Abstract: A hinge includes a first bracket, a second bracket, a shaft, and first and second interference elements. The shaft is fixed to the first bracket. The second bracket rotationally fit about the shaft. The first interference element is rotationally mounted on the shaft and fixed to the second bracket, and defines two unleveled surfaces at one side. The second interference element is immovably mounted on the shaft beside the first interference element, and defines two unleveled surfaces at one side facing and corresponding to the unleveled surfaces of the first interference element.

Abstract: A hinge includes a positioning member, and a first rotational assembly rotatably mounted to the positioning member. The first rotational assembly comprises a first shaft rotatably mounted to the positioning member, an interference member, a resilient member fixed to the first shaft, and a securing member fixed to the first shaft. The interference member is fixed to the first shaft, and slide relative to the positioning member to engage with or disengage from the positioning member. The resilient member comprises an aseismatic block and a spring clamping a circumference of the aseismatic block. The resilient member is sandwiched between the interference member and the securing member, and the interference member abuts against the aseismatic block.

Abstract: A hinge includes a first bracket, a second bracket, a shaft, and first and second interference elements. The shaft is fixed to the first bracket. The second bracket rotationally fit about the shaft. The first interference element is rotationally mounted on the shaft and fixed to the second bracket, and defines two unleveled surfaces at one side. The second interference element is immovably mounted on the shaft beside the first interference element, and defines two unleveled surfaces at one side facing and corresponding to the unleveled surfaces of the first interference element.

Abstract: A hinge assembly includes a pivot shaft, a first supporting member, a second supporting member, a first positioning piece, and a second positioning piece. The first supporting member and the second supporting member are sleeved on the pivot shaft. One of the first supporting member and the second supporting member is non-rotatably connected to the pivot shaft. The first positioning piece and the second positioning piece are sleeved on the pivot shaft, and adjacent to each other. The first positioning piece defines a plurality of positioning protrusions. The second positioning piece defines a plurality of positioning holes for receiving the positioning protrusions. The second positioning piece is elastic. When the first supporting member rotates relative to second supporting member, the second positioning piece deforms.

Abstract: A hinge mechanism includes first and second hinge devices rotatable in different directions. Further, a first positioning member is utilized for limiting the rotation of the first hinge device within one predetermined angle. Further, a second positioning member is utilized for positioning the first pintle at various orientations. Moreover, a third positioning member is utilized for limiting rotation of the second hinge device within another predetermined angle. A fourth positioning member is utilized for positioning the second pintle at various orientations.

Abstract: A hinge assembly includes a first rotating module and a second rotating module. The first rotating module includes a frame and a pivot mechanism positioned on the frame. The second rotating module includes a supporting body, a shaft, a rotating washer, a stationary washer, a resilient ring, and a nut. A first end of the shaft is fixed on the frame, and the supporting body, the rotating washer, the stationary washer, the resilient ring, and the nut are orderly sleeved on a second end, opposite to that of the first end, of the shaft. The nut fixes the supporting body, the rotating washer, the stationary washer, and the resilient rings to the shaft. The rotating washer and the stationary washer forms at least one protrusion and at least depression for receiving the at least one protrusion respectively. The pivotal shaft is configured to drive the stationary washer to rotate.

Abstract: A monitor hinge device includes engagement projections 42, and engaging holes 43a, 43b, 44a, and 44b for enabling a monitor 3 to be opened and closed about a first rotation central axis X and for enabling the above-mentioned monitor 3 which has been rotated about the above-mentioned first rotation central axis X in an opening direction to be rotated about a second rotation central axis Y perpendicular to the above-mentioned first rotation central axis X, and for positioning the above-mentioned monitor 3 at a position at which the above-mentioned monitor 3 is rotated by a predetermined amount with respect to the above-mentioned first rotation central axis X and for positioning the above-mentioned monitor 3 which has been rotated about the above-mentioned second rotation central axis Y at a position at which the above-mentioned monitor 3 is rotated by a predetermined amount with respect to the above-mentioned first rotation central axis X.

Abstract: A modular hinge for mechanically connecting first and second parts of a handheld electronic device, said modular hinge comprising at least two hinge elements, each hinge element comprising an arm and a boss with a through hole for receiving wiring for electrically connecting the first and second parts, said arm being rotatably mounted on said boss, and wherein the hinge elements are mounted on a bracket with said through holes in alignment.

