Abstract: A module comprises a tray, a mechanical switch, and a linkage system. The tray is configured to receive a circuit board thereon. The mechanical switch is mounted to the tray and movable between an unsecured position and a secured position. The linkage system is mechanically coupled to the mechanical switch, and moves between an unsecured configuration and a secured configuration in response to the mechanical switch moving between the unsecured position and the secured position. When the module is coupled to a computing device and the linkage system is in the secured configuration, the linkage system engages the computing device, such that the module is locked to the computing device. When the module is coupled to the computing device and the linkage system is in the unsecured configuration, the linkage system is disengaged from the computing device, such that the module is unlocked from the computing device.

Abstract: A power supply with a separable communication module includes a casing with a port; a main board placed in the casing and having a power conversion circuit; a sub-board electrically connected to the power conversion circuit and provided with at least one first connector; and a communication module. The power conversion circuit has at least one electrical connection terminal. A first interface of the first connector faces the port. The communication module includes a first circuit board and a communication circuit disposed on the first circuit board, the first circuit board has an electrical connection part electrically connected to the communication circuit, the electrical connection part has a first state of connecting with the first interface, and a second state of detaching from the first interface.

Abstract: A circuit board module includes a circuit board body, a connector, a press button, a bracket, and a linkage. The connector includes a base and a rotating button rotatably disposed on the base. The press button is located away from the connector. The bracket includes a first limiting portion. The linkage is located between the rotating button and the press button and includes a second limiting portion corresponding to the first limiting portion, a first segment, and a second segment linked to the first segment. The first segment extends along a first axis and is linked to the rotating button. The second segment extends along a second axis and is linked to the press button. One of the second limiting portion and the first limiting portion extends along the first axis. The first segment is movably disposed on the bracket along the first axis.

Abstract: A chassis for housing information handling resources of an information handling system may include an enclosure, a plurality of bays formed within the enclosure, each bay of the plurality of bays configured to receive a corresponding modular information handling resource, and a hem comprising a ledge extending from the enclosure and running proximate to at least a portion of the plurality of bays. The hem may have formed therein a recess sized and shaped in accordance with physical dimensions of an interchangeable labeling strip and a plurality of retention features, each retention feature configured to receive a corresponding engagement feature of the interchangeable labeling strip, in order to retain the interchangeable labeling strip within the recess.

Abstract: An expansion bay for a computer device for easy insertion and extension of an expansion component is disclosed. The expansion bay has two facing side walls, a bottom panel joining the facing side walls, and a closed end. A front cross member joins the side walls to define a front open end. A pair of springs are located the closed end that force the expansion component away from the closed end. A pair of rotating levers are mounted on the front cross member near each of the side walls. Each of the rotating levers has a pin that engages a groove on the expansion component that is inserted through the open front end. The levers are rotated via the pins engaging the grooves when the expansion component is moved into and out of open front end.

Abstract: A retractable handle assembly for an electronic device includes a base plate having a base plane, a sliding member, and a handle. The sliding member is movable along a first axis that is parallel to the base plane. The handle is movable along a second axis that is perpendicular to the base plane. The sliding member has a ramp surface and a wedge surface. The handle has a mating wedge surface. The ramp surface and the wedge surface are angularly oriented relative to the base plane. The ramp surface is angled to receive a first force, which is perpendicular relative to and directed towards the base plane. In response to the first force, the sliding member moves along the first axis and the wedge surface moves towards the mating wedge surface. The wedge surface moving towards the mating wedge surface causes a second force to deploy.

Abstract: Disclosed in the present disclosure is a hard disk fixing device, including: a seating, which includes a base fixed on a main board and a first pair of elastic buckles perpendicular to the base and arranged at two sides thereof; a first supporting seat, which includes a main body and an extending portion extending from the main body, wherein the extending portion may be snap-fitted between the first pair of elastic buckles, a first guiding slot is provided inside the main body and a through hole is provided in a side surface of the main body, and the first guiding slot is in communication with the through hole; a first adjusting fastener, which includes a sliding rod and a limiting rod connected to the sliding rod.

Abstract: A release mechanism is disclosed that can facilitate safely and efficiently removing an expansion card from a computing device. The release mechanism can be installed on a motherboard around an expansion slot, and can include an opening that permits access to the expansion slot to allow an expansion card to be installed therein. When removal of the expansion card is desired, a handled of the release mechanism can be pulled, causing contact surfaces of the release mechanism to push the expansion card away from the expansion slot with even force, removing the need to tilt the expansion card.

