Abstract: A button mechanism is arranged in an electronic device for actuating a switch. The button mechanism includes a support fixed in the electronic device, a button for receiving an external press to move towards and actuate the switch, and an elastic connection member connecting the button to the support, wherein the elastic connection member is elastically deformed when the button is depressed. The button mechanism further includes a resisting member. The resisting member includes a first end fixed in the button, and a second, suspended end for resisting against a stopping member fixed in the electronic device, wherein when the button moves a predetermined distance towards the switch, the second end resists against the stopping member to prevent the button from further moving towards the switch.

Abstract: A cover assembly includes a base including an opening, a first hole and a second hole, an elastic cover including a first pivot and a second pivot coaxially aligned with the first pivot. The first pivot is rotatably received in the first hole and the second pivot is rotatably received in the second hole, thereby rotatably connecting the cover to the base. The cover is rotatable between a closed position where the cover covers the opening, and an open position where the opening is exposed. The operator only needs to bend the cover slightly, and assembles the first pivot and the second pivot into the pair of holes from the opening respectively.

Abstract: An electronic device includes a housing defining an opening, a signal receiving unit received in the housing, a sensor window cover secured to the opening and corresponding to the signal receiving unit, and a stopping mechanism. The stopping mechanism includes a resisting member secured to the sensor window cover, a first stopping member and a second stopping member arranged on opposite sides of the opening. The resisting member defines a receiving portion. The receiving portion receives the first stopping member to allow the sensor window cover to be secured to the opening, and abuts the second stopping member to prevent the sensor window cover from being secured to the opening when the sensor window is installed reversely.

Abstract: An electronic device includes a housing, a circuit board received in the housing, a signal receiving unit secured to the circuit board, a sensor window cover secured to the housing and corresponding to the signal receiving unit, and at least one limiting post secured to an inner surface of the housing. The sensor window cover defines at least one limiting hole for receiving the at least one limiting post. The circuit board abuts the sensor detector window to secure the sensor window cover to the housing when the at least one limiting post is received in the at least one limiting hole.

Abstract: A device includes a housing, a support member, and a fastener. The housing defines a recess and includes a protrusion extending from a bottom of the recess. The height of the protrusion is less than a depth of the recess. The protrusion defines a fastening hole extending therethrough. The support member is retained within the housing and defines a through hole. The fastener extends through the through hole of the support member and is screwed into the fastening hole to secure the support member to the housing.

Abstract: An optical disk player includes a main body, a hinge, and a display. The main body includes a cover and an opposite base. The hinge includes a fixing portion coupled with the cover of the main body. The display is pivotably connecting to the main body by the hinge. The fixing portion defines a locating hole thereon. The cover defines a holding portion and a first locking portion. The first locking portion comprises a pole and a hook at an end of the pole. The holding portion of the cover is engaged in the corresponding locating hole of the fixing portion. The hook and the pole of the first locking portion clasp different sides of the fixing portion.

Abstract: An adjusting device for adjusting a height of an object, includes a support base, an adjusting portion movably secured to the support base and adapted for holding the object, a driving portion engaging with the adjusting portion, and a limiting mechanism. The adjusting portion is capable of rotating to drive the adjusting portion to move relative to the support base to adjust the height of the object. The limiting mechanism is adapted to prevent the adjusting portion from rotating when the adjusting portion is driven to move relative to the support base.

Abstract: A measuring device for measuring the torque of a torsion spring, includes a base, an electronic scale secured to the base, a supporting plate fixed to the base, and a holding mechanism slidably secured to the supporting plate. The holding mechanism includes a screw slidably secured to the supporting plate, two nuts engaging with the screw and arranged at opposite sides of the screw, and a holding portion for holding the torsion spring. The nuts are operated to adjust the height of the screw relative to the supporting plate, to drive the torsion spring to depress the electronic scale. The electronic scale displays a weight value for calculating the torque of the torsion spring when depressed by the torsion spring.

Abstract: A housing of an electronic device includes a bottom cover and a front panel detachably secured to the bottom cover. The bottom cover includes at least one first sidewall and a locking portion perpendicularly set on the at least one first sidewall. The front panel includes a fixing portion and a blocking portion adjacent to the fixing portion and spaced from the locking portion. The fixing portion defines a through hole for receiving the locking portion. The fixing portion and the blocking portion abut opposite sides of the at least one first sidewall for preventing the at least one first sidewall from leaving a gap between the at least one first wall and the locking portion.

Abstract: An electronic device includes a main body, a hinge assembly, and a decorative cover. The main body includes a holder and a holder cover. The holder cover defines an opening at a lateral side thereof and a first notch at a middle portion of the lateral side communicating with the opening. An elastic arm extends from an inner wall of the holder cover to the opening. The elastic arm defines a receiving hole. The hinge assembly includes a connecting portion inserted in the opening of the main body, and a pivot extending through the first notch for connecting to a display. The decorative cover covers the hinge assembly. The decorative cover includes a projection engaged into the receiving hole of the elastic arm to fixedly mount the decorative cover on the holder cover.

