and the second portion. The sequential multi-pivot hinge assembly can include rotation control elements configured to control a relative order of rotation around axes of rotation of the sequential multi-pivot hinge assembly.

Abstract: Electronic devices may be provided that contain multiple housing portions. The housing portions may be coupled together using hinges. The hinges may include hinges based on a three-bar linkage, hinges based on a four-bar linkage, hinges with slotted members, hinges formed from flexible support structures, and hinges based on flexible housing structures. Flexible displays may be mounted to the housing portions overlapping the hinges. When the housing portions in a device are rotated relative to each other, the flexible display may bend. The hinge may be configured to allow the flexible display to be placed in a front-to-front configuration in which an active side of the display faces itself or a back-to-back configuration. Engagement structures may be used to help the housing grip external objects and to hold the housing portions together. The hinges may be provided with rotational detents to help hold the flexible display in desired positions.

Abstract: The present disclosure relates to the field of display devices and discloses a foldable display device comprising: a main body structure and a flexible screen provided on a surface of the main body structure; the main body structure includes two flat plate areas and a bending area connecting the two flat plates and making the two flat plate areas have an opening and closing angle of 0 degrees to at least 180 degrees between; the bending area having a minimum bending radius at the time of bending so that the flexible screen attached to the surface of the bending area also has a minimum bending radius, which is greater than a critical bending radius of the flexible screen. The present disclosure allows the flexible screen to have a minimum bending radius when the screen is folded, preventing the flexible screen from being damaged by excessive bending.

Abstract: Technologies are described for a fully integrated multi-pivot hinge module to rotatably secure portions of a computing device. The multi-pivot hinge module includes multiple sequential frames that are radially aligned and configured to control a relative order of opening and closing of each individual frame. The multi-pivot hinge module includes friction, timing and kinematic components for controlling the order of rotation, degree of rotation and increasing stability of the module.

Abstract: Technologies are described for a set of removable couplers configured to secure sequential hinge covers over a sequential multi-pivot hinge module for rotatably securing portions of a computing device. The removable couplers may be configured to engage each end of a shaft, where the shaft rotatably couples frames of the multi-pivot hinge module together. Each of the removable couplers may include threaded holes for engaging a fastening component to secure a hinge cover over each frame. The hinge covers may be installed sequentially over each frame of the multi-pivot hinge module, by installing a frame, attaching removable couplers and securing the hinge cover, and repeating the process for each hinge cover.

Abstract: Embodiments of the present invention disclose a dual-part hinge assembly for a portable electronic device. According to one embodiment, the portable computing device includes a display and a base housing connected via the dual-part hinge assembly. Furthermore, the dual-part hinge assembly comprises a first portion and a second portion that extends behind the first portion when the display transitions to an open position so as to provide stability for the computing device.

Abstract: A protective case for a mobile device is disclosed. The protective case includes a front cover, a back cover, and a relatively rigid shell. The front cover includes multiple fold lines that extend across the cover and allow adjacent regions of the cover to rotate or move relative to each other. The shell is configured to receive and retain the mobile device while providing user access to the mobile device. The shell has an outer surface configured to include a latch with an integrated hook. In operation, the latch hooks and retains one end section of the front cover to maintain the device in an angled use position when open. When in the fully closed position the latch fits within an aperture defined within a back end region of the front cover. Magnets incorporated into the front cover assist in maintaining the case in the fully closed position.

Abstract: A hinge includes connection members, a first fixing member, a second fixing member, a first axle, a second axle, and a third axle. Each connection member includes a first slide block, a second arc surface, a first arc surface, and a second slide block. A first circular hole penetrates through the first slide block. A first arc hole penetrates through the second slide block. The first fixing member includes a third arc surface and a third slide block with a second arc hole. The second fixing member includes a fourth slide block with a second circular hole and a fourth arc surface. The first axle passes through the second arc hole and the first circular hole. The second axle passes through the second circular hole and the first arc hole. The third axle passes through the first circular hole and the first arc hole.

Abstract: A hinge device applicable to soft display module includes a joint unit assembly. The joint unit assembly has a main section, a first side, a second side and a top section. The joint unit assembly has multiple shaft guide sections and shaft fixing sections positioned on the main section and respectively assembled with the motional shafts. A rotary shaft and a socket are formed on the first and second sides of the joint unit assembly along the top section. A (soft) display module is disposed on the top section of the joint unit assembly. The shaft guide section of the joint unit assembly is defined with a first position and a second position. When operating and opening/closing the display module, the rotary shafts serve as rotational fulcrums, whereby the motional shafts are relatively rotatable between the first and second positions of the shaft guide section.

