Abstract: A display apparatus in which a monitor is firmly supported by a stand mounted with a hinge and is tilted at a predetermined angle. The display apparatus includes a monitor displaying a picture thereon, and a stand supporting the monitor. The stand includes a stand base, a hinge bracket placed on the stand base and formed with an opened hinge accommodating part at a side thereof, a hinge including a first part accommodated in and connected to the hinge accommodating part of the hinge bracket, a second part connected to a back of the monitor, and a tilt restrictor to restrict a tilt of the monitor; and a hinge bracket cover detachably coupled to the hinge accommodating part formed in the hinge bracket. The present invention provides a display apparatus improved in assembling efficiency and design.

Abstract: A decelerating device includes a bushing and a pin carried coaxially by the bushing. A first end of the pin is housed inside the bushing and a second end of the pin, opposite to the first end, projects axially in cantilever fashion from the bushing. Inside the bushing, between the pin and one internal side wall of the bushing, there are housed, alongside one another, at a pre-set axial distance apart from one another, one or more deformable annular gasket elements. Each deformable annular gasket element has in radial cross section, in undeformed conditions, a peripheral profile defining at least one concavity.

Abstract: The invention relates to a hinge door arrester, particularly for vehicle doors, comprised of two hinge parts (2, 4), which are connected by a hinge pin (6) in a manner that permits them to swivel about a rotational axis (8) and between which a detent device (10) is integrated that defines different relative rotating positions. Said detent device (10) is comprised of at least one detent element (12), which is kinematically joined to the first hinge part (2) and which is spring-loaded in a radical working direction that is perpendicular to the rotational axis (8). The detent device is also comprised of a sliding surface (16), which is kinematically joined to the second hinge part (4), is provided essentially in the shape of a sector of a circle, is arranged, with regard to its radius of curvature, coaxial to the rotational axis (8), and which comprises at least one detent position (14) that interacts with the detent element (12).

Abstract: The rotation-retarding device includes a first element and a second element having a rotary motion to be retarded relative to each other. The first element includes a block of flexible material (106), the second element (107) is able to locally deform the block of flexible material (106) throughout the rotary motion in order to retard this motion, and anti-adherence means are provided at the interface of the two elements. The block of flexible material (106) may also have a dimensional variation able to permit progressive retarding of the rotary motion.

Abstract: A hinge structure for mounting a swingable member which is swingable relative to a body member, includes a first knuckle formed on the swingable member, a second knuckle formed on the body member coaxial with the first knuckle, and a pivot pin extending through the first and second knuckles to join the first and second knuckles to each other. The pivot pin is provided with a radial projection formed at one end thereof to extend radially outwards, a width of the radial projection being smaller than a diameter of the pivot pin. One of the first and second knuckles is provided with at least one groove which is formed at one end thereof, wherein the radial projection is fitted into the groove to prevent the pivot from rotating relative to the one of the first and second knuckles.

Abstract: In order to provide a tilt hinge small in size and diameter capable of generating a stable friction torque of approximately 100 kgf/mm, a hinge friction-rotatably coupling a first member and a second member that are relatively opened/closed includes: a holder attached to one of the first member and the second member; a shaft attached to the other one of the first member and the second member to be rotatable relative to the holder and immovable in an axial direction; a plurality of first friction discs restrained by the holder to be rotatable and movable in the axial direction, with the shaft being inserted through insertion holes thereof; a plurality of second friction discs interposed between the first friction discs to be movable in the axial direction with rotation thereof restrained by the shaft; and a plurality of disc springs and/or spring washers attached to the shaft so as to bring the first friction discs and the second friction discs to be in contact with each other by pressing the first friction di

Abstract: A hinge for a notebook includes an L-shaped seat with a barrel. A pintle has a shaft extending in the barrel of the seat. A first tube, a sleeve and a second tube are in turn mounted on the shaft. The first tube and second tube are securely received in the barrel and each has a stop formed at a respective end facing the sleeve. The sleeve has two arcuate segments respectively formed at two ends and corresponding to the stops of the tubes. Thus, the sleeve can be rotated along with the shaft about the first and second tubes until one arcuate segment of the sleeve abuts the corresponding stop. Whereby, a user can raise the display with a small force to separate the display from the body and a large force to completely raise and position the display.