Abstract: A hinge is mounted between a cover and a base of an electronic device. A lid covers the hinge and is attached securely to the base. The hinge has a cam wing, a sleeve, a rotating shaft and a pin. The rotating shaft is mounted slidably in the sleeve. The pin is mounted slidably and transversely through the sleeve, is attached securely to the rotating shaft and slides along the outer edge of the cam wing. When the cover is pivoted to a certain angle, the pin slide at part of the cam wing having larger diameter to gradually lift up the cover so the cover is selectively distant away from the lid. Therefore, the shape of the electronic device does not need to be disfigured and the cover still does not bump against the lid.

Abstract: A hinge assembly includes a pivot shaft, a rotatable leaf rotatably sleeved on the pivot shaft, a fixing leaf non-rotatably sleeved on the pivot shaft, a first magnet fixed to the rotatable leaf, a second magnet fixed to the fixing leaf, and a fixing member. A polarity of the second magnet faces an opposite polarity of the first magnet in a predetermined position such that the first and second magnets experience attraction. The attraction is changeable when the rotatable leaf is rotated relative to the fixing leaf. The fixing member is fixed at an end of pivot shaft to prevent the rotatable leaf and the fixing leaf from detaching from the pivot shaft.

Abstract: A hinge includes a first connecting member, a shaft, a second connecting member, a first fixing member rotatably mounted to the shaft, a ring immovable fixed to the shaft and abutting against the first fixing member, a number of biasing members all rotationally mounted to the shaft, and a fastener. The shaft extends from the first connecting member, with a threaded distal end of the shaft engaging with the fastener. The second connecting member defines a first depressed portion, a through hole transversely passing through the first depressed portion for rotationally fitting about the shaft, and a fixing slot in a first end of the second connecting member. The first fixing member is received in the first depressed portion, and a fixing protrusion extends from the first fixing member for engaging with the fixing slot.

Abstract: A hinge includes a bracket with a protruding portion, a shaft extending through the bracket, a positioning member mounted on the shaft, and a resilient member. The shaft includes a post and a blocking portion. A slope surface is formed from one end of the protruding portion. The positioning portion is formed on the positioning member facing to the protruding portion of the bracket. An inclined stopping surface is formed from one end of the positioning portion. The resilient member fits about the shaft between the blocking portion and the positioning member. When the shaft rotates with respect to the bracket beyond the limits of a desired angle, the protruding portion drives the inclined stopping surface of the positioning member to move the positioning member away from the bracket to compress the resilient members for obviating the hinge to be damaged.

Abstract: A hinge assembly (100) includes a shaft (13), a cam (14), a follower (15), a first spring (12), a control member (17), a second spring (16), and a fixing seat (18). The shaft defines a thread (1311). The cam has a cam surface (146), a cam hole (141) and an inner circumferential surface. The inner circumferential surface includes a protrusion (142) configured engaged the thread of the shaft. The control member has at least one reverse slot (173). The circumferential surface includes at least one block (184). The at least one block is received in the at least one reverse slot of the control member so as to lock the control member into the fixing seat. The hinge assembly allows for the automatic opening and closing of the device to which the hinge assembly is incorporated.

Abstract: A support mechanism is adapted to support an upper body of an electronic element, and the upper body can be turned pivotally relative to a lower body of the electronic device. The support mechanism includes a base, a plate, a transmission shaft and a torsional force generating device, in which the base is fixed on the lower body and the plate is fixed on the upper body. Furthermore, the transmission shaft is passed through and installed on the base and the torsional force generating device is wound around the transmission shaft. One end of the torsional force generating device is extended outward and fixed on the plate so as to couple the base to the plate and process a pivotal turn.

Abstract: An exemplary interference assembly of a hinge includes a first element and a second element. The first element defines a through hole in a center, and a first depression portion in the side. A first raised portion protrudes from the side of the first element. The first depression portion and the first raised portion are opposite each other across the through hole. The second element defines a fixing hole in a center, and a second depression portion in a side facing the side of the first element for engaging with the first raised portion. A second raised portion protrudes from the side of the second element for engaging with the first depression portion. The second depression portion and the second raised portion are opposite each other across the fixing hole.

