Abstract: Disclosed is a washing machine having a cabinet forming an outer appearance and having an inlet port formed at the front, a tub provided inside the cabinet for storing wash water, a drum provided inside the tub to be rotatable, and a door installed in the cabinet for opening and closing the inlet port. The door is provided with an auxiliary door which can be freely opened and closed during the washing process independently of the door, so that laundry can be added even during the washing process.

Abstract: A collapsible flap deployment system for an aircraft wing that includes a support beam pivotably connected to a carrier beam, which is connected to a wing flap. A rear spar fitting is connected to a wing rear spar by a first plurality of fasteners and a second plurality of fasteners connects the support beam to the rear spar fitting. A fuse pin connects a link to the rear spar fitting. The fuse pin is configured to shear upon the application of a first predetermined force. An impact load to the bottom of the support beam puts the link into compression applying a force to the fuse pin until the fuse pin shears releasing the link from the rear spar fitting. The impact load rotates the support beam and carrier beam causing the second plurality of fasteners to fail releasing the support beam and carrier beam from the wing rear spar.

Abstract: An integrated hinge for a cabinet is described. The integrated hinge includes a central portion having a first outer edge and a second outer edge. The integrated hinge includes a first lateral portion having a first inner edge. The integrated hinge includes a second lateral portion having a second inner edge. A hinge pin rotatably connects the central portion, the first lateral portion, and the second lateral portion. The first outer edge and the first inner edge are angled toward the hinge pin at a positive angle relative to the hinge pin, and the second outer edge angled and the second inner edge are angled toward the hinge pin at a negative angle relative to the hinge pin.

Abstract: A hitch plate assembly for a truck. The hitch plate includes a lower frame spanning beneath a pair of frame rails of the truck. The lower frame is fabricated from a front plate and end plates at oppositely disposed ends of the front plate. The end plates extend upwardly for attachment directly to the frame rails. An upper frame is mounted over the lower frame and between the frame rails. The upper frame is comprised of a front plate, two side plates, an upper plate and two pairs of spaced apart pivot plates with through holes therein secured to the upper plate, wherein a dump body hinge is received into the space between each pair of pivot plates and each hinge is secured in position by a pin, the dump body being rotatable about each pin.

Abstract: Disclosed is a fixing for securing an article to a surface. The fixing comprising a coupling arrangement for coupling the fixing to an article such as cabling. Elongate members extend from the coupling arrangement and are moved together to insert the fixing into a cavity, and spring apart to retain the fixing in the cavity. The elongate members have resiliently deformable inner formations positioned which are spaced apart from the ends of the elongate members. The inner formations engage with one another and resiliently deform when the elongate members are brought together. The inner formations apply additional forces urging the elongate members apart, thereby increasing the pull resistance of the fixing. Also disclosed is a fixing in which the elongate members have conformable outer portions, to conform to the inner surface of a cavity and increase pull resistance; and a method of securing an article to a surface.

Abstract: A hood hinge includes a hinge stay and a hinge arm. The hinge stay includes a horizontal plate portion that is fixed to a vehicle body and a vertical plate portion that supports a second end of the hinge arm. The vertical plate portion is erected and extends in a vehicle height direction from a first end of the horizontal plate portion in a vehicle width direction. The hinge arm of the hood hinge is provided with an arm reinforcing bead and the vertical plate portion of the hinge stay is provided with a stay reinforcing bead that extends in the vehicle height direction. The stay reinforcing bead is not provided on a ridge of a connection portion between the vertical plate portion and the horizontal plate portion.

Abstract: A connector that includes an outer housing having an assembly channel with a stopping step on an inner wall of thereof and an optical beam expanding module assembled with the assembly channel of the outer housing. The optical beam expanding module includes a rear seat, formed with a snap ring groove, in which a C-shaped snap ring is fitted. A cable having a strengthening element is fixed on a rear end portion of the rear seat. When the cable of the optical beam expanding module is pulled outwardly, the C-shaped snap ring abuts against the stopping step, so that a pulling force exerted on the cable is transferred to the outer housing through the strengthening element of the cable, instead of being transferred to an optical fiber of the cable, thus preventing the optoelectronic coupling end faces of the connector from being separated.