Abstract: A hinge device of a portable terminal connects a keyboard member to a comparatively massive display member and has cam and friction mechanisms. The cam mechanism has a fixing cam for axially receiving a shaft which extends into a cam case having a rotation arresting mechanism fixed on the shaft, a slider cam provided slidably in a manner to confront the fixing cam restrained in its rotation by the cam case, and an elastic mechanism for pressing the slider cam toward the fixing cam. The friction mechanism has a friction ring attached to the shaft and fitted into the friction case under pressure with a rotatable rotation arresting mechanism, so that both of automatic close lock function from a predetermined closed angle between the first and second members and a free stop function when opening and closing operation of the first and second members can be realized together without strain.

Abstract: An axle positioning structure includes a sleeve, a shaft, and an elastomer. The sleeve includes a bottom and an inner wall. The bottom and the inner wall form a receiving space. The shaft is rotatably coupled to the sleeve. The first end of the shaft goes through the hole of the bottom, and the second end of the shaft is disposed within the receiving space. The elastomer is connected to the second end of the shaft for holding the sleeve by stretching onto the inner wall of the sleeve, so that the shaft is positioned after rotating a determined angle relative to the sleeve.

Abstract: A fold-type cellular phone has a top unit, a bottom unit and a hinge coupling together the top unit and the bottom unit while allowing the top unit to turn and swivel with respect to the bottom unit. The top unit is first unfolded from a first folded position to an attitude angle of 160 to 170 degrees, and swiveled by 180 degrees to be folded onto the bottom unit in a second folded position at an attitude angle of 180 degrees. The swivel movement of the top unit causes a cam assembly to turn the top unit from the attitude angle of 160–170 degrees to an attitude angle of 180 degrees in the second folded position, thereby allowing the top unit to assume a suitable attitude with respect to the bottom unit.

Abstract: A new hinge design is used to connect a base unit and its display panel of a notebook computer. The new hinge design consists of a hinge bracket and a hinge shaft. The hinge bracket consists of a horizontal band, a vertical band, a barrel part and a bent band. The horizontal band and the vertical band are both mounted inside the base unit via holes thereon. The bent band bends from the vertical to the desired direction so as to shift a position of the hinge shaft. Owing to the position shift of the hinge shaft, the center of gravity of a notebook computer will also shift. The hinge shaft includes an attachment plate for mounting on the display panel.

Abstract: A hinge has a spacer assembly, a rotating device, a pivot shaft and a nut. The rotating device is mounted on a display screen, and the pivot shaft is mounted on a base. The present invention provides a convenience of the screen being foldable parallel to the base.

Abstract: A hinge device of a portable intelligence terminal, which connects a first member having a keyboard and a second member composed of a comparatively massive display device in an openable and closable manner as well as possible includes a cam mechanism and a friction mechanism coaxially on a shaft.

Abstract: In one exemplary embodiment, a hinge assembly having a counterbalance spring, a friction mechanism, and an independent pop-up element attached to a shaft. In one embodiment, a hinge assembly having a counterbalancing spring and an independent pop-up element attaches a display assembly to a base assembly of a portable computer.

Abstract: The self-locking hinge (24) includes a first plate (28) hingedly connected to a second plate (30). Fasteners (24) are provided on the plates to secure them to a member, such as a easel strut hinge (24) of picture frame back (20). A locking structure is connected to the first plate (28) and the second plate (30) for maintaining the second plate (30) in the substantially open position relative to the first plate (28). The locking hinge (24) includes a protrusion (36) on the first plate (28) that removably engages with a free edge (34) of the second plate (30). The hinge (24) also includes a structure for maintaining the second plate (30) in rotating arrangement with the first plate (28) when the plates (28, 30) are hingedly secured to one another in a rolled pinless fashion. Locking lugs (40) are used to maintained the second plate (30) rolled about the first plate (28).

