Abstract: A hinge assembly includes a shaft, a cam, a follower, and an resilient member. The follower is mounted on the shaft. One end of the follower has a first cam surface. The first cam surface defines a groove. The cam is mounted on the shaft and adjacent to the follower. The cam has a second cam surface, and the second cam surface engages with the first cam surface. The second cam surface forms a protrusion, and the protrusion is received in the groove. The resilient member is placed around the shaft forcing the first cam surface to engage with the second cam surface.

Abstract: A hinge assembly includes a shaft, a main body drive member, a follower, and a resilient member. The main body drive member, the follower, and the resilient member are mounted with the shaft in turn. One end of the main body drive member has a cam. One end of the follower has a cam engaging with the cam of the main body drive member. The resilient member causes the cam of the follower to resist the cam of the main body drive member due to the decompression of the resilient member, and when the follower is manually rotated relative to the main body drive member about an angle, the follower automatically rotates relative to the main body drive member due to the decompression of the resilient member.

Abstract: A hinge assembly includes a shaft, a cam, a follower, and an resilient member. The cam, the follower, and the resilient member are mounted with the shaft in turn. One end of the cam has a first outer cam portion and a first inner cam portion. One end of the follower has a second outer cam portion and a second inner cam portion respectively engaging with the first outer and inner cam portions. The resilient member is contained in such a manner that the cam portions of the follower resist the cam portions of the cam due to the decompression of the resilient member, and when the follower is manually rotated relative to the cam about a small original angle, the follower is automatically rotated relative to the cam due to the decompression of the resilient member.

Abstract: A hinge assembly includes a first bracket, a second bracket, a damping member, and a torsion resilient member. The first bracket defines a damping protrusion. The second bracket is rotatable relative to the first bracket. The damping member defines a depression. The damping protrusion is configured to engage with the depression. The torsion resilient member urges the first bracket to rotate relative to the second bracket and the damping member. The engagement of damping protrusion and the depression prevents the first bracket from rotating when the first bracket rotates through a predetermined angle. When the first bracket rotates through the predetermined angle relative to the second bracket and the damping member, the first bracket together with the damping member are rotatable relative to the second bracket to any desired angle.

Abstract: An interfering assembly of a hinge includes a male element including a first raised portion and a second raised portion, and a female element defining a through hole. A slot apart from a center of the through hole is defined in the female element. An inner ring and an outer ring are formed beside the slot. The inner ring defines a first depressed portion engaged with the first raised portion, and the outer ring defines a second depressed portion engaged with the second raised portion. Widths of the inner ring and the ring slot are gradually varied. During rotation of the rotating member, the first and second raised portions are slid out from the first and second depressed portions, respectively, and then in frictional engagement with the inner and outer rings, together with partial portions of the first and second raised portions covering the slot, correspondingly.

Abstract: A hinge assembly includes a receiving seat, a control member, a clutch member, a follower, a main shaft and an elastic element. The receiving seat includes a first cam surface. The control member is releasably latched with the receiving seat. The cam includes a second cam surface. The follower includes a third cam surface engaging with the first cam surface or the second cam surface. The receiving seat, the control member, the cam and the follower are placed around the shaft. The elastic element provides an elastic force for the follower. After the control member is unlocked, the second cam surface engages with the first cam surface.

Abstract: A swivel hinge apparatus for an electronic device is disclose, the hinge apparatus comprising a first hinge member that is inclined ben, a second hinge member that is inclined and coupled with the first hinge member to rotate while facing the first hinge member, a guide portion provided between the first hinge member and the second hinge member to guide rotation of the second hinge member, an elastic member provided on a rear side of the first hinge member to provide an elastic force for allowing rotation and linear movement of the first hinge member and the second hinge member, and a shaft from which a cylindrical housing protrudes, the cylindrical housing being coupled with the first hinge member, the second hinge member, the elastic member, and a support cover portion by passing through them.