Abstract: A kit for use in rehanging a sagging door connected to a door jamb included a plurality of replacement hinges having different sized gaps between the leaves of the hinges when pivoted to extend in parallel, juxtaposed alignment, including gaps that are larger and smaller than the gaps of the conventional hinges originally used to hang the door. The smaller gap replacement hinge may have no gap between the hinge leaves when pivoted to parallel and juxtaposed alignment. The kit may include multiple reduced gap hinges with varying sized gaps and multiple enlarged gap hinges with varying sized gaps. To rehang the sagging door, the original, top hinge is replaced with a reduced gap hinge and the original, bottom hinge may be replaced with an enlarged gap hinge.

Abstract: A door hinge for an automobile includes a first bracket fixed to a body, a second bracket fixed to a door, and a hinge pin, the first bracket including a base plate portion having a bolt hole, a pair of arm plate portions standing up from upper and lower edges of one end part, on the door side, of the base plate portion and supporting the hinge pin, and a pair of rib portions extending from the arm plate portion and standing up from the upper and lower edges of the base plate portion so as to oppose each other with the bolt hole interposed therebetween, wherein opposite end parts, perpendicular to the extending direction of the rib portion, of the base plate portion are open, and the rib portion is formed so as to have a thickness larger than a thickness of the arm plate portion.

Abstract: A hinge for transport cases, trunks, suitcases and the like, comprising two elements which are mutually articulated about a common axis and are both able to rotate with respect to the common axis. Each element is delimited by two parallel walls and has a total width that is equal to the width of the channel delimited between the stiffening ribs of the transport case, suitcase or trunk on which it will be installed. Each element is associable with the stiffening ribs of the respective transport case, once it is inserted between the ribs, without requiring any mechanical machining of the surfaces of the case.

Abstract: A hinge structure includes a hinge, a first bracket, a second bracket and a third bracket. The first bracket and the second bracket are pivoted with each other through the hinge, wherein the second bracket has a first connecting portion. The third bracket has a second connecting portion, wherein the second connecting portion is rotatably connected to the first connecting portion. When the third bracket receives a force and wobbles, the second connecting portion rotates relatively to the first connecting portion, and a kinetic energy of the third bracket is consumed by a kinetic friction between the first connecting portion and the second connecting portion. In addition, an electronic device having the hinge structure is also provided.

Abstract: A sandwich mechanism is disclosed that has to opposing members that form a pocket into which material such as downspout sheet metal can be inserted. The opposing members clamp onto the downspout and can be secured into place using a screw that passes through the opposing members and the inserted downspout. Two sandwich mechanisms may be coupled together using a brace or a hinged member. The hinged member will permit a user to independently articulate the coupled pieces of downspout or downspout extension.

Abstract: A downspout hinge system where a plurality of downspout hinges are used as a one-size-fits-all solution for downspouts of a variety of sizes. The system of hinges utilize a first downspout hinge and a second downspout hinge coupling a downspout to a downspout extension. The downspout hinges are coupled to opposing surfaces of the downspout, including opposing sides of the same horizontal surface. Alternatively the downspout hinge may be coupled to opposing lateral sides of a downspout. Alternatively a downspout hinge may couple to more than one surface of the downspout.

Abstract: An electronic device includes a first object and a hinge structure. The first object includes a rear plate, and a plurality of positioning posts is located on the rear plate. The hinge structure includes a first connecting member secured to the first object. The first connecting member includes an installation board, and a plurality of installation holes is defined in the installation board, corresponding to the plurality of positioning posts. Each of the plurality of positioning posts is received in each of the plurality of installation holes, so that the installation board directly abuts the rear plate to decrease the thickness of the first object.

Abstract: Disclosed is a long arm quick release hinge comprised of a hinge cup pivotally connected to a hinge body with a hinge pin via a hinge arm and a link in a four-bar linkage arrangement. The link is a collection of plates with interlocking projections and indentions arranged adjacent to each other and separated by resilient shock absorbing spacers. The hinge body is adjustably connected to a connecting plate with an overlay screw and an adjustment screw.

Abstract: A kit for repairing a damaged hinge portion of a door. A U-shaped bracket is mounted to the door. A mounting plate is attached to the bracket. A hinge is mounted to the mounting plate and is flush with the bracket.

Abstract: A kit for repairing a damaged hinge portion of a door. A U-shaped bracket is mounted to the door. A mounting plate is attached to the bracket. A hinge is mounted to the mounting plate and is flush with the bracket.