Abstract: An abutment member 4 of a first hinge member A1 is pressed against a cam member 8 of a second hinge member A2 by a coiled spring 6. By this, an interval between an enlarged diameter portion 31 of an insertion member 3 of the first hinge member A1 and a connecting plate portion 72 of the second hinge member A2, is restricted to a predetermined interval. In other words, an interval between the end faces 31a, 72a of the enlarged diameter portion 31 and the connecting plate portion 72 is restricted to a predetermined interval. A friction member 10 composed of an elastic material such as a rubber is disposed between the end faces 31a, 72a. The thickness of the friction member 10 in the opposing direction of the end faces 31a, 72a is larger than the interval between the end faces 31a, 72a.

Abstract: A support member is incorporated in a first enclosure. A rotating member is supported on the support member for relative rotation around a first rotation axis. A second enclosure is coupled to the rotating member for relative rotation around a second rotation axis extending along a plane perpendicular to the first rotation axis. A hinge cap having a predetermined elasticity covers over the rotating member. A protrusion formed on the hinge cap is engaged with the rotating member based on the elasticity of the hinge cap. When the second enclosure is folded over the first enclosure, either the front or back surface of the second enclosure can be received on the front surface of the first enclosure. Even if the user carries the electronic apparatus, the hinge cap is reliably prevented from rattling. Generation of noise can be avoided.

Abstract: A hinge includes a pintle in turn extending through a first sheet, a rotating ring, a second sheet, a positioning ring, an elastic ring, and a washer, and fastened by a collar at a distal end of the pintle. The hinge can be rotated clockwise and counterclockwise and positioned at the angles of 0 degrees, 90 degrees, 180 degrees, ?90 degrees, and ?180 degrees.

Abstract: A tilt hinge connecting a first member which constitutes a keyboard base and a second member which constitutes a display device of a small-sized office automation equipment, in which the first member and the second member are opened and closed with respect to each other.

Abstract: A safety structure of a desk-top Liquid Crystal Display (LCD) is disclosed. The safety structure has a seat body pivotally mounted to a monitor, characterized in that the monitor is provided with two sections of elevation angle, wherein the first section of the elevation angle complies with the angle of application for human body, and the second section of the elevation angle has a maximum elevation angle in parallel to a base seat of the monitor, and the twisting force of the monitor required to rotate within the scope of elevation angle of the second section is larger than that of the elevation angle of the first section, but the twisting force to rotate within the second section is smaller than the weight of the seat body.

Abstract: Disclosed is a hinge device of a portable wireless terminal. The portable wireless terminal includes a first housing, a second housing rotatably coupled to the first housing in such a manner that the second housing moves away from the first housing or approaches the first housing according to a rotational movement thereof, a first hinge axis extending parallel to an upper surface of the first housing, and a second hinge axis extending perpendicular to the upper surface of the first housing and providing a rotational center for the first hinge axis. The first and second hinge axes act as rotational axes of the second housing when the second housing rotates with respect to the first housing.

Abstract: A hinge structure includes a pivot shaft, a bracket, a fastening member, and at least one external tooth washer located between the bracket and the fastening member. The bracket and the external tooth washer are sequentially mounted on the pivot shaft and the fastening member is screwed to a tightening section at an end of the pivot shaft. The pivot shaft and a mounting arm of the bracket are respectively connected to a mainframe and a screen of a clam-type electronic apparatus, such as a notebook computer. The external teeth of the external tooth washer are firmly and elastically compressed between the bracket and the fastening member, preventing the fastening member from turning along with the screen when the latter is pivotally turned relative to the mainframe, or separating from the pivot shaft after the screen has been pivotally turned many times.