Abstract: An information handling system includes a module configured to be installed into a server rack and a handle assembly. The handle assembly includes a main frame that is rigidly affixed to the module, a handle frame that is movably affixed to the main frame, and a handle that is rigidly affixed to the handle frame. The handle frame and the handle are movable with respect to the main frame between a first, upper position, and a second, lower position.

Abstract: A computing card support system, including: a cage positioned on a PCB, including: a first support structure; a second support structure; a cover that is removably coupled to the support structures and positioned opposite to the PCB, the cover including a grounding material positioned along an inner surface of the cover, the inner surface of the cover facing the PCB; computing cards that are i) coupled to the PCB at a first end of each respective computing card and ii) positioned within the cage, each of the computing cards including conductive pads positioned at a second end opposite to the first end of the respective computing card, wherein the computing cards extend from the PCB toward the cover such that the grounding material of the cover is in contact with the conductive pads of each of the computing cards to provide electrical grounding of the computing cards.

Abstract: A card reader includes a card conveyance path comprising upper and a lower conveyance paths to convey a card inserted into a device; and a reading unit that reads information on the card. Lower concave and convex portions are provided on an upper surface of the lower conveyance path behind the reading unit. Upper concave and convex portions are provided on a lower surface of the upper conveyance path to be fitted to the lower concave and convex portion. A pressing unit provides a fitted state of the lower and upper concave and convex portions when no object is present. A detection sensor detects a state where an interval between the lower and upper concave and convex portions is widened. The detection sensor detects the state where the interval is widened, to recognize that an object is inserted between the lower and upper concave and convex portions.

Abstract: A support assembly includes a first slide rail assembly, a second slide rail assembly, a carried object, a first cable management device and a second cable management device. The first cable management device is mounted to the first slide rail assembly and the second slide rail assembly. The first cable management device includes a first cross bar and a second cross bar movably connected to the first cross bar. The first cross bar is further connected to the first slide rail assembly and the second cross bar is further connected to the first slide rail assembly. The present invention further discloses a cable management kit which includes the first cable management device and the second cable management device.

Abstract: A chassis for a computing device includes a base component and a top cover. The base component includes guide slots therein. The top cover includes stamped protrusions extending from one or more side slider structures. The slider structurers extend downwardly from a top surface of the top cover. The stamped protrusions are unitary one-piece structures with the one or more side slider structures. The stamped protrusions correspond to respective guide slots of the base component such that the stamped protrusions are positioned in corresponding guide slots when the base component and the top cover are in a mating position.

Abstract: A display panel has a display area and a frame area located at at least one side of the display area. The display panel includes a base, at least one groove, a plurality of light-emitting devices, at least one first fixing component, and a sealant disposed at least in the frame area. At least one groove is arranged at a side of the base, and the at least one groove is located in the frame area. Each first fixing component includes a first portion and a second portion, and the first portion of the first fixing component is embedded in a groove. The sealant is located at the side of the base having the at least one groove, and the second portion of the first fixing component is embedded in the sealant.

Abstract: An electronic assembly including a disk drive mount, a circuit board, a first tray and an expansion card. The disk drive mount has an accommodation space. The circuit board is fixed to the disk drive mount. The first tray is removably mounted in the disk drive mount and located in the accommodation space. The expansion card is fixed in the first tray and electrically connected to the circuit board.

Abstract: A drive loading jig, drive carrier assembly and method of using the same to insert and remove a drive from a host reduce the likelihood of a drive being damaged during insertion or removal. Such a drive loading jig has side walls with respective slots and a rear wall joining the side walls. Each of the slots includes multiple restraining walls to restrain a drive, when positioned in the jig, from bending with respect to a plane parallel to a major surface of the drive and from moving in a direction substantially perpendicular to the major surface. Stoppers formed in the side walls or rear wall define a maximum insertion depth of the drive. An alignment key-way on the loading jig is used to align the drive in the proper orientation prior to inserting the drive into the loading jig.

Abstract: A power converter includes a tubular housing having an accommodation space, a first and a second openings. A power module is disposed in the accommodation space and includes a circuit board and a first fastening portion. A bottom cover is formed with a second fastening portion and first bumps, and the bottom cover is pre-positioned on the tubular housing through the second fastening portion engaged with the first fastening portion. A bottom cover is bonded to the first opening through melting the first bumps by ultrasonic welding. A power cable is inserted through the bottom cover and electrically connected to the circuit board. A power socket is coupled to the second opening.