Abstract: A method for manufacturing a high-strength motor vehicle door hinge from a steel plate blank includes a cold heading step of forming a cylindrical bulging portion at one end of the blank in the width direction, a shaft hole forming step of forming a shaft hole in the cylindrical bulging portion, and a shaft hole finishing step. In the shaft hole forming step, a shaft hole is formed using a first punch having a top end with a shape of a cone and a first die having an inner wall with a gap volume relative to the outer circumferential surface of the cylindrical bulging portion of the blank.

Abstract: A fastening assembly for a built-in refrigerator on a side wall of a furniture body includes a hinge with a hinge arm fixable on the refrigerator side, a screw-on flange with through holes for fastening screws, two fastening screws that pass through the through holes of the screw-on flange and that are screwed into a side wall of the furniture body and a wall thickness compensating plate. The wall thickness compensating plate is insertable if needed between the screw-on flange and the side wall. The fastening screws are preinstalled in a cover cap manufactured from plastic and pluggable onto the screw-on flange.

Abstract: A hinge is disclosed that can allow a downspout extension to rotate from a horizontal position to a vertical position to allow people to easily access these areas about the downspout extension. In some instances, the hinge includes a first plate positioned on the inner wall surface of a downspout and a second plate positioned on an opposing outer wall surface of the downspout. The first and the second plates can be substantially parallel.

Abstract: A hinge device with an adhesive for attachment. The present invention may include a hinge with a first leaf and a second leaf rotatably attached together. The first leaf and the second leaf may each include an adhesive. The adhesive may be used to connect the hinge to a first component and a second component and thereby hinge together the first component and second component.

Abstract: A quick assembly hinge for joining first and second panels. The hinge comprises a first wing portion securable to the first panel, a second wing portion securable to the second panel, a pin mounted to the first wing portion and a hook mounted to the second wing portion. The pin is generally parallel to the first panel when the first wing portion is secured thereto. When the second wing portion is secured to the second panel, the opening of the hook bowl is directed downwardly toward the bottom surface of the second panel. With the panels generally co-planar and their respective edges adjacent to one another the hook is receivable over at least a portion of the pin. As the first panel is rotated upwardly to form a generally a right angle with the second panel the pin is rotatable within the hook bowl preventing the lateral and vertical displacement of the panels.

Abstract: A door hinge assembly includes a vertical post secured to a bottom rail. An upper post hinge portion and a lower post hinge portion are secured to the post. Each post hinge portion includes: (i) a post mounting plate; and (ii) a bearing portion projecting outwardly from the post mounting plate. The bearing portion includes a base with a vertical base bore. The assembly also includes an upper door hinge portion and a lower door hinge portion. Each door hinge portion includes: (i) a block securable to a door frame; (ii) a barrel portion projecting outwardly from the block, the barrel portion having a vertical barrel bore; and (iii) an upper pivot pin and a lower pivot pin, where a first end of each pin is secured in the base bore and a second end pivots in the barrel bore. The upper pivot pin connects the upper post hinge portion to the upper door hinge portion, and the lower pivot pin connects the lower post hinge portion to the lower door hinge portion.

Abstract: An offset hinge is configured to arrange a side plate and a bottom plate. The offset hinge has a first portion swingably coupled to a second portion with a pin and knuckle connector. Both portions have a parallel section immediately adjacent to a perpendicular section such that the parallel sections can be mechanically coupled to the plate plates while the perpendicular sections and the pin and knuckle connector further support the plates in place. The first perpendicular section has a non-collinear arrangement with the second perpendicular section such that the first perpendicular section and the second perpendicular section are both offset from a center of the pin in the pin and knuckle connector.

Abstract: A rotary shaft wire passage structure includes a pivot pin and a pivot seat respectively fixedly connected with a pivotal rotary member and a relative pivotal rotary member. The pivot pin has a pivoted section and an annular raised section disposed at one end thereof. The pivoted section is formed with an axial through hole in full communication with outer side via a split. The pivot seat has a shaft hole in which the pivoted section is fitted. One side of the shaft hole is formed with a fissure in communication with the outer side. The fissure is adjustable to a position where the fissure is aligned with the split for placing a wire into the through hole. When the relative pivotal rotary member is pivotally rotated to a working position by a certain angle, the fissure is misaligned from the split to prevent the wire from slipping out.

