Abstract: A hinge structure for assembly of a display module is located on a base. The hinge structure includes a first holder and a second holder. The first holder includes an assembly portion and at least one pin coupled with the assembly portion. The second holder includes a hinge portion hinged on the pin and a connecting portion fastened to a host of a notebook computer. The display module is located in a first holding groove and a second holding groove of the assembly portion, thereby the hinge structure and display module are fastened together to reduce thickness caused by front fastening to achieve the object of thin and light panel design. By direct coupling of the display module and the assembly portion the extra production process of fastening the hinge to the display module can be dispensed with to simplify production.

Abstract: There is provided a laptop personal computer comprising: a first chassis 11 accommodating a display section and having a basic shape of substantially rectangle in a planar view; a second chassis 31 accommodating an operation control section and having a basic shape of substantially rectangle in a planar view; and a hinge mechanism 20 for coupling one side 31r of the second chassis and one side 11r of the first chassis and supporting both chassis in a relatively openable and closable manner, wherein the first chassis is provided with a projection part 19 at an edge portion of an other side 11f opposing to the one side 11r, the projection part is formed along the other side and projects to the second chassis side in a state where the first chassis is closed together with the second chassis.

Abstract: A hinge apparatus for an electronic device includes a cam unit and a gear unit provided at a connecting position of an upper plate and a lower plate. The cam unit includes a first cam mechanism for causing a first cam shaft connected to an upper plate to generate a torque and a second cam mechanism for causing a second cam shaft connected to a lower plate to generate a torque. Further, the gear unit includes a first gear shaft connected to the upper plate and a second gear shaft connected to the lower plate, a first gear provided in the first gear shaft, a first gear provided in the second gear shaft, and a gear mechanism that synchronizes and rotates the first gear shaft and the second gear shaft.

Abstract: A rotary hinge assembly includes a hinge housing including at least one interior chamber. A spring disposed within the hinge housing provides a torque on an attached door while in an opened and closed position. A rotor rotatably disposed within the at least one interior chamber includes at least one rotor vane that moves in relation to a stationarily mounted stator having at least one stator vane. A fill plug includes a plurality of entrance and exit holes disposed in relation to the stator and rotor vanes to define a fluidic damper assembly. A valve disposed within the fill plug permits selective adjustment of the fluidic damper by restricting or opening the entrance and exit holes of the fill plug.

Abstract: Example embodiments disclosed herein relate to a hinge assembly. An example of the hinge assembly includes a pair of active hinges and a pair of passive hinges. The hinge assembly may be utilized in portable computing devices such as notebook computers and personal digital assistants (PDAs).

Abstract: A door hinge, in particular an edge hinge, which has door-mounted support and a support mounted on a door frame, both of which are designed such that they can be swiveled relative to each other around a common rotational axis. To suggest a new type of door hinge, in particular an edge hinge which allows a simplified handling, the invention suggests a door hinge, in particular en edge hinge, with a door support to be arranged on a door and a frame support to be arranged on a door frame, both of which are designed to be arranged around a common rotational axis such that they can be swiveled relative to each other, wherein the door support and the frame support are designed to be of equal construction and equally usable for left and right doors.

Abstract: A hinge assembly (4) for the connection of two panels (10, 12) at their adjacent edge regions (8d) to allow said panels to rotate up to 360 degrees relative to one another, the hinge assembly comprising an elongate member (20) providing two opposing curved surfaces adjacent the edge of each panel, said member co-operating with at least one pair of intermeshed gears (24), the assembly including connector means (34) for attaching each panel to said member and a bubble seal (22) disposed between the edge of each panel and each curved surface of the member.

Abstract: A geared full surface mounted continuous hinge with a hole in a thrust bearing supporting the hinge, said hole adapted to accommodate a flexible tube containing electrical wiring and thereby facilitate the passage of electric current from a frame to appliances in a door connected to the frame using the hinge.