Abstract: The description relates to devices, such as computing devices that have hinged portions. One example can include a first portion and a second portion. This example can also include a multi-pivot hinge unit rotatably securing the first and second portions. This example can further include a set of rigid hinge cover portions that are configured to be able to rotate relative to one another while collectively covering the multi-pivot hinge unit.

Abstract: A bendable display apparatus includes two supporting devices, a carrying plate, and a soft display mounted on the carrying plate. Each supporting device includes a hinge module and two buffering modules respectively installed on two opposite sides of the hinge module. Each buffering module includes an external linking member fixed on the hinge module, an internal linking member fixed on the carrying plate and being movable with respect to the external linking member, and a gear driven by the hinge module to move the internal linking member. Each hinge module is bendable between an unfolded position and an inwardly folded position. When the hinge module is bent from the unfolded position toward the inwardly folded position, the gear is driven by the hinge module to move the corresponding internal linking member away from the pivots.

Abstract: A supporting device includes a hinge module and two buffering modules respectively installed on two opposite sides of the hinge module. Each buffering module includes an internal linking member fixed on the hinge module, an external linking member slidably disposed on the internal linking member, and an elastic member connected to the internal linking member and the external linking member. The hinge module is bendable between an unfolded position and an outwardly folded position. When the hinge module is at the unfolded position, the supporting device is a flat construction, and the elastic members are configured to block the external linking members to move away from the pivots. When the hinge module is at the outwardly folded position, the supporting device is a curved construction and the internal linking members are arranged at the inner side of the curved construction.

Abstract: A hinge device applicable to soft display screen ensures that the total amount of motion is uniformly distributed to every motional shaft. The hinge device includes multiple joint units and motional shafts. Each joint unit has a shaft fixing section and a shaft guide section assembled with the motional shafts. Each joint unit has a top portion, a first side and a second side. A rotary shaft is formed on the first side along the top portion. A socket is formed on the second side along the top portion. A (soft) display screen is disposed on the top portions of the joint units. The shaft guide section is defined with a first position and a second position. When a user opens/closes the display screen, the rotary shafts serve as rotational fulcrums and the motional shafts are rotatably movable between the first and second positions of the shaft guide section.

Abstract: A hinge for recessed installation between a door frame and a door panel that has first and second housings adapted for recessing in the door frame and an edge of the door panel, a pair of links having ends pivoted in the housings and pivoted together about a vertical axis extending in a vertical direction perpendicular to mutually perpendicular first and second horizontal directions, and two supports in the second housing in which the respective ends of the links are pivoted. A vertical connector body to which the supports are fixed is limitedly vertically movable in the first housing along with the supports and links. Respective pairs of guide faces on the connector body spaced apart in the vertical direction flank each of the supports.

Abstract: A biaxial hinge is provided which includes a rotation cam part including a first rotation cam part and a second rotation cam part configured to rotate with hinge shafts as the center, wherein each of the first and second rotation cam parts include a plurality of pockets each of which comprises one side opened and is inwardly recessed, a sliding cam part comprising one side protruding in a direction of the rotation cam part and an incline so as to move upward and downward in cooperation with rotation of the rotation cam part and insert in the pocket, a guide part including a through-hole formed at a center portion and which one side of the projected sliding cam part perforates to guide movement of the sliding cam part, and a support part configured to support the sliding cam part at a lower portion of the sliding cam part.

Abstract: A layout system for a cargo area of a vehicle includes a divider and cargo side-trims. The divider includes a first rod, a second rod, and a screen. The cargo side-trims are installed in the vehicle to form sidewalls of the cargo area. The cargo side-trims include rails that include guide rail portions and rail-side securing portions. The guide rail portions are for guiding end portions of the first and the second rods along a front-rear direction of the vehicle. The guide rail portions include horizontal portion and extending portions that extend from the respective horizontal portions toward a lower rear of the vehicle. The rail-side securing portions are connected to the guide rail portions, respectively. The rail-side securing portions are for holding the end portions of the first and the second rods to secure the first and the second rods to the cargo side-trims.