Abstract: A hinge mechanism pivotally connects first and second housings of an electronics device. The hinge includes a bracket, a floating shaft, a cam member, and a biasing system. The cam member is mounted on the floating shaft. The biasing system is disposed within the first housing, and includes one or more biasing members that allow the cam member and the floating shaft to move axially in a first direction. The one or more biasing members also bias the cam member and the floating shaft in a second, opposing direction. Biasing the floating shaft and the cam member in the second direction maintains the pivotable connection between the first and second housings, and generates the force necessary to yieldingly resist a user pivoting at least one of the first and second housings.

Abstract: A hinge device has first and second bodies. The second body is rotatable about the first body. The hinge device is connected to a first and second hinge arm. The hinge device includes a first hinge bracket having a first case portion inserted in the first hinge arm, and fixedly mounted to the first body; a second hinge bracket having a second case portion inserted in the second hinge arm, and fixedly mounted to the second body; a hinge shaft fitted in the first case portion, fixedly inserted in the second case portion; a bushing unit fixed to the first case portion, rotatably inserted in the second case portion, and adapted to limit a rotating range of the second body to the first body; and a hinge module disposed in the first case portion and transmitting driving torque to the second body when the second body rotates.

Abstract: The invention relates to a device (1) at a window (2) that comprises a window pane (4) received in a window casement (3) with the casement (3) and the pane (4) receivable in a window frame (5), turnable 180° or more around a pivot bearing (8) and locked to the frame (5) by means of lock plungers (6, 7), which are receivable in guiding grooves (9, 10) in the casement (5). According to the invention, in each corner (A-D) of said frame (5), a control mechanism (11) is arranged for the regulation of the motion of said lock plungers (6, 7). A control (27) for the actuation of said lock plungers (6, 7) is arranged on the window (5) and the control mechanism (11) comprises a cam surface (14) that is co-operatable with a motion transfer part (19) for the lock plungers (6, 7). The window casement (3) is optionally openable at the top or bottom, turnable, angleable into the desired position as well as lockable by the actuation of controls (12 and 13, respectively; 27) therefor.

Abstract: A hinge mechanism for a mobile electronic device includes a first leaf comprising first and second fixed pivot axes and a second leaf comprising third and fourth fixed pivot axes, the four pivot axes being substantially parallel to one another. A first linkage is pivotally coupled to the first leaf at the first pivot axis and pivotally coupled to the second leaf at the fourth pivot axis. A second linkage is pivotally coupled to the first leaf such at the second pivot axis and pivotally coupled to the second leaf at the third pivot axis. The first and second leaves are pivotable at least about 180° relative to one another. A cam mechanism can be included to bias the pivotal motion of the leaves. An FPC or other electrical connector linking the leaves can pass through a passage in at least one of the linkages.

Abstract: A hinge assembly includes a first member, a second member, two rotary members, a resilient member, and a main shaft. The first member includes a cam surface. The two rotary members engage with the second member to constitute a latching cam surface engaging with the cam surface. The resilient member provides an elastic force for the first member to abut against the second member. The first member, the second member, the resilient member are placed around the main shaft. After the rotary members are rotated, the first member automatically rotates relative to the second member.

Abstract: A limiting hinge has a stationary limiting washer, a rotating limiting washer, a rotating bracket and a positioning washer mounted around a pintle in sequence. A first resistance is formed between the stationary limiting washer and the rotating limiting washer. A second resistance is formed between the rotating limiting washer and the rotating bracket. A third resistance is formed between the rotating bracket and the positioning washer. Because the first resistance is larger than the second resistance while the second resistance is larger than the third resistance, the rotating limiting washer disengages from the rotating bracket when a huge force is accidentally applied. Therefore, the rotating limiting washer stays still with the stationary limiting washer to prevent breakage.