Abstract: A four bar hinge for mounting a door on an enclosure, the hinge including a first mounting bracket adapted to secure the hinge to the enclosure, a second mounting bracket adapted to secure the hinge to the door, a first link rotationally connected to the first mounting bracket at a first location and rotationally connected to the second mounting bracket at a second location, a second link rotationally connected to the first mounting bracket at a third location and rotationally connected to the second mounting bracket at a fourth location, a first shield fixedly connected at the second and the fourth locations and a second shield slidably connected to the first link and rotationally connected at the third location, wherein throughout an entire range of motion of the first mounting bracket relative to the second mounting bracket at least a portion of one of the first or second shields overlaps at least a portion of the other of the first and second shields whereby access to a volume formed between the first and

Abstract: A hinge for doors, windows, or the like, comprising, a first hinge element and a second hinge element, which have, respectively, a first cylindrical articulation portion and a second cylindrical articulation portion, wherein the first articulation portion has an external diameter smaller than the external diameter of the second articulation portion; a hingepin, which defines a hinge axis; an adjustment device, which is associated to one of said articulation portions and can be actuated for displacing said hinge elements with respect to one another in a direction substantially transverse to said hinge axis; and a covering sleeve, provided externally to the first articulation portion and having an external diameter equal to the external diameter of said second articulation portion, wherein the covering sleeve is mounted so that it can turn with respect to the first articulation portion about an axis that is eccentric with respect to said hinge axis and can be displaced with respect to the first articulation por

Abstract: A locking mechanism includes a housing, a hinge, a fastening member, and an actuating member. The housing defines a receiving space therein and is formed with a through hole. The hinge includes a connecting support disposed in the receiving space and a rotary member operable to pivot relative to the connecting support, and having an engaging segment. The fastening member is disposed in the receiving space, is registered with the through hole, and is formed with an engaging slot for engaging the engaging segment. The actuating member removably extends into the through hole and is operable to actuate the fastening member to move between locked and unlocked positions, where the engaging segment and the engaging slot are engageable and non-engageable, respectively.

Abstract: Disclosed are a hinge unit which couples a first member and a second member, the hinge unit including: a conic shaft which is coupled to the first member, and comprises a hinge pivot, a conic unit of a truncated cone shape, the radius of which is extended in an end area of the hinge pivot, and a first rocking unit formed to an outer surface of the conic unit; and a conic sleeve which is coupled to the second member, and comprises a sleeve main body formed with a conic accommodating unit having a shape corresponding to the conic unit in an inner part of the conic accommodating unit, and a second rocking unit formed to an inner surface of the conic accommodating unit to be coupled with the first rocking unit.

Abstract: A security lock that retrains movement of a hinge is described. A locking system that includes a hinge that includes a first connector, a second connector and a pivot pin, the first connector pivotable relative to the second connector around the pivot pin, and a lock configured to be positioned over the pivot pin to restrain movement of the first connector is described.

Abstract: A hinge device features improved ease of installation/removal of covers thereof to/from mounting bases thereof. The hinge device, which has mounting bases and knuckles, is connected such that it swings on a hinge pin inserted in the knuckles. The covers conceal mounting screws of the mounting bases. Each of the mounting bases has recesses formed in a side surface on a non-supporting side, grooves which are formed in a side surface adjacent to both ends in the axial direction of the hinge pin and which extend to a side surface, and an engaged portion concavely formed in each of the groove. The inner side of the cover has engaging portions which are inserted in the groove and which detachably engages with the engaged portion when the cover is installed, and also has protruding streaks which enter into and engage with the recesses.

Abstract: A refrigerator, which prevents a filler unit from being worn away or broken. The refrigerator includes a main body, storage chambers divisionally provided in the main body, a pair of doors opening and closing one of the storage chambers, a filler unit rotatably connected to at least one of the pair of doors to seal a separation space between the doors, a guide member provided on the main body to guide rotation of the filler unit, and a protection unit mounted on the filler unit to rotate the filler unit according to insertion and separation of the protection unit into and from the guide member and to prevent the breakage of the filler unit due to collision with the guide member.

Abstract: The present invention relates to a door supporting device for a refrigerator. The door supporting device of the present invention can adjust the height of the door. A hinge bracket of the door supporting device of the present invention includes a fixing portion fixed to a front face of the refrigerator, and a supporting portion extending forward from an upper end of the fixing portion and having a threaded hole with threads formed on an inner periphery thereof. A hinge shaft of the door supporting device has threads on an outer periphery thereof and is threadly engaged with the threaded hole so that the hinge shaft can be supported by the hinge bracket. An upper end of the hinge shaft rotatably supports the door. The height of the door can be adjusted by rotating the hinge shaft. A nut is threadly engaged with the hinge shaft below the hinge bracket. The nut prevents the hinge shaft from being rotated so that the door can be constantly maintained at a predetermined height.