Abstract: A hinge apparatus disposes a panel to be opened and closed with respect to a body of an appliance. The hinge apparatus includes a fixing bracket fixed on the body, a supporting bracket fixed on the panel and a hinge shaft fixed on the fixing bracket to rotatably support the supporting bracket. The hinge apparatus also includes an automatic pivot unit to cause the panel to be opened with respect to the body by a predetermined free rotation angle when a locking state between the panel and the body is released. Further, the hinge apparatus includes a manual pivot unit to provide a frictional force between the supporting bracket and the hinge shaft. The frictional force restricts the supporting bracket from being automatically rotated by the automatic pivot unit and also fixes the panel, which is opened further from the predetermined free rotation angle, in a fixed position.

Abstract: A swivel hinge with angular fixing structure is employed to connect a mainframe and a display means of a notebook computer. The swivel hinge has a fixture part, a fixture friction ring, a rotation part, a rotation friction ring, and an elastic ring. The fixture part mounted on the mainframe has a through hole in the center thereof. The fixture friction ring mounted on the fixture part has at least one holder on the surface. The rotation friction ring mounted on the rotation part has at least one slot in the surface thereof. The elastic ring is located between the fixture part and the fixture friction ring. If the slot and the holder on the friction ring fit into each other, the desired angular fixing function is provided.

Abstract: A hinge device includes a housing (10), a shaft (20), and a pair of springs (30) coiled in opposite directions from each other. The housing defines a through hole (11) and a slot (14) therein. The through hole includes a large hole (13) and a small hole (12), the large hole communicating with the slot. The shaft includes a first portion (22). Each spring has a free end (34), and forms a plurality of protrusions (32) on an inner surface thereof. The shaft is rotatably received in the through hole of the housing. The springs are frictionally positioned around the first portion of the shaft, the free ends of the springs being retained in the slot of the housing.

Abstract: The present invention relates to an assembly for rotatably mounting a display unit to a surface for movement between a first angular position adjacent the surface, a second angular position spaced from the surface and a range of third angular positions spaced from the second angular position. A first pintle secured to a first hinge mount is rotatably connected to a first hinge bracket. A first friction element secured to the first hinge bracket imparts a first resistive friction to the first pintle. A first detent mechanism secured to the first hinge bracket releasably secures the first pintle in the second angular position and imparts a second resistive friction to the first pintle when the first pintle is rotated through the range of third angular positions. The display unit rotates in a controlled manner from the first angular position to the second angular position due to a gravitational force.

Abstract: The hinge for a piece of portable electronic equipment with a cover and a base has a keyed pivot pin, a stationary leaf, a washer, a rotating positioning element, a stationary positioning element, a biasing member, and a fastener. The washer, rotating positioning element, stationary positioning element and biasing member are sequentially mounted on the keyed pivot pin and are held in place with the fastener. The rotating positioning element has detents corresponding to and simultaneously engaging protrusions on the stationary positioning element when the hinge is closed. Because the detents and protrusions are not symmetrically oriented respectively on the rotating and stationary positioning elements, the detents will only engage the protrusions in one position, a closed position. The protrusions on the stationary positioning element press against the rotating positioning element and hold the hinge open at any desired angle.

Abstract: The invention concerns a cabinet fitting, in particular a hinge, with integrated braking and damping device, including a fastenable hinge arm on a cabinet component and a fastenable hinge cup on another movable cabinet component that is connected by at least one articulated lever with the hinge arm. The invention is characterized by the driver plate, which can slide, is held in the hinge cup and can be operated directly or indirectly by the articulated lever and has held in the hinge cup at least one pivoting or swiveling brake plate moves turning, so that the brake plate has at least one brake surface that glides on at least one corresponding, fixed brake surface or, on one opposite the first brake surface, a second movable brake surface.