Abstract: An optical disc drive includes a housing with a protrusion and a tray capable of sliding in and out of the housing. The tray includes a first surface, and a second surface opposite to the first surface. The first surface is partially recessed to form a receiving space for accommodating an optical disc. The second surface defines a channel, and forms a blocking portion at one end of the channel. The protrusion slides in the channel to guide the tray to slide in and out of the housing, and cooperates with the channel to prevent the tray from vibrating. When the tray is fully extended from the housing, the protrusion is located at the end of the channel forming the blocking portion, thus the protrusion is blocked by the blocking portion from sliding too far so that the tray is prevented from sliding off the housing.

Abstract: A card edge connector for receiving a card which is rotatably assembled includes an insulative housing, a plurality of terminals and a pair of metal pieces. The insulative housing has a inserted slot for receiving the card and a key within the inserted slot for anti-mismating of the card. The terminals are arranged in a single row and located at one side of the inserted slot. Each terminal includes a solder portion extending out of the insulative housing and a contacting portion projecting into the inserted slot. The metal pieces locate at the other side of the inserted slot, each of which includes a mounting portion and an abutting portion projecting into the inserted slot. The terminals are arranged in a single row for reducing the height of the card edge connector.

Abstract: A locking apparatus of a CD-ROM drive includes a support and a transmitting wheel. The support includes a shaft and a clasp formed thereon. The support is arranged in a chassis of the locking apparatus. The shaft and the clasp are received in the transmitting wheel. The clasp is configured for clasping the transmitting wheel.

Abstract: An optical disk player includes a main body, a hinge, and a display. The main body includes a cover and an opposite base. The hinge includes a fixing portion coupled with the cover of the main body. The display is pivotably connecting to the main body by the hinge. The fixing portion defines a locating hole thereon. The cover defines a holding portion and a first locking portion. The first locking portion comprises a pole and a hook at an end of the pole. The holding portion of the cover is engaged in the corresponding locating hole of the fixing portion. The hook and the pole of the first locking portion are clasped different sides of the fixing portion.

Abstract: An exemplary electronic device includes a front cover, a display screen and two speakers located on the back surface, and a back plate abutting against the display screen and two speakers. Five fasteners extend backwardly from a back surface of the front cover. Each of the fasteners includes a connecting plate extending backwardly from the back surface and a top plate formed at a free end of the connecting plate. Five latching tabs are formed on the back plate corresponding to the fasteners. Each of the latching tabs includes a latching tip latched between the top plate of the corresponding fastener and the back surface of the front cover. The back plate abuts against the display screen and the two speakers, thus mounting the display screen and the two speakers on the front cover.

Abstract: An exemplary portable electronic device includes a bottom cover, a top cover, an electronic module, and elastic washers. The top cover engages with the bottom cover to define a space therebetween. The electronic module is received in the space. Poles protrude up from the bottom cover. The elastic washers are fixed on the electronic module. A through hole is defined in each of the washers. The poles respectively extend through the through holes of the washers, and opposite ends of each of the washers respectively elastically abut the top cover and the bottom cover.

Abstract: An exemplary portable electronic device includes a bottom cover and a top cover engaging with the bottom cover. Recesses are defined in the bottom cover. Strips are protruded down from the top cover and corresponding to the recesses of the bottom cover. The strips of the top cover fittedly engage in the recesses of the bottom cover to assemble the bottom cover and the top cover together. The assembled bottom cover and top cover cooperatively form a shell, and the strips and the recesses are located at an inside of the shell.

Abstract: An optical disk drive includes a housing, a tray, a detecting switch, a slide actuating member, and a restricting structure. The tray is received in the housing for carrying a disk and is slidable relative to the housing to interchange between a closed position and an open position. The detecting switch is disposed in the housing for being actuated and detecting the position of the tray. The slide actuating member slidably engages with the housing and is capable of actuating the detecting switch under the drive of the tray. The restricting structure is disposed between the tray and the slide actuating member for restricting the slide actuating member from disengaging from the tray after the detecting switch is actuated.

Abstract: A locking structure includes a hook disposed on a first object and engagable with a locking member disposed on a second object. The locking member includes a main body rotatable about an axis thereof and a number of locking portions radially protruding from the main body. When the main body rotates about the axis, the locking portions rotate together with the main body to engage with and disengage from the hook to lock the first object to and unlock the first object from the second object.

Abstract: A portable electronic device comprises a motherboard with an electronic component mounted thereon, an electrical conducting port disposed on the motherboard, a heat dissipation plate for dissipating heat of the electronic component, and conductive foam placed between the electrical conducting port and the heat dissipation plate. The heat dissipation plate has a protrusion extending therefrom corresponds to the electrical conducting port. The conductive foam defines a hole, and the protrusion of the heat dissipation plate extends through the hole of the conductive foam to contact the electrical conducting port.