Abstract: This utility model is an embodiment of indoor safety door hinge design, which is composed of a fixed part, a connection part, and an axle rod, which makes fixed parts connect with connector; said connector is composed of splice and second sleeve; which is characterized in that the lower pat of axle rod (3) is inserted into first sleeve (12) and shaved into parallel planes narrow stick (31); the side of first sleeve (12) can form a rectangular notch (13) after narrow stick of axle rod is pulled. Thus, the safety door hinge can be pulled to open without breaking the body of door, and indoor people, and recover it.

Abstract: An exemplary hinge assembly includes a sleeve, a first member, a second member, and a resilient member. The sleeve includes a first end defining an opening. The first member is received in the sleeve. The second member is located next to the first member. One of the first member and the second member have a cam, the other of the first member and second member have a cam follower interacting with the cam so that the first member rotates about an axis and the second member moves linearly along the axis when the cam follower follows the cam. The resilient member is fitted in the sleeve and provides an elastic force to bias the first member and the second member into contact with each other. The first end is deformed to form a narrowed portion to reduce the opening. The narrowed portion retains the first member, the second member, and the resilient member in the sleeve and prevents the first member, the second member, and the resilient member from escaping the sleeve through the opening.

Abstract: A self-closing invisible hinge for returning a door to its closed position from its opened position including a self-closing structure in which the closing force can be selectively adjusted externally at the hinge and in which the self-closing structure is compact. The self-closing invisible hinge further having an embedded wiring system for providing electrical communication between an area on or in the door and an area adjacent a mounting structure supporting the door, such as a building electrical and/or communication system.

Abstract: A snap hinge device for a folding-type portable terminal is provided with a gap between an outer face of a hinge shaft and an inner face of a second cam so that the outer face of the hinge shaft and the inner face of the second cam are compelled to strike into each other an generate and aural snap by an urging of an elastic member at the time of opening/closing the folder of the portable terminal. As a result of the aural snap, users experience a feeling of use at the time of opening/closing the folder, and a sense of comfort therefrom.

Abstract: A hinge assembly incorporates an anti-tamper member that is selectively positionable to protect fasteners holding the hinge assembly to a mounting surface such as an access door. The hinge assembly may be incorporated into a bar lock assembly to provide additional tamper resistance for a shipping container, for example, to limit or prevent unauthorized access to the container.

Abstract: A multi-piece hinge pivotably connects a top member and a bottom member. The hinge includes an upper hinge member securable to the top member, a lower hinge member securable to the bottom member and fixable in a frame, a hinge cover secured between the upper hinge member and the lower hinge member, and a spring element acting between the upper hinge member and the lower hinge member. The upper hinge member is pivotable relative to the lower hinge member across a pivot range between a closed position and an open position. The pivot range is limited by a stop assembly. In the closed position, the spring element is positioned to bias the upper hinge member toward the closed position, and in the open position, the spring member is displaced over center to bias the upper hinge member toward the open position.

Abstract: A toggle type hinge (10) has a damper assembly mounted on the flange (12) of its hinge cup. The damper assembly provides a damping resistance to the closing movement of the hinge over its final stage. The damper assembly comprises a sleeve (21) which houses a linear damper. The sleeve (21) is mounted on a groove (26) on the hinge cup flange (12) and is held in position by a holder (15). A wing (22) on the sleeve (21) is arranged to come into engagement with an arm (11) of the hinge, causing the sleeve to rotate about its longitudinal axis (25). A cam arrangement (19, 23) between the hinge cup flange (12) and sleeve (21) causes the sleeve to move along its axis (25) as it rotates. The axial movement of the sleeve (21) causes compression of the damper.

Abstract: An exemplary hinge assembly includes a sleeve, a first member, a second member, and a resilient member. The sleeve includes an end wall, a circumferential wall and an open end. A shaft portion is formed on the end wall. The shaft portion extends in the space defined by the circumferential wall and opposite to the open end. The first member is rotatable about the shaft portion. The second member is located next to the first member and rotatable about the shaft portion. The resilient member is placed around the shaft portion and provides an elastic force biasing the first member and the second member into contact with each other. The shaft portion is configured to prevent the first member, the second member and the resilient member from separating from the shaft portion.