Abstract: It is provided according to embodiments of the application a connecting device and an electronic device including the connecting device. The connecting device includes a first mounting plate, a second mounting plate, a hinge assembly and a filler. The hinge assembly rotatably connects the first mounting plate and the second mounting plate, and the filler fills a gap inside the hinge assembly.

Abstract: A protective case for a mobile device is disclosed. The protective case includes a front cover, a back cover, and a relatively rigid shell. The front cover includes multiple fold lines that extend across the cover and allow adjacent regions of the cover to rotate or move relative to each other. The shell is configured to receive and retain the mobile device while providing user access to the mobile device. The shell has an outer surface configured to include a latch with an integrated hook. In operation, the latch hooks and retains one end section of the front cover to maintain the device in an angled use position when open. When in the fully closed position the latch fits within an aperture defined within a back end region of the front cover. Magnets incorporated into the front cover assist in maintaining the case in the fully closed position.

Abstract: A vehicle lamp includes an optical unit and a light source control circuit part. The optical unit is unitized by attaching a light source and an optical member to an attachment part. In a state where the optical unit is unitized, the light source control circuit part is attachable to the attachment part in a direction in which the light source and the optical member are not disposed.

Abstract: The description relates to devices, such as computing devices that have hinged portions. One example can include a first portion and a second portion. This example can also include a sequential multi-pivot hinge assembly rotatably securing the first portion and the second portion. The sequential multi-pivot hinge assembly can include rotation control elements configured to control a relative order of rotation around axes of rotation of the sequential multi-pivot hinge assembly.

Abstract: The invention relates to a three-dimensional adjustable hardware system. According to the invention, at least one of the hardware bodies (18) comprises at least one guide pin (28) for the purpose of adjusting the hardware system (10) in the z-direction and the housing, in which the at least hardware body is arranged, comprises at least one threaded pin (30, 32), wherein the guide pin (28) and thereby the hardware body (18) are moved relative to the housing in the z-direction when the threaded pin (30) is rotated.

Abstract: An electronic device includes a first casing rotatably supported by a first rotation axis, a second casing rotatably supported by a second rotation axis that is parallel to the first rotation axis, a first cam that is provided on the first rotation axis, rotates about the first rotation axis in accordance with rotation of the first casing, and causes the first casing to move together with the first rotation axis in a direction away from the second rotation axis, a second cam that is provided on the second rotation axis, rotates about the second rotation axis in accordance with rotation of the second casing, and causes the second casing to move together with the second rotation axis in a direction away from the first rotation axis, and an elastic member that applies a force in a direction in which the first rotation axis and the second rotation axis become closer.

Abstract: An apparatus for supporting a display panel is disclosed. In one aspect, the apparatus includes first and second support portions configured to support a display panel and respectively rotatable based on first and second rotation axes substantially parallel to each other. The apparatus also includes a first connecting portion positioned on the first rotation shaft and fixedly combined to one side of the first support portion and a second connecting portion positioned on the second rotation shaft and fixedly combined to one side of the second support portion. The apparatus further includes a spacer maintaining a constant distance between the first and second rotation axes, wherein the spacer is penetrated by the first and second connecting portions such that the first and second connecting portions are rotatable and a link member rotatably combined to one side of the first connecting portion and one side of the second connecting portion.

Abstract: A pivot mechanism rotatably coupes a cover to a base of a foldable electronic device. The pivot mechanism includes a connector, a first rotation assembly, and a second rotation assembly. The first rotation assembly is rotatably coupled to the base and fixedly attached to the connector. The second rotation assembly is fixedly coupled to the cover and rotatably coupled to the connector. The first rotation assembly rotates relative to the base and the second rotation assembly remains fixed relative to the connector as the cover is rotated open to a first angle. The second rotation assembly rotates relative to the connector as the cover is rotated further to a second angle.

Abstract: Hinge for furniture, comprising at least one pair of leaves (6-7) mounted in a transverse housing in a supporting profile (1) by means of parallel independent rotation pins (14), which extend through the knuckles (9) of the leaves, said knuckles being equipped with teeth (18), parallel to the rotation pins (14), which mesh with one another.

Abstract: A lighting fixture includes a first housing portion and a second housing portion. The first housing portion includes a base and a wall extending outwardly from substantially the perimeter of the base. A top portion of the wall includes one or more hinges extending outwardly therefrom. The second housing portion includes a front panel and a side panel extending outwardly from substantially the perimeter of the front panel. A top portion of the front panel includes at least one slot. The second housing is coupled to the first housing in an open position when the hinge is inserted into the slot and the front panel is disposed elevationally above the base. The second housing is coupled to the first housing in an operational position when the hinge is inserted into the slot and the front panel covers the base.