Abstract: A converter is provided. The converter includes a housing, a circuit board unit, a heat source member, a fan, and a first heat sink. A waterproof area and a ventilation area are formed in the housing. The circuit board unit is disposed in the waterproof area. The heat source member is disposed in the waterproof area and coupled to the circuit board unit. The fan is disposed in the ventilation area, wherein the fan is adapted to generate an air flow. The first heat sink is disposed in the ventilation area, and thermally connected to the heat source member, wherein the air flow is adapted to pass through the first heat sink.

Abstract: An electronic device is provided, which includes a printed circuit board (PCB), a housing receiving the PCB and including a through-hole connected to an outside of the electronic device, an electronic component connected with the PCB and accessible from the outside via the through-hole, and a sealing member disposed between a surrounding of the through-hole and the electronic component and shaped as a closed loop. The housing includes a sealing area disposed inside the housing along the surrounding of the through-hole and contacting the sealing member, a rib projecting towards an inside of the housing from an end of the sealing member, supporting the electronic component, and limiting movement of the electronic component by an external force, and a recess formed in an area of the rib, at least a portion of the recess that is flush with a surface of the sealing area.

Abstract: A grounding clip for a plug-in universal (PIU) module enclosure in an optical network element includes a first wing portion shaped to be positioned between and in contact with a first side of a faceplate of the network element and the chassis, a second wing portion shaped to be positioned between and in contact with a second side of the faceplate and the chassis, and a center portion shaped to extend over and to be in contact with the PIU module enclosure when the grounding assembly is installed in the network element. The grounding clip includes an opening through which a fastener electrically and mechanically couples the grounding clip to a printed circuit board (PCB) and to the chassis when installed, the PCB being installed within the chassis and configured to be communicably coupled to a PIU module when the PIU module is installed in the PIU module enclosure.

Abstract: A flexible server configuration system includes a connector array including a plurality of slots and a first jumper board configured to removably engage with the connector array by connecting to a first set of consecutive slots from the plurality of slots. The first jumper board is configured to disengage and reengage from the connector array to connect with a different set of consecutive slots from the plurality of slots. The system further includes a first set of at least one peripheral device, each connected to one of the plurality of slots, and a first node including at least one first node processor. The first node is connected to two of the plurality of slots.

Abstract: Technology is provided for a device sled with an interference shield. The device sled includes a sled chassis having a bottom wall and first and second opposed sidewalls. A shield support bracket is coupled to the first sidewall and an interference shield is removably coupled to the shield support bracket and the second sidewall. The interference shield includes a shield panel, first and second opposed side flanges extending from the shield panel, and a latch coupled to the first side flange and positioned to engage the shield support bracket.

Abstract: A data-secure electrical connector is operable to provide electrical power to a portable electronic device via a connector that is capable of transmitting electrical power and electronic data to the device, but without establishing an electronic data connection with the device, while providing an indicia to a user when the data-secure electrical power connection has been made.

Abstract: An information processing device (e.g. a server) is designed to install a plurality of electronic components (e.g. server modules) connectible to a plurality of connectors arranged in the bottom of a casing. A stopper is attached to the casing at a deviated position slightly deviated from the electronic component in its thickness direction perpendicular to the insertion direction of the electronic component. An interference member is disposed in an interference area asymmetrically located on a first face of the electronic component relative to a second face of the electronic device in its thickness direction with respect to the electronic device. The interference member interferes with the stopper only when the electronic component is inserted into the connectors at an irregular position or in a reverse manner.

Abstract: A peripheral card for an information handling system mounts to an end of a chassis. The peripheral card has an opposite end secured to a base. The base has switchable features for accommodating different types of peripheral cards that may be installed in the chassis.

Abstract: Technology is provided for a server platform with a continuously powered server sled. The server platform includes a cubby chassis including partitions defining a plurality of sled positions. A power tray is located in a corresponding one of the plurality of sled positions and a server sled is positioned on and continuously powered by the power tray. The power tray includes a tray chassis having a tray sidewall and a tray bottom wall. A pair of elongate conductors extend along the tray sidewall. A tray connector is mounted on the tray bottom wall and is in electrical communication with the pair of elongate conductors. The server sled includes a sled chassis having a chassis sidewall and a chassis bottom wall. A side-plane printed circuit board is mounted to the chassis sidewall and includes a pair of conductive elements positioned for sliding contact with the elongate conductors.