Abstract: A structure of supporting shaft rod includes a retaining member having a retaining sheet and a retaining shaft rod; and a mobile supporting member having two supporting racks. The retaining shaft rod is inserted through a mobile buckling sheet and a retaining buckling sheet of two latching units. Each mobile buckling sheet has a pair of mobile protruding bumps. Each retaining buckling sheet has a pair of retaining protruding bumps corresponding to the pair of mobile protruding bumps. A wearing-resistant ring is located between the mobile buckling sheet and the corresponding retaining buckling sheet. The retaining shaft rod is inserted through the wearing-resistant ring. An outer circumference of the wearing-resistant ring is located between interior surfaces of the pair of mobile protruding bumps of the mobile buckling sheet and the pair of retaining protruding bumps of the corresponding retaining buckling sheet and an exterior surface of the retaining shaft rod.

Abstract: Provided is a hinge device which allows the display device to be watched at an arbitrary angle, thus enabling all the passengers to watch the display at an optimum angle, which helps to achieve an improvement in terms of quality and reliable dropping/opening by causing the dropping/opening movement of the display device due to its own weight to be reliable and gentle in the range from the start to an angle of approximately 30° , and which helps to achieve an improvement in terms of operational feel in the free stop range, thus allowing light operation.

Abstract: A hinge assembly suitable for coupling a notebook computer base to a display includes a first coupling member for coupling to the base and a second coupling member for coupling to the display. A positioning device supports the display at various angular positions relative to the base. A friction device increases resistance to movement throughout the range of motion of the hinge assembly while decreasing torque and pressure load transmitted to the positioning device.

Abstract: A flat display device (2) has a foldable base (25). The flat display device includes a flat panel (21) pivoted to a base by a hinge assembly (23). The panel is capable of rotating with respect to the base between a position and a second position. A third position of the panel with respect to the base is intermediate between the first position and the second position. A first friction force provided by the hinge assembly when the panel rotates between the first position and the third position is smaller than a second friction force provided by the hinge assembly when the panel rotates between the third position and the second position.

Abstract: This invention relates to multiple configurations of devices to restrain a door or similar hinged, swinging appliance from autonomously swinging away from an initial fully or partially opened position to which it has been adjusted. No external, unattached parts are employed. The invention is applicable to any hinged, swinging object. It includes the use of either linear friction, such as through the use of compression nuts and springs applied to the hinged pin, so as to force the hinged knuckles into contact and frictional engagement. Another concept is the use of radial friction, through the application of either a slotted spring pin, or a spiral spring pin, that locates within the knuckles of the hinge components, to add friction to their pivotal movement when opening or closing of a door, or other structure.

Abstract: An adjustable pivoting device for panel display has a body and a mounting assembly. The body has a controller that is capable of longitudinal movement and two motivating elements that are capable of transversal movement. The controller has actuating slots formed slantwise through the controller. Each motivating element has a latch and an engaging element slidably mounted in one of the actuating slots of the controller, thereby the motivating elements are moved transversely when the controller is moved. The mounting assembly is pivotally mounted with a stand and has two latching elements that rotate simultaneously with the stand and has multiple teeth selectively engage the latches to limit a rotation of the stand. Accordingly, the adjustable pivoting device allows the stand to be adjusted to different positions for freely changing a status or an angle of the panel display and is convenient in use.

Abstract: A pivotable bracket is provided such that a constant moment of friction is present at the hinge (4). A first hinge part (5) is provided, which has a cylindrical pin (6) and a contact surface (11). A second hinge part (12) is provided, which has a bearing bush (13), which can be pushed over the pin (6), with two friction surfaces (15, 16) directed at right angles to the central axis (14). The second hinge part (12) is braced against the contact surface (11) by means of a tensioning device (7, 19, 20, 21, 22) arranged on the upper side of the pin (6).

Abstract: A hinge for circumrotatory location includes a base, a locating gasket defining a pair of recesses thereon, a top cover defining a third groove in a bottom thereof. The base has a first groove, a second groove above the first groove. A retention slot connects the second groove and has two retention edges. A stop block is rotatably mounted in the retention slot and stretches into the second groove. The retention edges are capable of stopping the stop block. A pair of locating slots corresponding to the recesses are centrosymmetrically defined in the fundus of the third groove. A protrusion protrudes from the bottom of the top cover and adjacent to the third groove. The top cover lies above the locating gasket which is fitted to the first groove. The protrusion rotates around the second groove and is capable of being against two sides of the stop block.