Abstract: An information processing device includes a first case, a second case over which the first case is placeable, and a connector including a first rotation part and a second rotation part and configured to couple the first case on the second case, the first rotation part allowing the first case to be rotated about a first axis, the second rotation part allowing the first case to be rotated about a second axis, the second axis being displaced from a central position of the first case in an axial direction of the first axis, wherein when front and back surfaces of the first case are reversed and the first case is placed over the second case, at least part of the first case projects from the second case toward an outer side.

Abstract: A rotary shaft transmission structure, which is designed with a simplified structure to provide a smooth and stable transmission of a rotary shaft and to reduce the occurrence of rotational torsion variation of the rotary shaft, includes a combination of at least one rotor and a traction portion. The rotor includes a shaft hole and a bolt bore, in which the shaft hole is utilized to pivot the rotary shaft so that the rotor can be rotated by the rotary shaft, the shaft hole transversely passed through by at least a plan area is utilized to retain the traction portion, and the rotary shaft is utilized to press the traction portion via the plan area, thereby forming a fixation function.

Abstract: An overhead coiling door which includes a lintel seal interface assembly comprising a mounting bracket and a seal material sandwiched between a top and bottom row of brush bristles. The top row of bristles is shorter than the bottom row which provides relative rigidity to the flexible seal material and maintains greater cycle life. Further described are novel insulating material placement used to seal the building structure—door gaps. In one preferred design, a hinged guide cover has a first leg geometry to engage the structure and a second leg geometry to engage the curtain guide assembly to effectively seal gaps created by various amounts of curtain guide assembly setback.

Abstract: A multi-joint synchronous rotary axle structure includes a middle shaft and two parallel side shafts at two sides of the middle shaft. A first synchronous actuating assembly and a second synchronous actuating assembly are provided at two opposite positions of the middle shaft and the side shafts, which are connected in a reverse link relationship. The two side shafts can be rotated about the middle shaft to generate a synchronous reverse turning. A two-way shaft plate is provided between the middle shaft and each of the side shafts to provide the torsion of tuning so as to form a compact multi-joint synchronous rotary axle structure.

Abstract: An information handling system converts from a closed position to a tablet position by rotating a lid with a display 360 degrees about a hinge having synchronized and continuous motion. The hinge has first and second axles held distal by a spacer. A synchronizer translates motion of each axle to the other to provide fluid movement of the lid relative to the housing. For instance, first and second cables translate rotational motion with the disposition of a discontinuous figure eight between the first and second axles.

Abstract: A flip-up electronic product mounting structure includes a base frame shell having a pivot connection portion, a cover frame shell having a mating connection portion and a plug hole located in the mating connection portion, and a hinge including female hinge members fixedly mounted in the pivot connection portion, a male hinge member rotatably and axially movably mounted in the female hinge member with a plug portion located at one end thereof, and a displacement control device operable to move the male hinge member relative to the female hinge member to further engage the plug portion into the plug hole or disengage the plug portion from the plug hole. Thus, the invention facilitates the assembly of the flip-flop electronic product, enabling the flip-flop electronic product to have light, thin, short and small design characteristics.

Abstract: A 180 degree opening door hinge including an elongate spine having first and second edges extending along a length thereof, a primary hinge pivotally-mounted adjacent the first edge having a bracket for attaching the spine to a door jamb, and a secondary hinge pivotally-mounted adjacent the second edge having a bracket for attaching the spine to a door, wherein each of the primary and secondary door hinges have a range of pivoting motion of about 90 degrees relative to the spine, and a combined range of pivoting motion of about 180 degrees of the door relative to the door jamb.

Abstract: A phase-locked pivot assembly includes a support component. A first shaft and a second shaft pivot relative to the support component. A first annular body is configured to rotate with the first shaft. The first annular body includes a first outer annular surface and a first sunken arc portion. A second annular body is configured to rotate with the second shaft and corresponds to the first annular body. The second annular body includes a second outer annular surface and a second sunken arc portion. The first sunken arc portion and the second outer annular surface are matched and selectively contact each other to lock the first shaft. The second sunken arc portion and the first outer annular surface are matched and selectively contact each other to lock the second shaft.