Abstract: A manway cover-manway flange separating kit and method for use with a manway cover handling device includes at least one extended length cover supporting rod having end stops at each end of the cover supporting rod wherein at least one of the end stops is removable and wherein the cover supporting rod is adapted for positioning within one of a plurality of manway cover bolt openings exposed by the removal of a plurality of manway cover bolts and for maintaining alignment of the manway cover and the manway flange when the manway cover is a predefined distance away from the manway flange, and a flange separator including a separator component having a threaded rod and a pair of elongated flange plates, the pair of elongated flange plates rotatably connectable on a first flange plate end to the threaded rod wherein at least one of the pair of elongated flange plates has a threaded opening at the first flange plate end transverse to the flange plate that receives the threaded rod to provide translational movement

Abstract: A hinge assembly for pivotably attaching a door to a home appliance includes a hinge bracket having a body; a hooking member that releasably engages a receiving feature of the home appliance; and a securing member fixed to the body. A fastener secures the securing member to the appliance in an operating position of the door and such that removal of the fastener releases the securing member from the home appliance so that the hooking member can be disengaged from the receiving feature to allow removal of the door from the home appliance, and the engagement of the hooking member with the receiving feature supports the weight of the door when the fastener is removed such that the receiving feature of the appliance supports the weight of the door to maintain a temporary vertical position of the door.

Abstract: A hinge (100) including a first flange (102) having a first sleeve segment and a portioned sleeve segment is disclosed. The hinge also includes a second flange (104) having a second sleeve segment. The second flange is configured to mate with the first flange such that the first sleeve segment, the second sleeve segment, and the portioned sleeve segment are substantially aligned. A pin (106) is configured to be removably inserted into the first sleeve segment and the second sleeve segment. Also disclosed are a method for assembling a hinge and a container assembly including a hinge.

Abstract: A method is provided for molding an integral joint including a stationary member and an enclosure rotatable about the stationary member. The method utilizes a joint formation assembly defining an inner cavity, a first passageway connected to the inner cavity, an outer cavity surrounding the inner cavity, and a second passageway connected to the outer cavity. The method includes the steps of: introducing moldable material into the inner cavity from the first passageway to form the stationary member; introducing moldable material into the outer cavity from the second passageway to form the enclosure; and divorcing the inner cavity from the outer cavity for separately and independently forming the enclosure around the stationary member to allow rotatable movement of the enclosure about the stationary member.

Abstract: A hinge profile (2) fixable in a supporting profile (1) intended to be used for a sheet unit e.g. in the form of a door, said supporting profile (1) is in the first place intended to be fastened to a wall.

Abstract: A hood hinge apparatus for a vehicle, in which a cowl-side body connected with an A-pillar has an inclined structure or an angular structure having a larger inclination than a right angle to reduce a step between the A-pillar and the cowl-side body, and engagement bolts are engaged with a horizontal inclined surface and a vertical inclined surface in different directions for coupling between the cowl-side body and the fixed hinge bracket to prevent injury of a passenger due to excessive dipping caused by generation of body bending during a front offset collision, thereby actively responding to safety regulations in case of a collision.

Abstract: A hinge for use with an insulated door of a walk-in freezer, refrigerator or cooler including a hinge base adapted to be attached to the frame of said freezer, refrigerator or cooler, a hinge blade pivotally coupled to the hinge base and a wall that extends across the hinge base which has a U shaped clearance opening. Fastening screws located in clearance openings in the hinge blade and threadedly coupled to a door mounting plate adapted to be securely attached to the insulated door for slidably or securely coupling the hinge blade to the door mounting plate, and a micro adjust screw having a threaded shaft located in the U shaped clearance opening and threadedly coupled to the door mounting plate, wherein turning the micro adjust screw slides the door mounting plate horizontally along the hinge blade to provide door lift or rotation to compensate for frame or mounting misalignment.

Abstract: A closure includes a panel closing against a frame. A set of abutment surfaces for supporting the panel against applied forces is completed by a displaceable abutment block which selectively assumes an engaged state disposed between an abutment surface of the panel and an abutment surface of a strike jamb. The geometry of engagement is such that forces acting on the abutment block opposing opening of the panel are primarily compressive forces. Certain implementations additionally, or alternatively, employ abutment blocks for locking along the lintel or the threshold of the opening.