Abstract: A hinge apparatus used to connect a base and a display unit comprises a connecting member a first fastening member a second fastening members a first pivoting member and a second pivoting member, wherein the connecting member includes a first hole and a second hole. One end of the first pivoting member is fixed with a display unit and the other end crosses through the first hole and is then fastened with the first fastening member. One end of the second pivoting member is fixed with a base and the other end crosses through the second hole and is then fastened with the second fastening member. With the connectivity between the connecting member the first pivoting member and the second pivoting member, the motion of the hinge apparatus is capable of rotating 360 degrees.

Abstract: A hinge assembly includes a shaft (12), a follower (16), a cam (18), and an urging means. The shaft has a screw portion (122) defined thereon. The follower has a first cam surface (164) formed on one end surface thereof. The cam has a second cam surface (184) formed on one end surface opposite to the follower. The cam has a screw hole (182) defined therethrough. The screw hole engages with the screw portion of the shaft. The urging means is configured for providing an urging force which moves the follower along the shaft and makes the first cam surface rotatably engage with the second cam surface of the cam.

Abstract: An exemplary dual-axis hinge mechanism includes a base seat, a first rotatable assembly and a second rotatable assembly. The first rotatable assembly includes a rotary member rotatably assembled in the base seat, a steady member and an elastic member non-rotatably received in the base seat, and a fastening member. The rotary member includes a rotational shaft configured for extending through the steady member, the elastic member, the base seat, and then engages with the fastening member. Each of the rotary member and the steady member defines an engaging surface. The engaging surfaces movably engage with each other. The fastening member is rotatable along the rotational shaft for adjusting an external force for rotating the rotary member. The second rotatable assembly includes a pivotal shaft fixed to the rotary member, and a bracket pivotally assembled on the pivotal shaft.

Abstract: A hinge assembly for use in a flat display monitor includes a support member, a rotational base and a pivot mechanism for rotatably connecting the rotational base to the support member. The support member includes two first sidewalls, a first resisting surface and a second resisting surface. Each first sidewall defines a pivoting hole. The pivot mechanism includes a pivotal shaft, a limiting washer and a fixing element. The pivotal shaft includes a shaft portion running through the pivoting bole. The pivotal shaft is non-rotatable relative to the support member. The limiting washer includes a first restricting surface and a second restricting surface. The limiting washer is non-rotatable relative to the rotational base with the first restricting surface and the second restricting surface configured for resisting the first resisting surface and the second resisting surface respectively.

Abstract: A portable computer includes a monitor, a base, and a hinge. The hinge includes a shaft sleeve, a rotary shaft, a driven element, and a resistance structure. The shaft sleeve is fixed to the base. The rotary shaft is fixed to the monitor and disposed in the shaft sleeve. The driven element is connected to and driven by the rotary shaft. The resistance structure is disposed adjacent to the driven element, wherein the driven element does not contact the resistance structure when the rotary shaft is rotated in a first angular range, and the driven element contacts the resistance structure and sustains a resistance when the rotary shaft is rotated in a second angular range.

Abstract: A stand for an image display device is provided. The stand includes a leg unit. In the leg unit, a supporting member supports the image display device, a connecting member is coupled to the supporting member and rotatable in forward and backward directions with respect to the supporting member, and a base member supports the image display device with respect to a floor. The base member is rotatable in a direction different from the rotation directions of the connection member for being folded to a back of the image display device.

Abstract: An exemplary hinge assembly (300) for use in a flat display monitor includes a support member (10), a rotational base (20) and a pivot mechanism (30) for rotatably connecting the rotational base to the support member. The rotational base includes a fixing board (22) and a side board (24) disposed at an end of the fixing board, the side board defining an engaging hole (242) and forming an inwardly bent portion (240) at a distal end edge thereof. The support member includes an extending seat (16) defining a round pivoting hole (1601), and a retaining portion (161) extending from an exterior side of the extending seat. The retaining portion of the side board is configured for blocking the inwardly bent portion of the side board so that a range of rotation of the rotational base relative to the support member is between a first utmost position and a second utmost position.