Abstract: A system and apparatus for monitoring and control of the operation of various types of industrial plants, including power plants, nuclear power plants and plants including various types of mechanical, electrical and chemical machinery. The invention employs modular non-microprocessor based, non-software based digital hardware that enables communication between sensors and control logic and between the control logic and actuators that control a functional aspect of each plant.

Abstract: In an embodiment of the current invention, a battery charging system for charging a plurality of portable electronic devices includes a scaling module configured to receive a first voltage and scale the first voltage to a second voltage, a memory configured to store a value, and a processor configured to receive a signal representing the second voltage, retrieve the value stored in the memory, and adjust at least one charging parameter using a comparison between the retrieved value and the received signal representing the second voltage.

Abstract: The present invention is applied to the field of technologies about a handle structure in an electronic device, and discloses a handle locking structure and an electronic device having the handle locking structure. The handle locking structure includes a handle body that is connected to a shell, and a pressing member, a transmission member, and a locking part that are connected to the handle body in a sliding or rotating manner, where the locking part includes a bolt, the transmission member is connected to the pressing member, an unlocking structure that is used to enable the bolt to retract is disposed between the transmission member and the locking part, the transmission member is connected to the bolt through the unlocking structure, the transmission member can slide by pressing the pressing member, and the sliding transmission member functions on the bolt through the unlocking structure to enable the bolt to retract.

Abstract: A stacked connector alignment system includes a board with processor and a board connector coupled to the processor. An alignment element is mounted to the board adjacent the board connector. The alignment element includes first alignment members and second alignment members that are spaced apart from the first alignment members. A first component includes a primary first component connector and a secondary first component connector that is located on an opposite surface of the first component from the primary first component connector, and the first alignment members are configured to engage the first component to align the primary first component connector with the board connector. A second component includes a second component connector, and the second alignment members are configured to engage the second component to align the second component connector with the secondary first component connector when the primary first component connector is connected to the board connector.

Abstract: A substrate spacing member includes a spacer portion which is disposed between the two substrates in contact with both edge portions thereof to keep a distance between the two substrates constant, spacer member holding portions which hold the spacer members, a frame body portion that connects the spacer member holding portions to each other, a branch portion which extends toward a predetermined position between the two substrates from the frame body portion or the spacer member holding portions, and electrode holding portions which are provided at the branch portions, and hold electrodes at the predetermined positions.

Abstract: To provide an electrical junction box equipped with a bracket having a new structure that can stably and strongly secure the electrical junction box to a vehicle body to exert sufficient strength against an external force applied by bolt-fastening of a terminal hardware in an external wiring. A separate bracket attaches an electrical junction box main body to a vehicle body side support member. The separate bracket is provided with latch portions. Fixing positions between the latch portions and the electrical junction box main body are set on both sides of bolt connecting sections along the vehicle body side support member.

Abstract: A positioning structure for a removable hard drive includes an enclosure and a tray. The enclosure is used for being mounted by the hard drive, and disposed with a plurality of positioning holes. The tray includes a bottom and two side walls vertically extending therefrom. A space being is formed by the bottom and the side walls. The bottom is formed with a plurality of positioning pillars corresponding to the positioning holes. The enclosure is received in the space, and the positioning holes are correspondingly inserted by the positioning pillars.

Abstract: A mounting structure of a flexible printed circuit board and a sliding-type electronic device is provided by which a too large increase in thickness of devices can be avoided and a pair of housings can be slid relatively in a bending and slanting direction. In the mounting structure, an upper housing 12 and a lower housing 22 coupled in a freely slidable manner are electrically connected to each other by a flexible printed circuit board folded back to be routed between slide facing surfaces 12b and 22a of both the housings and the height of a side wall surface 12c and 22c of the upper housing and lower housing changes in a bending manner along the direction of freely sliding and, in the slide facing surfaces of the upper housing and lower housing, concave space portions 15 and 25 to accommodate the change in curvature and in position of a folding-back portion 31a caused by sliding motion between the upper housing and lower housing are disposed.