Abstract: A hinge assembly includes a first cam, a second cam, a third cam, at least one resilient member and a shaft. The first cam includes an outer cam surface and an inner cam surface. The third cam is slidably received in the second cam, and the second cam and the third cam respectively engage with the outer cam surface and the inner cam surface. The resilient member provides an elastic force making the third cam and the second cam abut against the first cam. The shaft extends through the first cam, the second cam, the third cam and the at least one resilient member.

Abstract: A hinge according to the present invention includes: a housing; a shaft received in the inside of the housing; a guide member linearly moving along the shaft; and a first elastic member compressed and expanded along the movement of the guide member, wherein any one of the guide member and the housing is formed with a track groove and the other is formed with a guide projection moving the track groove and, the track groove is formed to move the guide projection to different paths according to a forward rotation and a reverse rotation of the shaft.

Abstract: A hinge mechanism comprises a follower, a cam and a first spring. The first spring is spiral, one end of the first spring is mounted to the follower, another end of the first spring is mounted to the cam. The cam rotates relative to the follower about a rotating axis, the first spring is compressed to accumulate elastic force, until the line connecting two ends of the first spring is parallel to the rotating axis where the first spring is mostly compressed to accumulate maximum of the elastic force and the hinge mechanism is in an intermediate state. Once the cam is rotated over the intermediate state, the first spring is expanded under previously accumulated elastic force, which drive the cam continuously rotated relative to the follower.

Abstract: A hinge includes a fixing frame, a rotating frame, a support, and a connecting member. The rotating frame is pivotally joined to the fixing frame. The support includes a first connecting portion for joining to the base and a second connecting portion. The connecting member is mounted between the rotating frame and the support. Furthermore, the connecting member is operably moved between an extended position and a retracted position in response to two opposite pivoting directions of the rotating frame with respect to the fixing frame, and in addition, the support moves away from the rotating frame in response to the connection member moving from the retracted position to the extended position thereof.

Abstract: A pivoting mechanism with gross and fine adjustment with a housing, an elongate shaft pivotally retained by the housing, resiliently deformable members retained by the housing, cam members coupled to the shaft wherein the cam members are disposed to deform the resiliently deformable members when the cam members are pivoted, and a locking slide bar for selectively causing the cam members to pivot with the shaft to produce gross adjustments in pivoting resistance. First and second ends of the shaft can act as an output interface for outputting the pivoting resistance exhibited by the shaft to a seat back structure, a seat bottom structure, or some other structure. A threaded rod rotated by a handle can adjust an initial deformation of the first resiliently deformable member for fine pivoting resistance adjustment.

Abstract: A hinge structure for a mobile communication terminal includes a drive cam arranged to be linearly displaced along a hinge axis, a drive shaft arranged to face the drive cam to be rotated about the hinge axis according to linear displacement of the drive cam, a follower shaft arranged to surround the drive shaft to be rotated along with the drive shaft, a follower cam arranged to face the follower shaft to be linearly displaced along the hinge axis according to rotation of the follower shaft, and an opening/closing resilient member for pushing the follower cam against the follower shaft.

Abstract: A hinge assembly includes a base and a lever pivotally connected to the base. The lever includes an outer end adapted for being connected to an associated appliance door and an inner end. A cam is pivotally connected to the inner end of the lever and includes a contoured lobe edge. A cam control member is connected to the base. A spring includes a first end connected to the cam. The spring exerts a biasing force on the cam in a first direction such that said lever is urged toward a first position and said contoured lobe edge of said cam is urged into abutment with the cam control member. The lever is selectively movable from its first position against the biasing force of the spring to a second position. The cam control member contacts a first portion of the contoured lobe edge when the lever is located in its first position, and the cam control member contacts a second portion of the contoured lobe edge when the lever is located in its second position.