Abstract: A pivotal hinge has multiple washers, positioning spacers and an oil-retaining collar mounted around the washers and the positioning spacers filled with lubricating oil. The oil-retaining collar prevents the lubricating oil from flowing out of the pivotal hinge, prevents the components from wearing away, keeps the pivotal hinge rotating smoothly and has hooks formed separately on the two edges. The hooks hold the collar securely around the pivotal hinge.

Abstract: A pivotable support shaft for connecting a display with a base member and supporting the display is disclosed. The support is designed to enable the display to have different postures in working condition and package and transporting condition. For example, in the working condition, the screen of the display may be pivotable between a pitch-up angle of about 20° and a pitch-down angle of about ?20°, and in the package and transporting condition, the screen of the display may be pivoted down to a pitch-down angle of about ?90° where the screen faces downwardly to reduce the package size and improve the transportation stability.

Abstract: A hinge structure is disclosed to include a first hinge structure and a second hinge structure respectively mounted on the base member and cover of a lifter cover type mobile electronic product, two master connecting members coupled between the first hinge structure and the second hinge structure for allowing the cover to be opened from the base member, and two auxiliary connecting members coupled between the first hinge structure and the second hinge structure in such a manner that the auxiliary connecting members lock the cover to the second hinge structure and the cover is closed on the base member, and unlock the cover from the second hinge structure for adjustment of the inclined angle of the cover when the cover is opened from base member.

Abstract: A pivotal hinge has a seat and a shaft, and a first end of the shaft is inserted into the seat. A second end of the shaft is inserted into multiple washers, a first and a second positioning ring, multiple elastic rings and a cushion ring in turn. The first positioning ring can be positioned relative to the second positioning ring and with the friction force of the washers, the excellent position effect can be achieved. Hence, a cover of a laptop computer can be positioned to the chassis of the laptop computer at a desired height.

Abstract: A foldable hinge comprising: a base seat and a connecting seat able of being adjusted for an included angle between them; an adjusting unit is provided in a pivotally connecting area between the base seat and a pivot connecting unit; the adjusting unit includes a cam being provided with a first slot and a second slot, a positioning member having a protruding bar adapted to extending through the first and second slots, and a press unit able to release engaging of the protruding bar in the first and second slots. When the protruding bar is in the first slot, the connecting seat is adapted to adjusting its depression angle or elevation angle relative to the base seat; when the protruding bar is in the second slot, the base seat and the connecting seat are in a mutual parallel folding state, the protruding bar can be directly extended into the first slot without pressing the press unit.

Abstract: A hinge structure is described. A hollow cylinder has a positioning slot in an inner wall thereof. A movable part has a positioning convex portion and a plurality of engraved portions. The positioning convex portion engages with the positioning slot such that the movable part slides within the hollow cylinder. A cover is fixed to the hollow cylinder to secure the movable part and the resilient part within the hollow cylinder. A resilient part is disposed between the cover and the movable part so as to provide the movable part a resilient recovery force. The engraved portions of the movable part are for engaging a rotatable member.

Abstract: A interference assembly includes first and second elements, each of which includes a mating side, both of which face each other. Two fixing portions extend from the first mating side. The second mating side defines a first fixing slot and a second fixing slot. A first sliding portion is angled on the second mating side between an end of the first fixing slot and an end of the second fixing slot. A second sliding portion is angled on the second mating side between the opposite end of the first fixing slot and the opposite end of the second fixing slot. One of the fixing portions may engage in the first fixing slot and move along the first sliding portion, and the other may engage the second fixing slot and move along the second sliding portion. A hinge utilizing the assembly and a collapsible device utilizing the hinge are also disclosed.

Abstract: A hinge assembly (300) for use in a flat display monitor includes a base seat (10), a fixing seat (20), a pivotal shaft (30), a resilient element (80) and a plurality of washers. The base seat includes a pivot flange (14) having a retaining hole (12) formed therein. The pivot flange defines a protrusion (18) therein, and the protrusion extending into the retaining hole. The fixing seat includes an extending portion (26) defining an engaging hole. The resilient element resists between the base seat and the fixing seat. The pivotal shaft has at least one flat surface, and the pivotal shaft is positioned within the retaining hole of the pivot flange. One of the at least one flat surface pivotably engages with the protrusion. The pivotal shaft extends beyond the retaining hole of the pivot flange, and the plurality of washers is fastened together to the pivotal shaft.