Abstract: A mounting structure of a flexible printed circuit board and a sliding-type electronic device is provided by which a too large increase in thickness of devices can be avoided and a pair of housings can be slid relatively in a bending and slanting direction. In the mounting structure, an upper housing 12 and a lower housing 22 coupled in a freely slidable manner are electrically connected to each other by a flexible printed circuit board folded back to be routed between slide facing surfaces 12b and 22a of both the housings and the height of a side wall surface 12c and 22c of the upper housing and lower housing changes in a bending manner along the direction of freely sliding and, in the slide facing surfaces of the upper housing and lower housing, concave space portions 15 and 25 to accommodate the change in curvature and in position of a folding-back portion 31a caused by sliding motion between the upper housing and lower housing are disposed.

Abstract: There is provided an electronic device that includes a housing including six sides at right angles to each other, a first side of the six sides including an opening, a first backplane arranged on a second side so as to oppose to the opening, a second backplane arranged on a third side adjacent to the second side, a circuit board which is inserted toward the first backplane through the opening to be coupled with both of the first backplane and the second backplane with use of a plurality of connectors, the circuit board including a specified corner, and a guide. The guide is configured to shift the circuit board toward the second backplane while the specified corner slides with contacting a portion of the guide which is arranged on a fourth side of the six sides opposed to the third side.

Abstract: A guiding mechanism includes a first guiding component, a second guiding component, a push rod, a push rod sheath and a driving component. A distance is between the second guiding component and the first guiding component and increases in a first direction. The push rod includes a rod base slidably connected to the first guiding component. The push rod sheath includes an engaging portion movably engaged with the rod base, and a guiding portion slidably connected to the second guiding component and used for pushing a flexible printed circuit board. The driving component drives the rod base to move relative to the engaging portion, so as to drive the push rod and the push rod sheath to slide relative to the first guiding component and the second guiding component.

Abstract: According to one embodiment, an electronic apparatus includes a case, a printed circuit board contained in the case and having a through-hole, and a fixing member including a shaft portion inserted in the through-hole and a head portion located at one end of the shaft portion. The electronic apparatus also includes copper foil provided on the printed circuit board, and a cover film including an opening portion configured to expose part of the copper foil. The opening portion is located at a position which is to be covered with the head portion, and the cover film covers the copper foil at positions other than the position where the opening portion is located. The electronic apparatus further includes a conductive material provided on the copper foil inside the opening portion and configured to electrically connect the head portion and the copper foil to each other.

Abstract: Provided is a power module invented for easy manufacturing and fatigue reduction at a soldered portion, and a method for manufacturing the same. The power module according to the present invention comprises a substrate where electronic parts are mounted by soldering, and a mold case housing the substrate and including bus bars for electrical connection with an external apparatus. The mold case comprises partition plates forming an electronic part mount area where electronic parts are mounted on the substrate, and a bonding area for bonding to the bus bars, a first resin cast to the electronic part mount area, and a second resin cast to the bonding area.

Abstract: The present invention relates to a slide unit for an electronic apparatus, including a base having a flat surface extending in front and rear directions and having a left end part and a right end part along the front and rear directions on both sides along a width direction perpendicular to top and bottom directions of the flat surface, a pair of left and right intermediate plates attached to the left end part and the right end part, respectively, to be slideable in the front and rear directions via a first slider mechanism, and a slide plate attached to the pair of left and right intermediate plates to be slideable in the front and rear directions via a second slider mechanism, wherein at least one of the first slider mechanism and the second slider mechanism includes a slide member extending in the front and rear directions, and a sliding member slideably supporting the slide member from both sides of the top and bottom directions and from both sides of the width direction.

Abstract: A portable electronic device, a peripheral expansion module and methods for assembling a peripheral expansion module onto a portable electronic device are provided herein. The portable electronic device may comprise a main housing unit having a front cover and a back cover which, when coupled together, enclose internal components of the portable electronic device. The peripheral expansion module, comprising one or more peripheral devices coupled within or on a peripheral module housing, may be securely integrated with the portable electronic device. A majority of the peripheral expansion module may be positioned outside of the main housing unit along one side of the portable electronic device. In some embodiments, the peripheral expansion module includes a pair of rails, which extend out from within an interior of the module housing for attachment via one or more mechanical fasteners to an interior surface of the main housing unit of the portable electronic device.