Abstract: A built-in domestic appliance which comprises hinges for hinging a door to the furniture body of the built-in domestic appliance. The door is used to close an opening of the first furniture body. The hinges are adapted to perform a defined opening and closing movement of the door, a gap forming during this movement between the edge of the door and especially the front of a second furniture body adjoining the furniture body. In order to obviate the risk of injury caused for example by limbs being caught in the gap and any claims for damages resulting therefrom, a plate element in the area of the door and in a transitional area between the furniture body of the built-in domestic appliance and the second furniture body is mounted in such a manner that it covers the gap if possible across its entire length.

Abstract: This hinge assembly comprises a lid with a covering web and a hinge adapted for enabling an angular movement of the lid between an open position and a closed position, the hinge including a first cam and a first counter-cam, the first cam and the first counter-cam cooperating over a first angular range. The hinge comprises an additional cam and an additional counter-cam cooperating over an additional angular range. The first angular range and the additional angular range overlap over an angular overlap range that amounts to at least 60° and over the entire range of which both the first cam and counter-cam and the additional cam and counter-cam cooperate simultaneously. The device can be used for road manholes.

Abstract: This disclosure provides a supporting structure module and an electronic device using the same. The supporting structure module in the invention is used in the electronic device. The electronic device includes a first casing, a hinge, and a second casing rotatable relative to the first casing via the hinge. The supporting structure module includes a first supporting structure, and the first supporting structure includes a first bracket and a first hinge cover. The first bracket is fixed to and exposed from the first casing. The first hinge cover is connected with the first bracket by integral forming, and the first hinge cover is exposed from the first casing and covers a part of the hinge.

Abstract: A biaxial hinge mechanism includes: an opening/closing support section projected toward an outer side of a casing; an opening/closing shaft supported on the opening/closing support section; an outer cover provided to be fixed to the casing so as to hide the opening/closing support section and the opening/closing shaft; a hinge base supported on the opening/closing shaft so as to be rotatable relative to the casing, with the opening/closing shaft as a center axis of rotation; a rotation-restricting section operable to restrict a rotation angle of the hinge base to within a predetermined range; a rotating shaft supported on the hinge base and provided in a direction orthogonal to the opening/closing shaft; and a rotating support section supported on the rotating shaft so as to be rotatable relative to the hinge base, with the rotating shaft as a center axis of rotation.

Abstract: A hinge mechanism includes a first rotation assembly, a second rotation assembly substantially parallel to the first rotation assembly, a first connection member, and a second connection member. The first and second rotation assemblies include a first and second pivoting shafts and a first and second brackets sleeved on the first and second pivoting shafts, respectively, and both the first and second brackets includes an engaging portion eccentrically formed on one end respectively thereof. The first connection member includes two pivotal portions. The pivotal portions are rotatably connected to the engaging portions of the first bracket and the second bracket, respectively. The second connection member is sleeved on the first pivoting shaft and the second pivoting shaft.

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: A hinge part is provided for the hinge of a flap, engine bonnet or boot lid of a motor vehicle. Provision is made that the hinge part has at least one section embodied in a hybrid construction, which is constructed as an open profile and the opening of which is closed at least partially by at least one cover part. A hinge is also provided for a flap, engine bonnet or boot lid of a motor vehicle.

Abstract: A hinge assembly includes a shaft, a follower, a cam, a resilient member and a sleeve. The follower includes a cam surface. The follower is placed around the shaft. The cam has a latching cam surface, the cam surface being engaged with the cam latching surface, the cam 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. The sleeve includes a plurality of side portions. Each side portion includes a flattened portion and an arcuate portion arching outside between the flattened portion. The arcuate portion defines an outline of a circle having a larger cross-section than would be allowed only by the flattened portions, and the resilient member is received in the arcuate portions.

Abstract: A hinge assembly includes a hinge and a detent cover. The hinge pivotally connects a first acting member to a second acting member. The detent cover can cover the hinge to stop the rotational motion between the first acting member and the second acting member.