Abstract: A hinge provides swiveling of a display relative to one side of a host body including a first fastening seat, a pintle, a second fastening seat, a main torsion anchor member, a torsion rotary member, an ancillary torsion anchor member, a compressed elastic reed assembly and a nut. The main torsion anchor member and the torsion rotary member are compressed by a returning force of the compressed elastic reed assembly. When the pintle pivots to a selected angle, the protrusion rapidly slides in a retaining latch trough of the main torsion anchor member through a steep sloped surface so that the display automatically and fully folds over the host body. The torsion rotary member pivots concurrently so that the bulged edge slides on a gradual sloped surface of different gradients so that adequate friction resistance is generated due to compression of the returning force of the compressed elastic reed assembly.

Abstract: The present invention relates to a hinge device for doors which are used in products, such as refrigerators, etc., to open and close them. In the hinge device, an upper operation unit is connected to a lower operation unit in such a way that a lower cam provided in the lower operation unit is interlocked with an upper cam provided in the upper operation unit by a single shaft, and that the lower cam and the upper cam are moved upwards and downwards in opposite directions.

Abstract: A portable electronic device has a cover, a base and a heat-dissipating hinge. The heat-dissipating hinge has a cam and a foot. The cam is attached to the cover. The foot abuts the cam and protrudes out of the base. When the cover is opened, the cam is rotated to push the foot protruding out of the base and standing on the table. Therefore the base is elevated to easily dissipate heat so heat dissipation efficiency of the portable electronic device is increased.

Abstract: A hinge assembly includes a receiving seat, a control member, a clutch member, a follower, a main shaft and an elastic element. The receiving seat includes a first cam surface. The control member is releasably latched with the receiving seat. The clutch member includes at least one projection. The follower includes a second cam surface engaging with the at least one projection. The receiving seat, the control member, the clutch member and the follower are placed around the shaft. The elastic element provides an elastic force for the follower. After the control member is unlocked, the second cam surface engages with the first cam surface.

Abstract: An exemplary hinge assembly includes a shaft, a cam, a cam follower, a first elastic member, a second elastic member, a first sleeve, a second sleeve. The cam and the cam follower are sleeved on the shaft. The first elastic member is sleeved on the shaft, and configured for producing an elastic force along the shaft. The first sleeve is sleeved on the shaft, and non-rotatably connected to the cam follower. The second sleeve is sleeved on the shaft, and non-rotatably connected to the cam. The second elastic member is sleeved on the shaft, and configured for producing an elastic force for driving the first sleeve to rotate relative to the second sleeve. The controlling member resists one of the cam and cam follower, and capable of driving the cam away from the cam follower.

Abstract: A hinge assembly (100) includes a cam (13), a follower (14), a first spring (12), a control member (18) and a second spring (16). The cam has a cam surface. The follower has a latching cam surface engaging with the cam surface. The first spring provides an elastic force causing the cam surface of the cam and the latching cam surface of the follower to resist each other. The control member slidably resists the follower. The second spring provides an elastic force to return the control member. The control member is movable to push the follower to rotate to realize the cam surface of the cam to rotate relative to the latching cam surface of the follower.

Abstract: A hinge assembly includes a pivot shaft, a rotary member and a steady member sleeved on the pivot shaft. The rotary member and the steady member faces each other and are rotatable relative to each other. The rotary member forms a first peak, and the steady member forms a second peak. A friction portion is formed between the rotary member and the steady member. A thickness of the friction portion exceeds or equals to a thickness of either of the first peak or the second peak, and is less than the combined thickness of the first peak and the second peak. A support mechanism using the hinge assembly is also provided.

Abstract: A hinge assembly includes a shaft, a cam, a follower, and a resilient member. The follower is disposed on the shaft, one end of the follower having a first cam surface, the first cam surface forming a first sub-cam portion. The cam is positioned on the shaft and adjacent to the follower, the cam having a second cam surface, the second cam surface engaging with the first cam surface. The second cam surface forms a second sub-cam portion, and the first sub-cam portion engages with the second sub-cam portion. The resilient member is placed around the shaft forcing the first cam surface against the second cam surface. After the first sub-cam portion slides and rotates relative to the second sub-cam portion, the first cam surface slides and rotates relative to the second cam surface.