Abstract: A chip card ejecting mechanism includes a base body, a push member, a rotating member and an elastic member resisting between the base body and the rotating member. The base body includes a guiding member defining a hole and having a number of guiding rails. Each guiding rail includes a resisting surface and a guiding surface. The push member includes a push rod extending through the hole and a number of active gears. Each active gear defines an active cooperative surface. The rotating member includes a number of the passive gears. Each passive gear includes a passive cooperative surface. When the push member is pressed toward the rotating member by a transient external force, the rotating member compresses the elastic member until the active cooperative surface arrives at the guiding surface, the elastic member releases and drives the passive cooperative gears to slide along the first sliding slot.

Abstract: A lockable infrastructure included a frame assembly, including a first portion of an electrical connector, configured for use within an IT infrastructure. A module assembly, including a second portion of the electrical connector, is configured to be removably positionable within the frame assembly. A locking system is configured to lock the module assembly within the frame assembly in one of a plurality of locked positions.

Abstract: A support unit for a circuit board in a sensor unit comprises a main body that defines an outer contour and includes a first joining geometry and a second joining geometry. The first joining geometry is configured to at least one of guide and electrically contact external contact elements, and includes contact receiving pockets configured to guide the external contact elements, and at least one reinforcement web that separates two adjacent contact receiving pockets. The second joining geometry is configured to join the support unit to the circuit board. The first joining geometry defines at least in part an external interface via which at least one electrical output signal of the circuit board is tapped.

Abstract: An electronic device includes a chassis, a detachable module received in the chassis, and a latching member. The detachable module includes an end plate defining an opening. One end of the latching member is fixed in the detachable module, and the other end of the latching member extends out of the detachable module through the opening. The detachable module defines a through hole. The chassis defines a latching hole corresponding to the through hole. A latching block protrudes out from one side of the latching member and extends through the through hole to engage in the latching hole. A shielding piece comes across to block and shield the opening.

Abstract: An illustrative inventory of vehicle accessory control components includes a plurality of first circuit boards and a plurality of second circuit boards. The first circuit boards each have a substrate with a plurality of circuit elements supported on the substrate. The first circuit board substrates have an overall perimeter shape including an outer edge profile and a plurality of first deviations from the outer edge profile. The second circuit boards each have a substrate with a plurality of circuit elements supported on them. The second circuit board substrates have the overall perimeter shape including the same outer edge profile as the first circuit board substrates. The second circuit board substrates include a plurality of second deviations from the outer edge profile. At least one portion of the second deviations is different than the first deviations of the first circuit boards.

Abstract: A device includes a printed circuit assembly (PCA) including a printed circuit board and at least one electronic component integrated with the printed circuit board, and a support to which the PCA is securable. At least one of the PCA and the support includes engaging structure elements, and some engaging structure elements are configured to secure the PCA to the support while other engaging structure elements are configured to secure the support to a securing structure within a housing of an electronic device.

Abstract: A tool-less printed circuit board (PCB) bracket system for attaching an input/output (I/O) interface PCB to a bulkhead includes a main PCB and card assembly having a bracket mounted to the main PCB. One or more keyhole fasteners are attached to the main PCB for holding the bracket into a fixed position. The card bracket includes a release mechanism for releasably detaching the card bracket assembly from the keyhole fasteners without the use of tools for easily separation and servicing.

Abstract: The present disclosure relates to an electronic card connection device and an electronic device. The electronic card connection device comprises a connector, an electronic card tray and a switch. The connector comprises a terminal housing and a shell, the shell and the terminal housing define a mating space. The electronic card tray being inserted in the mating space, the electronic card tray may comprise an electronic card receiving recess, a mounting block positioned in front of the electronic card receiving recess and an operating handle pivotally connected to the mounting block. The switch may be positioned alongside a rotation range of the operating handle, and partially protrudes into the rotation range allowing rotation of the operating handle to switch the state of the switch.

Abstract: A cable management apparatus for managing a cable includes a mounting bracket slidably receiving the cable and fixing a rear end of the cable, a sliding bar slidably connected to the front end of the cable, and a rotating arm rotatably mounted to the mounting bracket and engaging with the cable. The sliding bar defines a guiding slot, which includes a driving portion extending slantingly relative to a sliding direction of the sliding bar. The rotating arm includes a rod slidably received in the guiding slot of the sliding bar. By sliding the sliding bar forward or rearward, the rod of the rotating arm slides along the driving portion of the guiding slot to rotate the rotating arm forward to stretch the cable or rotate the rotating arm rearward to wind up the cable.