Abstract: There is disclosed a hinge (10) which includes a mounting flange assembly (12) pivotally coupled to a strap assembly (15). The mounting flange assembly includes a mounting flange (16) having four mounting holes (17) therethrough, a lower hinge barrel (18) extending from the mounting flange, and an upper hinge barrel (19) extending from the mounting flange. The strap assembly includes a strap (31) extending from a cylinder portion (32). The hinge also includes a main cover (57) covering the strap assembly, an upper flange cover (28) covering the upper hinge barrel, and a lower flange cover (29) covering the lower hinge barrel.

Abstract: A contact electric grill for the cooking of food products is provided having a base shoulder (2) and a lid shoulder (3) joined to each other by a hinging structure including a rotation pin (4), a slot (5) into which the rotation pin (4) is slid, and a support and passage element (6) from the lid shoulder to the base shoulder of electric connection cables (7) among electric components present in the base and in the lid, operationally connected to the base shoulder and the lid shoulder.

Abstract: A hinge structure for a vehicle open/close body, in which a long hinge member supporting the open/close body is rotatably disposed in an opening portion of a vehicle body and the hinge member rotates according to an opening and closing motion of the open/close body, wherein a cover member for covering the hinge member is disposed in the hinge member; and wherein a shape of an outer periphery surface of the cover member facing a corner portion of the opening portion is formed in a shape following a shape of the corner portion.

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: The present invention relates to a hinge structure of a skateboard, and more specifically, to a hinge structure of a skateboard wherein an intermediate part of the skateboard divided into two parts that are a front board and a rear board is connected by a hinge unit. Accordingly, the skateboard is twisted and the skateboard's alignment is elastically returned by a cam and spring of the hinge unit, thereby increasing propelling force and durability. Also, since assembly and disassembly of the hinge unit is easy when the skateboard is broken, convenient maintenance and repair are enabled.

Abstract: A folding apparatus (1) having transmitter and receiver cases (2, 10), a hinge mechanism (20) for pivotally connecting one end of the transmitter case and that of the receiver case to each other, and a hinge cover (C). The hinge mechanism is connected to corners (15a-16b) of the one end of the transmitter case and of that of the receiver case. The corners (15a-16b) are projected in the direction orthogonal to the one end of each of the transmitter and receiver cases, and the hinge mechanism is installed between the projected corners of the cases. The hinge cover has a pair of box-shaped cover members (7, 8), and a cross-section of each cover member taken in the direction orthogonal to the one end has an ellipse shape. The cover members are arranged so as to face to each other, covering and holding the hinge mechanism located between the projected corners of the transmitter and receiver cases.

Abstract: A head arm pivot shaft support mechanism 180 has a cord covering unit 200 including a first part 210, a second part 220, and a third part 230. The first part 210 and the second part 220 are located on a side of one head-side engagement leg 186 of bifurcated head-side engagement legs 186 and 187 and are arranged to be rotatable about a pivot shaft member 193. The first part 210 and the second part 220 respectively have an arc-shaped peripheral wall 212 and an arc-shaped peripheral wall 222 protruded toward the third part 230 to fill a space on a bifurcation base side between the bifurcated head-side engagement legs 186 and 187. The third part 230 is located on a side of the other head-side engagement leg 187 and is arranged to be rotatable about the pivot shaft member 193.

Abstract: A hinge mechanism for a display device is arranged such that a cylindrical holder 14 which encloses the outer peripheral portion of a shaft 13 projecting laterally from a display 3 has a protrusion 19 provided on the internal surface thereof, and also the shaft 13 has provided on the outer peripheral surface thereof a plurality of flat faces 20, 21, and 22 for engaging with the protrusion 19.

Abstract: A hinge is mounted in an electronic device with a cover and a base. The hinge has a first pivoting assembly, a second pivoting assembly and a resilient unit. The first pivoting assembly has a resilient plug. The resilient plug is mounted between the second pivoting assembly and the resilient unit to provide friction and to keep the second pivoting assembly from departing from the first pivoting assembly. The friction is adjusted by changing the resilience of the resilient plug or the resilient unit, or by changing the thickness of the resilient plug. Therefore, preciseness of the size of other component is less required to reduce the manufacturing cost.