Abstract: An electronic apparatus has a first housing, a second housing, a hinge mechanism and an interlocking mechanism. The hinge mechanism couples the first and second housings so that the housings are relatively rotated about first and second axes intersected with each other. An interlocking mechanism decreases a rotational resistance between the first and second housings about one of the two axes, while the first and second housing are relatively situated to each other at a position of the rotation about the other axis.

Abstract: A hinge for a notebook computer has an L-shaped first seat with a first opening and a second opening. A barrel is mounted on the first seat, and has a rib received in the first opening, and an ear received in the second opening. A pintle rotatably extends in the barrel and mounted on a second seat by a butt of the pintle inserted through a third opening of the second seat. The first seat is mounted on an LCD monitor of the notebook computer, and the second seat is mounted on a body of the notebook computer. The hinge has a simple structure and a low cost.

Abstract: A securing device includes a body adapted to securely connect to the primary plate and two arms vertically extending out from two opposite ends of the body. Each of the arms has an assembly hole to adapt to align with opposite ends of a tubular connector of the primary plate so that when the shaft extends into the tubular tube, the two arms are secured to the shaft. When a radial force is acting on the shaft, the force is compromised by the two arms of the securing device such that damping of the screen is minimized.

Abstract: A swivel hinge with angular fixing structure is employed to connect a mainframe and a display means of a notebook computer. The swivel hinge has a fixture part, a fixture friction ring, a rotation part, a rotation friction ring, and an elastic ring. The fixture part mounted on the mainframe has a through hole in the center thereof. The fixture friction ring mounted on the fixture part has at least one holder on the surface. The rotation friction ring mounted on the rotation part has at least one slot in the surface thereof. The elastic ring is located between the fixture part and the fixture friction ring. If the slot and the holder on the friction ring fit into each other, the desired angular fixing function is provided.

Abstract: A shaft lock apparatus, whose tilt angle between the apparatus's shaft and its rotating member is adjusted by a stable friction torque, and whose structure is simple. It is furnished with a rotating member (2) through which a shaft (1) passes in a condition of free rotation, and with elastic pressure members (3) and (4) through which the shaft (1) passes in a condition of bound rotation so as to keep the angle between the rotating member (2) and the shaft (1) at a desired degree by pressing against the rotating member (2).

Abstract: A hinge for a mobile phone is composed of a barrel, a positioning member, a pintle, and a resilient ring. The barrel is installed in a cover of the mobile phone, and the pintle is installed in the body of the mobile phone and received in the barrel. The positioning member is secured in the barrel, and has two arms respectively abutting two flat surfaces of the pintle. The resilient ring is provided outside the arms to tightly position the pintle between the arms. When the cover is pivoted about the body upwards or downwards to a certain position, under the force of the resilient ring and the arms, the barrel can be automatically and rapidly pivoted further to raise or close the cover.

Abstract: A stand for a flat panel display, such as an LCD display, includes a base member, a one-piece bracket plate, and a pair of mounting units for mounting pivotally the panel display. The bracket plate includes a planar support member, a front connecting member projecting forwardly from a lower end of the support member, and two bracing members projecting rearwardly from two lateral ends of the support member. Two connecting members project respectively rightward and leftward from lower ends of the bracing members. The front connecting member is secured on the base member. The support member has an upper edge with a length larger than that of the lower end thereof. The bracket plate defines right and left corners at the lateral ends so as to reinforce bending strength thereof.

Abstract: The invention relates to a door hinge for a motor vehicle door. Said door hinge comprises a first and a second hinge half (1, 2) each of which can be fastened either on one of the door fastening elements, on the door or on the door pillar respectively. The hinge also comprises a hinge shaft (3) that is received by the lugs of the one hinge half (1) in a running fit and by the other hinge half (2) in a stationary manner and that links the two hinge halves (1, 2) so that they can be swiveled. The door hinge is further provided with an integrated door stop unit by means of which the one hinge half can be arrested with respect to the other hinge half under the pre-load of a spring (7), said spring forcing a tappet (5) against a profiled circumferential section of the hinge shaft. Said tappet (5) interacts with the profiled circumferential section, thereby defining a frictional force for the door hinge.