Abstract: A pivotal-axis changing hinge has a stationary leaf, a pivoting leaf, a pintle assembly and a cam. The pivoting leaf and stationary leaf are respectively connected securely to a cover having a rear edge and a keyway and a base having an elongated gudgeon. A parabolic edge is formed at an edge near the elongated gudgeon. The pintle assembly is mounted through the keyway and pivotally through the elongated gudgeon to allow the leaves to pivot along a pivotal axis of the pintle assembly. The cam is mounted on the pintle assembly, rotates simultaneously with the pintle assembly and has a protrusion mounted slidably on the parabolic edge to move the pintle assembly and the cover perpendicularly away from the base when the cover is pivoting. Consequently, the proximal edge of the cover is kept from colliding with the base and the rotating angle of the cover is expanded.

Abstract: A transversely movable hinge has a central bracket and two tilt hinge assemblies and is mounted between a cover and a base of an electronic device to allow the cover to pivot and rotate relative to the base. Each tilt hinge assembly has a pivoting leaf with a mounting segment, a torque washer and a biasing assembly. The torque washer is rotated relative to the mounting segment and has at least one protrusion. The biasing assembly presses the torque washer so the protrusion rubs against the mounting segment to provide a larger force to hold the cover at any visual angle. Then even if the resilient force of the biasing assembly is reduced to allow the cover to be easily moved transversely relative to the base, the hinge can still provide enough holding force.

Abstract: A hinge with less noise pivotally connects to a cover and a base of an electrical appliance and has a stationary-positioning element, a rotating-positioning element and a noise-eliminated spacer. The stationary-positioning element is mounted securely in the base and has at least one positioning protrusion. The rotating-positioning element is mounted securely in the cover and has at least one positioning detent corresponding to the positioning protrusion when the cover is closed. The noise-eliminated spacer is attached to the rotating-positioning element to let the stationary-positioning element and the rotating-positioning element in constant contact, which results in friction between the stationary-positioning element and the rotating-positioning element being uniform. The noise-eliminated spacer is made by metal stamping process to well form the size of the through hole for tightly engage the deformed portion of the shaft to eliminate noise.

Abstract: A hinge formed of a shaft member, a spring member, a slide, a locating member, a mounting frame, and an end cap. When turning the mounting frame with the locating member relative to the slide and the shaft member within a predetermined angle, the mounting frame is returned or positioning in a position within an angle. When turning the mounting frame over the first predetermined angle, the sliding protrusions of the locating member are moved along the sliding protrusions of the slide, and the mounting frame is returned when the sliding protrusions of the locating member do not move over the peaks of the sliding protrusions of the slide, or the mounting frame is automatically turned relative to the shaft member through an angle when the sliding protrusions of the locating member are moved over the peaks of the sliding protrusions of the slide.

Abstract: A monitor has a monitor main body and a base member to support the monitor main body. The monitor includes a link member disposed between the monitor main body and the base member, a base hinge coupling the link member, which is to be rotated within a predetermined angle against the base member, with the base member, and a monitor hinge coupling the monitor main body, which is to be rotated against the link member, with the link member. The monitor includes an auxiliary link member to link the rotation of the link member against the base member with the rotation of monitor main body, and a base bracket combined to the base member to allow the base member to be installed on an inclined plane.

Abstract: A hinge with simplified components has a central bracket, a first tilt hinge assembly, a second tilt hinge assembly and a rotating hinge assembly. The central bracket has a main arm, a first arm and a second arm. An outer surface of the first arm has multiple positioning detents formed in the outer surface. The first and second tilt hinge assemblies respectively connect to the first and second arms. The first tilt hinge assembly has a resilient stationary positioning spacer mounted adjacent to the outer surface and corresponding positioning protrusion. With the resilient stationary positioning spacer, the single spacer replaces a positioning spacer and a resilient spacer. Therefore, the components of the hinge are simplified and then the manufacturing cost and the assembling complexity are decreased.

