Abstract: An electromagnetic attachment apparatus includes a power supply, an electromagnet module, and a rotatable module. The electromagnet module includes a coil and a core positioned in the coil. A mounting panel is attached to the core. A pair of electrically conductive blocks is attached to the mounting panel, and connected to the coil. The rotatable module is rotatably attached to the mounting panel, and includes a pair of electrically conductive pins connected to positive and negative electrodes of the power supply respectively. The rotatable module is rotatable to a first position in which the electrically conductive pins thereof contact the electrically conductive blocks for attaching a metal object, or a second position in which the electrically conductive pins thereof disengage from the electrically conductive blocks for releasing the metal object.

Abstract: An electronic device includes a base, a button module with a button movably received in the base from a lateral side of the base, a sliding block slidably mounted in the base, and an elastic positioning member. The sliding block defines a first securing slot and a second securing slot. The elastic positioning member is capable of engaging in the first securing slot to restrict the sliding block in a first position where the button module is received in the base, and is capable of engaging in the second securing slot to restrict the sliding block in a second position where the button module extends out of the base.

Abstract: A mounting assembly includes a mounting bracket, a riser card, a shield plate attached to an expansion card, a mounting frame, and a latch member. The riser card is attached to the mounting bracket and has at least one expansion card socket. The expansion card is received in the at least one expansion card socket. The mounting frame has at least one slot configured to fix the shield plate and an accommodating space beside the at least one slot. The latch member is mounted in the accommodating space and abuts the shield plate for preventing the expansion card from moving away from the at least one expansion card socket. The latch member is capable of being taken out from the accommodating space to release the shield plate, thereby allowing the expansion card to disengage from the at least one expansion card socket.

Abstract: An air duct includes a top panel and a blocking member rotatable secured to the top panel. A through hole is defined in the top panel, and a pair of clipping portions are located an edge of the through hole. The blocking member includes an operating portion and a blocking portion connected to the operating portion. The operating portion is located on an outside of the top panel, and the blocking portion is located on an inside of the top panel. The operating portion of the blocking member is passed through a bottom surface of the top panel through the through hole, extends to a top surface of the top panel, and engaged with the pair of clipping portions.

Abstract: An electronic device includes a first motherboard and a network interface card (NIC). A cutout is defined in the first motherboard. The NIC is located in the cutout of the first motherboard and positioned substantially parallel to the motherboard. The NIC includes a network socket is capable of receiving a network cable, and a printed circuit board (PCB). The PCB includes a first edge, a second edge, and a third edge. The network socket is located in the first edge. The second edge is substantially perpendicular to the first edge. A side connector is located on the second edge. The second edge is capable of being vertically connected to a second motherboard. The third edge substantially parallels to the first edge. A back connector is located on the third edge, that is plugged into the first motherboard in parallel.

Abstract: A mounting apparatus includes a mounting bracket and a securing element. The mounting bracket is configured to mount an expansion card. The mounting bracket is mounted in a chassis. The securing element includes a positioning member mounted to the mounting bracket, a mounting member mounted in the positioning member, and an elastic member surrounding the mounting member. The positioning member includes a first stopping portion. The mounting member includes a contact portion and a threaded portion engaging the chassis. The elastic member is resiliently compressed between the first stopping portion and the contact portion. The elastic member is configured to bias the threaded portion away from the chassis.

Abstract: A mounting apparatus includes a chassis, a mounting tray accommodated in the chassis, a base portion configured for being attached to an expansion card, and a securing member. The mounting tray includes a front panel, the front panel defines a expansion slot. A supporting piece is located on the front panel and adjacent to the expansion slot, and a clasping piece is positioned on the front panel, near to the supporting piece. A flange is located on the base portion, for abutting the supporting piece. The securing member is located between the flange and the clasping piece. Wherein the securing member is mounted to the clasping piece and the flange is located between the securing member and the supporting piece.

Abstract: A mounting apparatus includes a chassis, a mounting tray configured for being secured an expansion card, and an expansion piece configured for securing the expansion card. The chassis includes a front plate. The mounting tray includes a front panel secured to the front plate, and a side panel connected to the front panel. A stopper piece is located on the front plate, and a clipping hole is defined on an end near to the front plate of the side plate. A flange and an inserting portion are positioned on opposite ends of the expansion piece, wherein the flange is secured to the stopper piece, and the inserting portion is inserted into the clipping hole.

Abstract: A mounting apparatus includes a chassis, an expansion piece secured to a first end of an expansion card, a carrier and a supporting device configured to support a second end of the expansion card. The chassis includes a bottom plate, and the carrier is mounted on the bottom plate. The supporting device includes a first supporting member secured to the carrier, and a second supporting member secured to the first supporting member. The first supporting member and the second supporting member sandwich the expansion card when the second supporting member is attached on the first supporting member.