Abstract: A duplex opposite friction hinge adopted for extending a notebook computer or an article which has a lid as desired includes an axle member, a first rotary member which has a first rotary section to couple with the axle member, and a second rotary member which has a second rotary section encasing the first rotary section. The first rotary section and the second rotary section are extended to form a first fastening section and a second fastening section. The first fastening section and the second fastening section correspond to each other and are located transversely on the center of the axle member.

Abstract: Disclosed is a hinge device of a portable wireless terminal. The portable wireless terminal includes a first housing, a second housing rotatably coupled to the first housing in such a manner that the second housing moves away from the first housing or approaches the first housing according to a rotational movement thereof, a first hinge axis extending parallel to an upper surface of the first housing, and a second hinge axis extending perpendicular to the upper surface of the first housing and providing a rotational center for the first hinge axis. The first and second hinge axes act as rotational axes of the second housing when the second housing rotates with respect to the first housing.

Abstract: A hinge assembly for a flat display monitor is enclosed. The hinge assembly according to the present invention includes a support plate fastened to a rear side of a flat display monitor; first and second mount brackets, each having a base side fastened to the support plate and a bracket side with a bracket hole; and a hinge shaft rotatably mounted so as to extend through the bracket hole of each mount bracket. The hinge assembly further includes a hinge tongue fixedly coupled to the hinge shaft, the hinge tongue also being coupled to a support leg; means for limiting an inclination angle of the flat display monitor by limiting an angular position of the hinge shaft; and means for adjusting a torque required to change the inclination angle of the flat display monitor. The hinge assembly of the present invention allows a user to adjust the inclination angle of a flat display monitor easily. In addition, the whole processes of making and assembling the hinge assembly are greatly simplified.

Abstract: The invention provides an articulated joint having a device for movably coupling a first movement element to a second movement element. The device comprises a fastening unit, which comprises at least one first braking element connected to the first movement element and at least one second braking element connected to the second movement element, a force application element which applies a force to at least one of the first or second braking elements, and a mechanical switching unit capable of taking up a coupling state and at least one separating state. The mechanical switching unit switches over from the coupling state into a separating state when the movement elements move relative to one another, and the mechanical switching unit deactivates the force applied by the force application element to at least one of the first or second braking elements when the mechanical switching unit is in the separating state.

Abstract: A hinge assembly includes a base-side support member and a monitor-side bracket set being pivotally connected to each other at two pivot shafts on the base-side support member. Elastic washers and anti-skidding washers are sequentially put around the pivot shafts with a separate washer of a predetermined thickness disposed between any two adjacent components of the hinge assembly on the pivot shafts. The separate washer is made of a highly pressure-resistant and wear-resistant material, such as high-molecular polymers, including, for example, Teflon, nylon, ABS resin, PC, PW, Bakelite, or other materials having similar properties. When nuts are tightened against the pivot shafts to firmly lock the components on the pivot shafts together with a selected torque, the separate washers separate and prevent such components from direct and frictional contact with one another.

Abstract: A rotating mechanism for an LCD monitor having a monitor and a supporting structure. The rotating mechanism comprises a protruding sleeve, a supporting body, a shaft sleeve, a sleeve, a first screwing element and a second screwing element. The protruding sleeve has a fitting hole and is disposed on the back of the monitor. The supporting body has a bending element. The shaft sleeve is fitted between the protruding sleeve and the bending element of the supporting body. The sleeve is fitted in the fitting hole of the protruding sleeve. The first screwing element is threaded into one end of the shaft sleeve from the sleeve. The second screwing element is threaded into the other end of the shaft sleeve from the bending element. Thus, the tightness of the rotating mechanism of the invention can be adjusted by way of the first screwing element.