Abstract: The present invention discloses a rotating shaft structure with automatic locking mechanism, characterized in which a shaft extending axially from an axial member passes through, in sequence, the core hole of the upright frame plane of the main frame, a friction disc, a disc-like connecting part connected with the frame plane, a cam member comprising a fastening part and a sliding part, at least an elastic body, and a connecting segment on the free end of the shaft connected with a end enclosure so as to form axial pressure to constrain the elements described above. The shaft and the main frame are provided with a linking portion and a connecting portion, respectively. The outer and inner edges of the adjoining planes between the fastening part and the sliding part are provided with at least a wedge block and at least a wedge slot alternately so as to connect the fastening part and the sliding part together.

Abstract: The present invention discloses a sheath type rotating axle structure with automatic locking mechanism, comprising a sheath device, a retainer, a pivotal axle, a locking fastener, a locking rotator, a resilient body, and a screw nut. The first axle segment of the pivotal axle is pivoted to the sheath of the sheath device to realize the function of “easy opening and firm closing,” and the sheath device is disposed with a retainer on one end to achieve the “anti-shaking” function. The second axle segment of the pivotal axle is pivoted to the through hole of the retainer and embeddingly inserted into a locking fastener and a locking rotator. The locking fastener is disposed with a pin to be securingly fixed with a pin hole formed on the retainer, and a screw nut is used to securingly fix a plurality of resilient discs or a spring. When the pivotal axle is rotated to drive the locking fastener departing from the locked position, the resilient discs (or spring) are compressed by the locking rotator.

Abstract: The present invention discloses a hinge structure, comprising a pivot having a linking portion disposed with a circular axle axially and a smaller axle extending from the center of the front end of the shaft; a main frame having a connection portion which is formed axially to have a bush-like tube spring below for the insertion of the shaft, the tube spring being positioned to have a gap with the connection portion and one end of the wall of the tube spring being formed to have an notch; a cam member having a rotation part and fixed part between which is disposed with concurrent protruded and indented portions and which are installed inside the tube spring for the insertion of the axle, the rotation part being axially disposed with a protruded tenon, which is connected with the notch of the tube spring, and the fixed part being secured with the axle; and at least a resilient member insertingly connected with the axle and secured with the connection segment of the axle by an end enclosure, which presses and co

Abstract: A hinge for anchoring and folding on a small pintle which has a diameter between 3 and 7.9 mm to form a stepless swiveling and anchoring by increasing the friction resistant force to counter the torque. It includes a maneuvering structure which has a rotary member and an anchor member that form a rotational displacement on a contact surface therebetween that can be swiveled and anchored in a stepless manner and latched on a fixed location for closing. A braking structure is provided that has braking elements and washers to increase the friction resistant forces so that the small pintle has adequate friction resistant forces to anchor a display device after unfolding. The maneuvering structure has anchor elements and retaining troughs of different sizes that cannot be coupled with each other when the display device is unfolded and swiveled to 180 degrees to maintain the original friction resistant forces so that the display device may be anchored at any angle after unfolded.

Abstract: An abrasion-enhanced hinge has a pintle, a washer assembly and a stationary leaf. The pintle is connected securely to a cover of an electronic device. The washer assembly has multiple stationary washers and multiple rotating washers. The stationary and rotating washers are mounted interlacedly around the pintle. The stationary washers are connected securely to each other. The rotating washers are connected securely to the pintle. The stationary leaf is connected securely to a base of the electronic device and is connected securely to the nearest stationary washer. When the cover is pivoted to the base, the pintle is rotated relative to the stationary leaf. Thus, the rotating washers are rotated relative to the stationary washers. Because the stationary and rotating washers are mounted interlacedly, the rotations between the stationary and rotating washers provide a lot of abrasions. Therefore, the hinge provides enhanced abrasion.

Abstract: A hinge includes a first sleeve and a second sleeve pivotally engaged with the first sleeve. The first sleeve has an arcuate step formed on an outer surface thereof, a neck extending from an outer surface of the arcuate step, at least one indentation formed on the arcuate step and a first upright wall formed on an end of the indentation. The second sleeve has at least one projection formed on an inner surface thereof to correspond to and be selectively received in the at least one indentation of the first sleeve so as to provide a positioning effect to the second sleeve when the at least one projection is received in the at least one indentation and a second upright wall formed on an end of the projection of the second sleeve to correspond to the first upright wall such that the first upright wall abutting the second upright wall is able to prevent excessive pivotal movement of the second sleeve relative to the first sleeve.