Abstract: A hinge mechanism includes a pivot shaft, a resilient member coiling around the pivot shaft, a first cam, a second cam, and a rolling assembly. The pivot shaft defines a through hole in a radial direction thereof. The first cam and the second cam are sleeved on the pivot shaft, the first cam defines two pairs of recesses at one end surface thereof, and the second cam defines a groove at one end surface thereof facing the first cam. The rolling assembly positioned between the first cam and the second cam includes a pin and two rolling bearings sleeved on opposite ends of the pin.

Abstract: The present invention relates to a swing hinge module. The swing hinge module is configured by comprising: a first member in which through-holes are respectively formed at a space unit and a place distanced from the space unit; a fixing ring which is coupled to the space unit; a second member that is placed at the space unit of the first member and is coupled to the first member in order to rotate with respect to the first member; an elastic member of which one end and the other end are respectively connected to the first and second members and elastically supported by each other; and a cam which is prepared between the first and second members to support one end of the elastic member and forces the elastic member to have an eccentric motion.

Abstract: Door construction includes a door panel and at the top and at the bottom each time a self-closing pivot hinge. Each of the pivot hinges includes a spring which extends along the rotation axle and which provides a self-closing function to the pivot hinge. Each of the pivot hinges includes a first cam element and a second cam element which are pushed onto each other by the spring and push the door panel towards the closed position under the influence of the spring pressure. The first cam element includes at least one protrusion which upon rotation runs along a running surface with inclined parts of the second cam element. The second cam element is movably mounted in longitudinal direction of the pivot axle by means of a pen which is accommodated in a slotted hole of the second cam element. The slotted hole extends at least partly between the inclined parts of the running surface.

Abstract: The embodiment includes a hinge, a pivot shaft, a cam, and a cam follower. The pivot shaft includes an engaging portion bound by two curved surfaces and two non-rotatable surfaces. The cam is non-rotatably sleeved on the engaging portion of the pivot shaft and defines a noncircular hole and two cutouts. The noncircular hole is bound by two first contact surfaces and two second contact surfaces. The second contact surfaces are tangent to the curved surfaces of the engaging portion of the pivot shaft. The cam follower is rotatably sleeved on the engaging portion of the pivot shaft and resists the cam. The cam follower forms two peaks engaging with the cutouts in the cam.

Abstract: A biaxial hinge device includes an approximately rod-shaped first shaft member; an approximately rod-shaped second shaft member; a shaft connecting member for connecting the first shaft member and the second shaft member such that the direction in which the first shaft member extends and the direction in which the second shaft member extends are approximately orthogonal; an arm portion provided to the first shaft member so as to be turnable along the outer circumference of the first shaft member, a hinge fixing portion provided to the second shaft member so as to be turnable along the outer circumference of the second shaft member, and a thrust cam member provided to the first shaft member such that movement in the direction in which the first shaft member extends is enabled.

Abstract: A hinge includes a bracket, a shaft, and a first interfering member. The shaft includes a post, and a stopper protruded thereon. The post is secured to the first interfering member. The bracket defines a pivoting hole. The bracket includes a restricting block, and a second interfering member located in the pivoting hole of the bracket opposite to the restricting block. The first interfering member together with the post rotates in the pivoting hole until the restricting block resists against the stopper of the shaft to limit a rotational range of the post. The second interfering member engages with the first interfering member to improve the rotation of the post in the pivoting hole of the bracket.

Abstract: A hinge assembly includes a pivotal shaft, a connecting member, a supporting member, a stationary member having an engaging surface, a rotating member having a receiving surface, and a locking member. A first end of the pivotal shaft is fixed to the connecting member. A second of the pivotal shaft is passed through the supporting member, the stationary member, the rotating member, and the locking member. The stationary member is fixed on the supporting member and is rotatable relative to the pivotal shaft. The rotating member is non-rotatable relative to the pivotal shaft. The engaging surface forms two first positioning protrusions and two second positioning protrusions. The receiving surface defines two first positioning grooves to receive the first positioning protrusions and two second positioning grooves to receive the second positioning protrusions. A height of each second positioning protrusion is larger than a height of each first positioning protrusion.