Abstract: A triaxial hinge for supporting a flat panel display device on an external member includes a first member, a second member, a third member and a supporting member. The first member is fixed to the external member. The second member is pivotally connected to the first member for defining a first pivot. The third member is pivotally connected to the second member for defining a second pivot perpendicular to the first pivot. The supporting base is pivotally connected to the third member for defining a third pivot perpendicular to the first and second pivots. The flat panel display device is attached to the supporting base and can be pivoted on the first, the second, and the third pivots, respectively, with respect to the first member.

Abstract: A pivot hinge has a stem, a bracket and washers provided on opposite sides of the bracket. Each washer is a disk and composed of multiple first sectorial areas and multiple sectorial areas parallel to the first sectorial areas. Each of the first sectorial areas is intermittently connected to one another and a second sectorial area is formed between two adjacent first sectorial areas.

Abstract: A hinge assembly for a flat display monitor is enclosed. The hinge assembly according to the present invention includes a support plate fastened to a rear side of a flat display monitor; first and second mount brackets, each having a base side fastened to the support plate and a bracket side with a bracket hole; and a hinge shaft rotatably mounted so as to extend through the bracket hole of each mount bracket. The hinge assembly further includes a hinge tongue fixedly coupled to the hinge shaft, the hinge tongue also being coupled to a support leg; means for limiting an inclination angle of the flat display monitor by limiting an angular position of the hinge shaft; and means for adjusting a torque required to change the inclination angle of the flat display monitor. The hinge assembly of the present invention allows a user to adjust the inclination angle of a flat display monitor easily. In addition, the whole processes of making and assembling the hinge assembly are greatly simplified.

Abstract: A hinge structure for mounting a swingable member which is swingable relative to a body member, includes a first knuckle formed on the swingable member, a second knuckle formed on the body member coaxial with the first knuckle, and a pivot pin extending through the first and second knuckles to join the first and second knuckles to each other. The pivot pin is provided with a radial projection formed at one end thereof to extend radially outwards, a width of the radial projection being smaller than a diameter of the pivot pin. One of the first and second knuckles is provided with at least one groove which is formed at one end thereof, wherein the radial projection is fitted into the groove to prevent the pivot from rotating relative to the one of the first and second knuckles.

Abstract: A damped hinge comprising a first part mounted to a second part to allow relative rotation between the first and second part; biasing means for providing rotational movement between the first and second part; wherein upon rotational movement between the first and second part the first and second parts are arranged to cooperate to dampen the rotational movement.

Abstract: A pivot hinge has a first stem, a second stem and a sleeve. The first and second stems respectively have a body with through holes adapted to be engaged with a surface, and an extension with grooves formed on a periphery of the extension. The sleeve is hollow to respectively receive therein the extensions of the first and second stems and has a cutout longitudinally defined in an outer periphery of the sleeve and a pair of gaps radially defined in the periphery of the sleeve to communicate with the cutout.

Abstract: A hinge device of a foldable electronic appliance having a sub-body rotatably mounted by the hinge device to a main body. The hinge device having a hinge shaft with one end fixedly mounted to the sub-body and a second end rotatably mounted to the main body. A fixed disk having a notch therein and a protrusion continued from the notch and extending from one face thereof, the fixed disk being in a fixed relationship to the main body. A movable disk having a protrusion extending from a face thereof to contact with the one face of the fixed disk when opening the sub-body or to engage the notch in the fixed disk when the sub-body is fully closed. A projection extending from the movable disk to limit the rotation of the hinge shaft. A spring washer for axially pressing the movable disk toward the fixed disk, and a nut for fixing the fixed disk, the movable disk and the spring washer to the second end of the hinge shaft.

Abstract: A friction hinge system for a laptop computer is provided. The system allows the computer display to move easily from a closed condition toward various operating angular positions while providing a greater torque for maintaining selected angular orientation. The system includes two or more bands wrapped in the same direction about a common shaft as well as a stop features for limiting the angle of rotation of each band relative to the shaft.