Abstract: A door assembly comprises a door frame having a hinge side doorjamb, at least two longitudinally spaced hinges, and a door having a hinge side and pivotally mounted on the door frame such that the door is pivotally attached to the door frame through the hinges. The door has at least one slot in the hinge side thereof. Each hinge comprises inner and outer interfolding plates pivotally connected to each other. The inner plate is formed as a generally L-shaped member including a main portion fastened to the door and a tab portion extending at approximately a 90° angle from the main portion and disposed in the at least one slot. The main portion is integrally formed with the tab portion thereof. The outer plate includes a generally U-shaped main portion fastened to the doorjamb and defines an opening sized to receive the main portion of the inner plate.

Abstract: To provide a slide hinge which can be easily attached to a door or a cabinet main body of honeycomb cardboard, on which attaching screws do not work well, and which is further devised to eliminate a risk of escape from the door after the fixation, fittings enabling a coupling case to be attached to the door even without attaching screws or nails are provided; furthermore, each of the fittings comprises an attaching case part integrally connected to each side portion of the coupling case, and an fitting for each attaching case part; then, this fitting comprises a locking plate housed into the attaching case part and a diameter expanding means pushing out craw portions of the locking plate; the diameter expanding means further comprises an operating plate with pressurizing portions protruding on an outer circumference and a cap locked by a locking plate on each attaching case part.

Abstract: A hinge is disclosed with a barrel having a reduced thickness compared to a conventional barrel hinge. The arms that form the barrel are reduced in thickness prior to curling the arms so that a relatively thin barrel is achieved. The disclosed hinge can therefore be used as a flush mount hinge with minimal alteration to the objects to which it is coupled. The hinge can also be used as a top mount hinge with fewer safety issues in, for example, boating operations, where the hinge may be located in an area typically walked upon by people or animals. The disclosed hinge is easy to manufacture because the small arms require less force to curl, and yet the hinge portions can remain relatively thick to couple together heavy objects requiring high structural stability.

Abstract: Provided is a hinge that can be manufactured easily in a short time. The hinge rotatably connects a first member and a second member, and is provided with two brackets that are rotatable against each other and mounted to the first member and the second member, respectively, and a friction-torque-generating member that generates friction torque by directly or indirectly pressing the two brackets against each other. A first of the two brackets is configured from an integral structure that includes a shaft part that passes through the second bracket and supports the rotation, and a mounting part that is mounted to the first member or the second member, with the shaft part and the mounting part being produced from a plate material.

Abstract: An arrangement of a first component and a second component includes that the first component is manufactured by die casting to include a recess in which a section of the second component is adjustably guided. A side wall of the recess is provided with a mold release bevel. The side wall includes a region adjacent to the mold release bevel having a straight surface opposite the mold release bevel. The section of the second component is guided between the region and a straight mating surface.

Abstract: An adjustable hinge easily operable to adjust the position of a swinging door vertically and/or horizontally within a door frame.

Abstract: A hood hinge apparatus for a vehicle, in which a cowl-side body connected with an A-pillar has an inclined structure or an angular structure having a larger inclination than a right angle to reduce a step between the A-pillar and the cowl-side body, and engagement bolts are engaged with a horizontal inclined surface and a vertical inclined surface in different directions for coupling between the cowl-side body and the fixed hinge bracket to prevent injury of a passenger due to excessive dipping caused by generation of body bending during a front offset collision, thereby actively responding to safety regulations in case of a collision.

Abstract: A support strut for use as a primary load-bearing structural component for the hinged coupling of at least one additional primary load-bearing structural component. The support strut includes: a rod-shaped base body extending in a longitudinal direction, a fiber composite with an annular cross section, central hole originating from the first end of the base body, and with annular holes spaced apart relative to each other in the circumferential direction of the annular cross section and originating from the first end of the base body as well as running along the longitudinal direction in the base body; roving bundles imbedded in a matrix material that fills up the respective annular hole; and a hinged connecting body with a bearing receptacle for holding a swivel joint; as well as a guiding system with such a support strut and a method for manufacturing such a support strut.

Abstract: A hinge structure of the present disclosure to be used with an electrical conductor is provided. The hinge structure comprises a first positioning member, a second positioning member, and at least one electrical conductor. One side of the first positioning member forms a plurality of first fixing portions, the other side has a shaft. The shaft has two openings and a tunnel connecting the two openings for the passage of the electrical conductor. The shaft further forms a slot for receiving the electrical conductor. One side of the second positioning member has a sleeve portion, and the other side has a plurality of second fixing portions. The sleeve portion is rotatively engaged with the shaft, such that the hinge structure of the present disclosure may be reduced its dimensions. Accordingly, the portable electronic device applying the hinge structure may be light-weighted and miniaturized.