Abstract: A hinge assembly includes a cam (13), a follower (14), a first spring (12), a control member (17) and a second spring (16). The cam has a first cam surface (135) and a second cam surface (136). The follower has a third cam surface (141) engaging with the first cam surface. The first spring provides an elastic force causing the cam surface of the cam and the third cam surface of the follower to resist each other. The control member has a fourth cam surface engaging with the second cam surface of the cam. The second spring is positioned between the control member and the follower. The control member is movable to push the cam to rotate to realize the first cam surface of the cam to rotate relative to the third cam surface of the follower.

Abstract: A cover assembly for a trash bin includes a cover, a support ring, a pivoting device coupling to the cover and the support ring and a buffer device connecting to the pivoting device. The pivoting device provides an upward force to the cover, and the buffer device cushions the upward force from the pivoting device. The buffer device and the pivoting device allow the cover assembly to be lifted slowly and prevent a loud noise while lifting the cover quickly and while the cover bumps the trash bin.

Abstract: The object of the present invention is to reduce the angle of automatic opening of a liquid crystal portion to a value less than a central angle of 70° to 90° of conventional portable phones, etc.

Abstract: A hinge assembly and a mobile terminal are disclosed. The hinge assembly can include: a torsion spring; a shaft, which penetrates through the torsion spring; a bushing, coupled to one end of the torsion spring and to one side of the shaft; a holder, which is coupled to the other end of the torsion spring, and which the shaft penetrates through; a sliding cam, which is coupled to the other side of the shaft, and which may move in linkage with the shaft; a fixed cam, which engages the sliding cam; a compression spring, which is positioned between the holder and the sliding cam, and which may place the sliding cam in close contact with the fixed cam; and a housing coupled to the holder and the fixed cam. Thus, the mobile terminal can be unfolded automatically using just a few number of parts without requiring energy consumption.

Abstract: A hinge assembly includes a shaft, a seat made of plastic, a follower, a cam, a latching member and a resilient member. The follower includes a cam surface. The seat is fixed to the follower, and the seat and the follower are placed around the shaft. The cam has a latching cam surface, the cam surface being engaged with the cam latching surface. The latching member is fixed to the cam, and the cam and the latching member are placed around the shaft. The resilient member is placed around the shaft and provides an elastic force to make the cam surface abut against the latching cam surface.

Abstract: A compact and aesthetically-pleasing self-closing door hinge comprises a gravity-assist feature and preferably a spring-assist feature, wherein the spring may be easily adjustable, replaceable, and even left out of the hinge. The preferred embodiment is reversible for easily changing from a right-opening to a left-opening door, and includes hinge lift-off capability, wherein the door and the blade connecting the door to the hinge body may be lifted up off the body of the hinge without any significant disassembly of the hinge. The spring is preferably placed around the gravity-assist cams of the hinge, rather than above or below the cams, which arrangement significantly reduces the overall height of the hinge with only slightly increased diameter of the hinge main body. The preferred hinge has no bolts or other fasteners visible or protruding out from the main housing of the hinge, and the preferred hinge has no exposed spring sleeve.

Abstract: A wide-angle double-hinge structure to allow an electronic device to flip at different angles includes a coupling plate, a resistant hinge and a cam hinge. The double-hinge structure couples a first chassis and a second chassis of the electronic device to enable users to selectively flip in an ordinary notebook computer operating condition or a back-to-back operating condition according to their preference. Thus the users can selectively perform input operation in a handheld or desktop fashion.

Abstract: A hinge assembly (100) includes a sleeve (20), a main shaft (10), a follower (30) and an elastic member (40). The sleeve integrally forms an engaging portion (26). The main shaft passes through the sleeve. The follower has a cam surface (322), and is slidably placed around the main shaft and is received in the sleeve. The cam surface engages with the engaging portion. The elastic member provides an elastic force to bias the cam surface against the engaging portion.