Abstract: A retaining apparatus for at least one data storage device includes a tray and a retaining device. The tray is used for receiving the at least one data storage device. The retaining device is attached to a front side of the tray. The retaining device includes base member, an arm member, an operation member and a blocking tab. The base member is attached to the front side of the tray. The arm member is pivotably attached to the base member about a first pivot axis. The operation member is pivotably attached to the base member about a second pivot axis. The second pivot axis is substantially perpendicular to the first pivot axis. The blocking tab is secured to the operation member. The blocking tab has a blocking portion to block the arm member.

Abstract: A heat dissipating assembly includes a heat dissipating member, a bracket and a locking member. A male connector is coupled to the heat dissipating member with a cable. The bracket includes two securing plates. Each securing plate defines a positioning hole. A locking member is secured to the heat dissipating member and includes a board body. Two locking portions are located on the board body and engaged in the positioning holes. The locking member defines a through opening. Two first locking blocks and two second locking blocks are located on the locking member. The cable is received in the through opening, and the male connector is inserted through the through opening and secured both between the first locking blocks and between the second locking blocks.

Abstract: A mounting apparatus includes a bracket and a locking member. The bracket includes two securing plates, and each securing plate defines a positioning hole. The locking member is configured for being secured to a heat dissipating member and includes a board body and two locking portions located on the board body. The two locking portions engage in the positioning holes from outside of the bracket, and each securing plate is positioned between the board body and each locking portion.

Abstract: A mounting apparatus includes a bracket and a gripping member secured to the bracket. The gripping member includes a supporting portion and a retaining portion connected to the supporting portion. A first locking tab and a second locking tab are located on the supporting portion. A latch is located on the retaining portion. The retaining portion is moved between a first position, where the latch is engaged between the first and second locking tabs for sandwiching a PCI card between the retaining portion and the supporting portion, and a second position, where the latch is disengaged from the first and second locking tabs.

Abstract: A mounting apparatus includes a drive bracket assembly, a back panel, and a securing member. The back panel is mounted to the drive bracket assembly along a first direction. The securing member is slidably mounted on the drive bracket assembly. The securing member secures the back panel to the drive bracket assembly to prevent the back panel moving along the first direction. The securing member is capable of sliding along a second direction that is generally perpendicular to the first direction to a position, so the back panel is capable of moving along the first direction.

Abstract: A mounting apparatus includes a chassis, a first securing plate, a second securing plate and a bracket. The first and second securing plates are secured to the chassis. The bracket is secured between the first and second securing plates and includes a top wall, a first sidewall, and a second sidewall. The first and second sidewalls are located on the top wall. The top wall and the first and second sidewalls are configured for receiving a cell battery. The first sidewall defines a receiving slot for receiving a cable of the cell battery.

Abstract: A connecting member includes a cable, an enclosure, a shaft assembly member and an elastic member. The cable surrounds the shaft assembly member. The shaft assembly member is rotatablely mounted in the enclosure. The elastic member includes a first end and a second end. The first end is secured to the shaft member, and the second end is secured to the enclosure.

Abstract: A fan assembly includes a chassis and a fan bracket secured in the chassis. The chassis has a bottom wall. The fan bracket comprises a strengthening fan bracket plate, a first fan bracket plate mounted to the strengthening fan bracket plate, and a second fan bracket plate parallel to the first fan bracket plate. The first fan bracket plate and the second fan bracket plate are configured for securing the fans. Each fan comprises a first sidewall. A plurality of vibration absorbing members are secured to the fan. Each vibration absorbing member comprises a head and a blocking portion, and the head is located between the strengthening fan bracket plate and the first fan bracket plate. The blocking portion is located between the first sidewall and the first fan bracket plate.

Abstract: A mounting apparatus includes a chassis, a first securing plate, a second securing plate, and a locking member. The first securing plate is secured to the chassis and defines a through hole. The second securing plate is secured to the chassis and defines a slot. The locking member is located between the first and second securing plates, configured for securing a heat dissipating member. The operating piece is located on the locking member and resiliently deformable. A protrusion is located on the operating piece engaged in the through hole of first securing plate. A positioning tab is located on the locking member engaged in the slot of the second securing plate.

Abstract: A computer system includes a chassis, a fan bracket and an air duct. The fan bracket is configured for receiving a fan and secured in the chassis. A retaining flange is located on the fan bracket. The air duct is secured in the chassis and includes a top portion and two side portions connected to the top portion. A locking block is located between the two side portions and defines a slit that receives the retaining flange. The air duct directs airflow through the fan bracket.

Abstract: An airflow shielding device is configured for being secured to fan and includes a first member, a second member, and a plurality of shielding pieces. The first member defines a first through opening. The second member defines a second through opening corresponding to the first through opening. The shielding pieces are rotatably secured between the first member and the second member and rotate between a closed position, where the shielding pieces cover the first through opening, and an open position, where the shielding pieces are located so that air can flow through the first and second through openings.