Abstract: A hinge mechanism arranged between a main body and a door, and openably and closably supporting the door, comprising: a fixed-side hinge plate disposed at the main body; and a movable side hinge plate disposed at the door, wherein the fixed-side hinge plate includes a bearing surface and a plurality of projection portions projected from the bearing surface, and the fixed-side hinge plate is mountable to (1) a first mounting portion of the main body, having holes through which the projection portions can be inserted, and being capable of abutting to the bearing surface, and (2) a second mounting portion of the main body, being capable of abutting to end surfaces of the plurality of projection portions.

Abstract: The present invention discloses a connecting clasp and a multi-disc optical disc cartridge using the connecting clasp for connection. The connecting clasp comprises two half bodies rotationally connecting with each other, wherein one half body can rotate around the other one at a degree from 0° to 180°. The multi-disc optical disc cartridge comprises multiple transparent disc sheets for accommodating optical discs. When the connecting clasp is used for connecting the multiple disc sheets, the two half bodies are inserted into the corresponding mounting sites of the adjacent disc sheets respectively so as to rotationally connect the disc sheets. Therefore, the adjacent disc sheets can rotate relative to each other at a degree from 0° to 180°, or even be displayed in the manner of turning pages at a degree from 0° to 360° when multiple disc sheets are connected together.

Abstract: A hinge is provided. In at least one embodiment, the hinge includes: a first hinge leaf; a second hinge leaf interleaved with the first hinge leaf; a housing defined within a posterior side of at least one of the first hinge leaf and the second hinge leaf and configured to receive a conduit adapted to receive and pass through a medium of power transfer from the first hinge leaf to the second hinge leaf on an anterior side of the first hinge leaf and second hinge leaf; and an aperture defined on the anterior side of at least one of the first hinge leaf and the second hinge leaf through which to access the housing. In various embodiments the hinge can include multiple housings, fittings, turrets, and ball-and-socket fittings. In various embodiments, conduits are flexible, rigid, both flexible and rigid, elastic, braided, and telescoping.

Abstract: A method of handling the removal and installation of a manway cover to a manway flange includes removing a plurality of manway cover bolts, assembling a portable manway cover hinge device having a pair of hinge plates having a hinge aperture alignable with an existing bolt opening or a user formed bolt opening, forming one or more bolt openings in a peripheral portion of one of the manway cover and the manway flange, aligning a hinge aperture of the support member of each of the pair of hinge plates with the one or more bolt openings formed in the peripheral portion of the one of the manway cover and the manway flange or the plurality of existing bolt openings, inserting a pin into each hinge aperture of the hinge plates, and removing the remaining manway cover bolts from the manway cover.

Abstract: In this device, the frame has, facing a rounded edge of the leaf B, an inclined surface, the distance of which from the frame A increases from the inside to the outside and which is connected to the internal surface of a covering strip, this strip being positioned parallel to the wall of the frame and at least in front of the rounded edge of the leaf B in order to prevent any access into the external gap between leaf B and frame A, while each of the hinge plates comprises, firstly, a male element fitting into a housing in the leaf, so as to be aligned therewith, and, secondly, a female element composed of: a cylindrical hinge body fitting into the male element so as to come into alignment with the rounded part; and a fastening base fitting into a housing recessed into the inclined surface of the frame so as to come into alignment with this surface.

Abstract: An adjustable hinge easily operable to adjust the position of a swinging door vertically and/or horizontally within a door frame.

Abstract: A hinge set (and associated methodology and resultant hung doors or windows) where the leaf of each hinge sleeved component is, or is to be, leafwise received in, and is, or to be, screwed into, a different cavity, yet allowing aligned sleeve meshing for pin insertion. Its use allows the leaf to be largely concealed even when the doors or windows are open.

Abstract: A hinge assembly includes a first body, and a second body capable of rotating relatively to the first body. The first body includes a first main part and a pair of stopper portions respectively extending from two sides of the first main part and coplanar with the first main part. Two ends of a shaft are fixed with the pair of stopper portions, respectively. The second body includes a second main part, a pair of blocking portions and a resilient arm located between the pair of the blocking portions. When the second body rotates to be perpendicular to the first body, the second body is positioned stably relative to the first body without an external force, due to an elasticity of the resilient arm of the second body.