Abstract: A hinge for mounting a rotating member to a main body, includes a shaft, a first interfering member fitting about the shaft and fixed to the rotating member, a container fitting about the shaft and fixed to the main body, and a second interfering member retained around the shaft and non-rotatably received in the container.

Abstract: An electronic device includes a display, a main body, a rotating member, and a hinge. The display is slidably mounted to the rotating member. The hinge is mounted between the rotating member and the main body to pivotably mount the rotating member to the main body. The hinge includes a shaft, a first interfering member and a second interfering member retained around the shaft. The first interfering member is fixed on the rotating member, and the second interfering member is fixed on the main body. The first interfering member includes a first side facing the second interfering member. The first side forms a positioning tab. The second interfering member includes a second side facing the first interfering member. The second side defines a recess, configured to allow the positioning tab to be positioned therein.

Abstract: A hinge device includes first and second leaves provided respectively with first and second knuckles coupled pivotally to each other, a torsion spring having an end connected to the second knuckle, cam co-rotatable with the first knuckle, and a cam follower disposed in the first knuckle and coupled to an opposite end of the torsion spring. The first knuckle and the cam are rotatable in a first rotational direction for driving the cam to engage the cam follower and for rotating the cam follower so as to twist the torsion spring. The cam follower can be driven by a restoring force of the torsion spring to rotate in a second rotational direction opposite to the first rotational direction to drive the cam and the first knuckle to rotate in the second rotational direction, and is operable to rotate in the first rotational direction for twisting the torsion spring.

Abstract: A hinge assembly (100) for a foldable electronic device (200) includes a shaft (40), a first follower (33) attached on one end of the shaft, a first cam (34) rotatably attached on the shaft, a resilient member (50) having one end abutting the first cam, a second cam (63) rotatably attached on the shaft and abutting the other end of the resilient member, a second follower (62) attached on the shaft, and a button (70) attached on the other end of the shaft and abutting the second follower. The first follower is rotating with the shaft and has a first follower surface (332). The first cam has a first cam surface (342) engaging with the first follower surface. The second cam has a second cam surface (632). The second follower has a second follower surface (624) engaging with the second cam surface.

Abstract: A hinge assembly (10) includes a shaft (12) and a follower (16), wherein one of the shaft and the follower defines a thread (122), the other of the shaft and the follower includes at least one resisting portion (166). The thread is separately formed from one of the shaft and the follower with the thread and the shaft and the follower slide and rotate relative to each other. Since the thread is separately formed therewith, the thread may be formed by injection mold. This manufacture method is easy. In addition, the thread may be made of wear resistant material. The thread is not easy to be abraded, thereby the work being stable.

Abstract: A hinge assembly includes a shaft, a cam, a follower, and an resilient member. The follower is mounted on the shaft. One end of the follower has a first cam surface. The first cam surface defines a groove. The cam is mounted on the shaft and adjacent to the follower. The cam has a second cam surface, and the second cam surface engages with the first cam surface. The second cam surface forms a protrusion, and the protrusion is received in the groove. The resilient member is placed around the shaft forcing the first cam surface to engage with the second cam surface.

Abstract: An object of the present invention is to provide a novel hinge device having extremely high product value, and to provide an electronic device that utilizes this hinge device. The hinge device for rotatably linking a first member (1) and a second member (2) has a first pivoting mount (4) provided to the first member (1), and a second pivoting mount (6) provided to the second member (2) and linked with the first pivoting mount (4) so that relative rotation is possible via a shaft part (5). A stop piece (9) for pressing against and locking onto a protrusion (8) provided to one of the first pivoting mount (4) and the second pivoting mount (6) is provided to the other pivoting mount to block over-rotation at a designated relative rotational position between the first pivoting mount (4) and the second pivoting mount (6).