Abstract: The invention relates to a device having a component (1), in particular a door, and having a mounting unit (3), in particular a door frame. The invention is based on the object of providing a device that by the use thereof, the mounting of the component on the mounting unit is simplified, and which has a construction such that a good aesthetic impression can be achieved. For this purpose, the device has at least one component (1), at least one mounting unit (3), on which the component (1) can be mounted, and at least one fastening unit (4, 17), which is disposed on the component (1), wherein said fastening unit (17) has at least one first joint element (18) and at least one second joint element (19), wherein said fastening unit (17) is disposed articulated on the component (1) using said first joint element (18), and wherein said fastening unit (17) can be mounted articulated on said mounting unit (3) using said second joint element (19).

Abstract: An electrical device is provided in this invention, includes a main part having a pivot-receiving opening, an operation part having a pivot engaged pivotally to the pivot-receiving opening, and a flexible circular ring encircling the pivot, and being disposed and pressed between the pivot and the pivot-receiving opening.

Abstract: A four bar hinge for mounting a door on an enclosure, the hinge including a first mounting bracket adapted to secure the hinge to the enclosure, a second mounting bracket adapted to secure the hinge to the door, a first link rotationally connected to the first mounting bracket at a first location and rotationally connected to the second mounting bracket at a second location, a second link rotationally connected to the first mounting bracket at a third location and rotationally connected to the second mounting bracket at a fourth location, a first shield fixedly connected at the second and the fourth locations and a second shield slidably connected to the first link and rotationally connected at the third location, wherein throughout an entire range of motion of the first mounting bracket relative to the second mounting bracket at least a portion of one of the first or second shields overlaps at least a portion of the other of the first and second shields whereby access to a volume formed between the first and

Abstract: An example furniture hinge includes a saddle supporting the damping cylinder that engages a first mounting edge of the supporting arm from behind. A locking element supported movably on the saddle has a laterally protruding mounting lug, which in a locking position engages a second mounting edge of the supporting arm from behind. The second mounting edge is oriented counter to the first mounting edge.

Abstract: A hinge structure to be used in portable electronic devices, such as mobile stations, making it possible to rotate a first body part (10) and a second body part (20) of the device in relation to an axis of rotation (X-X) of the hinge structure, the hinge structure having a hinge element (31) with a first hinge half and a second hinge half which are movable in relation to each other by a pivot (X) placed on the axis of rotation (X-X), and which hinge element is arranged to be connected by the first hinge half to the first body part (10) and by the second hinge half to the second body part (20). The hinge structure comprises a shield structure (32) for shielding the back of the device, the shield structure being connected to the hinge element (31), and the shield structure (32) being arranged to be movable in the direction perpendicular to the axis of rotation (X-X).

Abstract: The present invention relates to a door supporting device for a refrigerator. According to the present invention, a door supporting device for a refrigerator including a main body formed with a predetermined storage space therein and a door for selectively opening or closing the storage space comprises a hinge plate extending from one side of a front surface of the main body and having a downwardly extending hinge pin, and an installing recess formed by inwardly depressing a portion of an upper surface of the door by a predetermined depth and formed with a hinge hole therein, wherein the hinge plate is securely seated in the installing recess when the hinge pin is inserted into the hinge hole. Accordingly, a front external appearance of the refrigerator can be further simplified and the door supporting device can be prevented from being damaged.

Abstract: A hinge structure of a foldable electronic device includes a body section and a cover section. The hinge structure includes a hinge sleeve longitudinally defining a slot. An outer surface of the hinge sleeve forms a coarse surface. The hinge sleeve rotatably connects the cover section to the body section. The coarse surface allows the cover section to maintain any of a variety of selectable positions relative to the body section.

Abstract: A hinge device prevents breakage of a structuring part from an increase in an internal pressure during overload. In the hinge device, first and second members are rotatable relative to each other. A case is fixed to either the first or second member, and a shaft body capable of rotating relative to the case is fixed to the other. A first chamber and a second chamber formed between the case and the shaft body are filled with viscous fluid. An orifice between the first and second chambers narrows a flow path for the viscous fluid moving from the first to second chamber, resisting rotation of the shaft body. A space region is provided in the shaft body, with a valve body movably placed therein. When pressure of the first chamber reaches a predetermined level, the valve body moves in the space region to increase the volume of the first chamber.