Abstract: A planetary type dual-shaft hinge includes a female shaft, a male shaft set including first and second male shafts respectively inserted through the female shaft, and a transmission mechanism including first and second transmission members respectively connected to the first and second male shafts and a link pivotally coupled between the first and second transmission members in such a manner that the pivoting points between the link and the first and second transmission members are disposed at two opposite sides relative to the central axes of the first and second transmission members so that when the user opens the cover member of the flip-up electronic device in which the hinge is used, the first male shaft is turned around the second male shaft to smoothen the movement of the cover member.

Abstract: A synchronized multiple-angle rotatable dual-pivot structure includes a first pivot, a second pivot, a plurality of connection members, and a support frame. The first pivot and the second pivot are each provided with an installation slot. The connection members are of the same length and each has two ends respectively and movably mounted in the installation slots of the first pivot and the second pivot. The support frame has two ends respectively coupled to the first pivot and the second pivot. The connection members are connected between the first pivot and the second pivot so that when one of the first pivot and the second pivot is rotated, forces are induced between the first pivot and the second pivot to mutually pull and push each other so that synchronized rotation can be achieved in an easy and effortless manner and the rotation angle can reach at least 180 degrees.

Abstract: A trigger hinge used in a mobile flip-up electronic device is disclosed to include a female shaft, a male shaft set mounted in the female shaft, and a trigger device mounted at the male shaft set. When the user opens or closes the mobile flip-up electronic device to rotate the male shaft set relative to the female shaft, a pushing and moving piece of the trigger device is moved forward or backward to switching on/off switch, and thereby booting up or shutting down the mobile flip-up electronic device. Thus, the invention enhances the application and convenience of use of mobile flip-up electronic devices.

Abstract: A portable electronic device includes first and second device units and at least one hinge assembly configured to pivotably connect the second device unit to the first device unit. The hinge assembly includes a first fixing unit configured to be fixed to the first device unit, a second fixing unit configured to be fixed to the second device unit, a plurality of shaft members configured to be arranged in parallel with one another and to include first and second outer shaft members respectively mounted on the first and second fixing units and a plurality of inner shaft members arranged between the first and second outer shaft members, and a gear unit mounted on the shaft members to connect the plurality of shaft members with one another through a gear mesh.

Abstract: An electronic device includes a first body, a supporting arm, at least one first hinge, a first coupling member and at least one second coupling member. The first hinge is connected between the first body and the supporting arm. The supporting arm can rotate relatively to the first body through the first hinge. The first coupling member is disposed in the first body. The second coupling member is disposed in the supporting arm. When the second coupling member moves to at least one predetermined position, the first coupling member and the second coupling member are attracted by each other.

Abstract: A hinge structure includes a first shaft, a second shaft, a pivot base and a position-limiting mechanism. The first and second shafts are pivoted on the pivot base. The position-limiting mechanism includes a first position-limiting portion, a second position-limiting portion and a position-limiting component. The first position-limiting portion is fixed to the first shaft. The second position-limiting portion is fixed to the second shaft. The position-limiting component is slidably disposed on the pivot base and has first and second ends opposite to each other. When the position-limiting component moves to a first position, the first end and the first position-limiting portion interfere with each other to stop the first shaft and the pivot base from rotating relatively. When the position-limiting component moves to a second position, the second end and the second position-limiting portion interfere with each other to stop the second shaft and the pivot base from rotating relatively.

Abstract: A steady opening and closing double-axis hinge comprises a first rotation member, a second rotation member and a connection member run through by the first rotation member and the second rotation member in a parallel manner. The first rotation member includes a first shaft and a first sector portion formed on the first shaft. The second rotation member includes a second shaft and a second sector portion formed on the second shaft. The connection member includes a movable detent plate which is located between the first and second shafts and movable between a first operation position and a second operation position. Through the movement of the movable detent plate, the first sector portion and second sector portion can be blocked alternately to control the first and second shafts to rotate in sequence, so as to simplify the shaft rotation switch mechanism and improve the durability.

Abstract: A transmission device applied to rotary shafts for facilitating the assembling process. The transmission device includes at least one rotary shaft, a drive member movable along with the rotation of the rotary shaft, a transversely movable driver, a turning unit and a transmission unit. The turning unit has a first end connected with the driver and a second end assembled with the transmission unit. When the transmission unit is longitudinally moved, a connection section and a carrier body are driven by the transmission unit to lift or lower a base body or a frame in accordance with the operation mode of an electronic apparatus.

Abstract: A synchronous movement device applied to dual-shaft system includes a first shaft and a second shaft, which are assembled with each other and synchronously rotatable. The synchronous movement device further includes a driver and a driving rail disposed on the first shaft, a reactor and a reacting rail disposed on the second shaft and a link unit connected between the driver and the reactor. When the first shaft drives the driver to rotate, the driver pushes the link unit to move along the first and second shafts to forcedly push the reactor to rotate in a direction reverse to the moving direction of the driver. Accordingly, the first and second shafts are synchronously rotated.

Abstract: A hinge structure includes a first shaft, a second shaft, a sliding component, a first pillar, and a second pillar. The second shaft is parallel to the first shaft. The sliding component includes a first sliding portion and a second sliding portion, wherein the first shaft and the second shaft are disposed through the first sliding portion and the second sliding portion respectively, and the first sliding portion has a first guiding slot and the second sliding portion has a second guiding slot. When the first shaft rotates with respect to the sliding component and moves the first pillar along the first guiding slot, the first pillar drives the sliding component to slide along the first and second shafts and move the second pillar along the second guiding slot, so as to drive the second shaft to rotate with respect to the sliding component.

Abstract: A dual-shaft synchronous motion device includes a first shaft and a second shaft; a first rotor disposed on the first shaft and turned synchronously; a second rotor disposed on the second shaft and turned synchronously; and a tractive member disposed between the first rotor and the second rotor. When the first shaft drives the first rotor to turn, the tractive member brings the second rotor to turn reversely relative to the first rotor so that the first and second shafts are turned synchronously.

Abstract: The present invention relates to a support structure. A main hinge of the structure is installed with a stop mechanism, so when an object to be supported is placed at a higher location while being in an unfolding state, the object to be supported is restrained from being rotated from a vertical state to a horizontal folding state, thereby preventing falling due to the unstable gravity center; when a connection unit is folded towards a base, an upper end of a first auxiliary connection member links the stop mechanism to rotate for gradually altering the stopping location, so the object to be supported is enabled to be horizontally folded; as such, the object to be supported can be maintained in a stable state during the folding process, thereby preventing the occurrence of falling.

Abstract: A synchronous rotation mechanism for a dual-shaft hinge includes a first shaft, a second shaft, a first positioning plate, a second positioning plate, a first lead screw, a second lead screw and a guiding member. The first shaft and the second shaft extend through the first positioning plate and the second positioning plate. The first lead screw and the second lead screw are disposed on the first shaft and the second shaft respectively. A supporting shaft is disposed between the first lead screw and the second lead screw. The guiding member is supported by the supporting shaft and engages screw grooves formed on the first and second lead screws, whereby the first and the second shafts rotate synchronously.

Abstract: A hinge structure includes a first shaft, a second shaft, a sliding component, a first pillar, and a second pillar. The second shaft is parallel to the first shaft. The sliding component includes a first sliding portion and a second sliding portion, wherein the first shaft and the second shaft are disposed through the first sliding portion and the second sliding portion respectively, and the first sliding portion has a first guiding slot and the second sliding portion has a second guiding slot. When the first shaft rotates with respect to the sliding component and moves the first pillar along the first guiding slot, the first pillar drives the sliding component to slide along the first and second shafts and move the second pillar along the second guiding slot, so as to drive the second shaft to rotate with respect to the sliding component.

Abstract: A parallel opening hinge includes a pair of parallel hinges, each parallel hinge having a moveable pivot within a track of the parallel opening hinge, wherein a connector joins the two movable pivots in the track such that the movable pivots move together.

Abstract: A dual-shaft synchronous movement device and an assembling method thereof. The dual-shaft synchronous movement device includes a first shaft and a second shaft, which are assembled with each other and synchronously rotatable. The invention includes providing an assembling device and arranging on the assembling device a first rotor and a second rotor (or a third rotor and a fourth rotor) between which a drive section is wound; winding the drive section onto the first and second rotors (or the third and fourth rotors) in a tensioned state; and pushing the first and second rotors (or the third and fourth rotors) onto the first and second shafts. Through the first and second rotors (or the third and fourth rotors) and the drive section, when the first shaft is rotated, the second shaft is synchronously rotated.