Abstract: A cover restricting mechanism is adapted for use in a foldable electronic device. The cover (10) has a first barrel portion (13) at one end thereof. The cover restricting mechanism includes a blocking element and a cushion device (20). The blocking element is secured to and protrudes out of the first barrel portion of the cover. The cushion device includes a sleeve (21) and an elastic element (22). The sleeve includes an extending portion (216) extending axially thereof. One end of the elastic element is secured on the sleeve. The other end of the elastic element protrudes out of the extending portion of the sleeve and abuts the blocking element.

Abstract: A chip card retaining mechanism for retaining a chip card is mounted in an electronic device. The electronic device includes a housing (20). The housing defines a battery compartment (22) and a cavity (23). The chip card retaining mechanism includes a base (24) and an elastic member (30). The base is formed in the cavity. The base and the housing cooperatively define a receiving space (206) for receiving the chip card. The base has a resisting portion formed at one end thereof and adjacent to the battery compartment. The elastic member is installed in the housing. Upon being received in the receiving space, the chip card is resiliently held between the elastic member and the resisting portion.

Abstract: A foldable electronic device (100) includes a main housing (60) and a cover (80) mounted to the main housing by a hinge (20). The cover is movable between a first position where a side of the main housing is covered by the cover and a second position where the side of the main housing is revealed from the cover. The hinge includes an axle (22), a block (26) retained on the axle with threading engagement therebetween, and an elastic member (24) retained between the axle and the block. When the block is moved to guide the cover to the first position, the elastic member is compressed. When the block is released, the block automatically moves due to decompression of the elastic member to drive the cover to the second position.

Abstract: A strap holding structure (200) for an electronic device (100), which includes a body (20), a cover (10). The body has a knuckle (22) formed at one end thereof. The knuckle has a middle board (226) formed therein. The cover has a barrel (12) formed at one end. The strap holding structure includes a latching element (30) and a strap holder (40). The latching element is attached to the cover at one end. The strap holder has a pole (424) at a first end of the strap holder. A groove (444) is circumferentially defined in an outer wall of the strap holder and two notches (442) are axially defined in the outer wall thereof. The strap holder is engaged in the knuckle and the barrel. The latching element is received in the groove and the middle board is received in the notches.

Abstract: A strap holding structure (200) for an electronic device (100) includes a body (10), a strap holder (22) and a latching element (24). The body defines a receiving portion (12). The receiving porting has a side board (1242). The side board with the receiving portion cooperatively surrounds a space (1244). The strap holder has a pole (228) at one end thereof and two opposite feet (223) extending from another end thereof. A block (226) radially extends from a circumferential wall of the strap holder, and the side board is received in the space. The latching element forms two concave portions (244). Each foot engages with a corresponding concave portion. A stopper (246) perpendicularly protrudes from the latching element, and resists a wall of the receiving portion.

Abstract: A hinge (20) is for joining housings of a foldable electronic device together. The hinge includes an axle (22), a clip (220) at one end of the axle, a spring (24), and a block (26) at an opposite end of the axle. The axle has a screw thread (224) thereon. The block has a screw hole (262) therein. Through engagement of the screw thread in the screw hole, the block is retained on the axle. The spring is retained between the clip and the block. The structure of the hinge is stable, by reason of the connection provided by the axle between the clip and the block. The mobile phone using the hinge can reduce or eliminate damaging impact that would otherwise occur when the cover is opened up from the main housing and reaches an open state.

Abstract: A cover latching assembly (60) for a portable electronic device (100) is provided. The portable electronic device includes a housing (10) and a cover (20) configured for attaching to the housing. The cover has a latching portion (26) formed thereon. The cover latching assembly includes a button (30) and an elastic member (40). The button includes a recessed portion (344), and the button is slidably secured on the housing. The elastic member enables the latching portion of the cover to engage with the recessed portion of the button.

Abstract: A lens cover assembly (200) mounted in an electronic device (300) includes a lens cover (30), and a frame (20). The lens cover includes a base (32), and a column (34) extending from a central area of the base. The base has at least one notch (36) defined therein. The frame has a stepped hole (26) defined by a first circumferential wall (262), a second circumferential wall (264), and a connecting surface (266) connecting the first circumferential wall to the second circumferential wall. At least two blocks (28) extend from the first circumferential wall and overlie the connecting surface. In assembly, the lens cover is received in the stepped hole. Then the base is rotated relative to the frame about an axis of the stepped hole so that the base is sandwiched between the blocks and connecting surface to lock the lens cover in the frame.

Abstract: A battery cover fixing mechanism is provided for coupling a cover (1) to a housing (2) of a portable electronic device. The battery cover fixing mechanism includes a blocking mechanism, an opening (16), a latching mechanism, a slot (20) and a cutout (24). The cover forms the blocking mechanism and defines the opening. The housing defines the slot and the cutout. The latching mechanism includes a block (30), an elastic member (32), a slider (34) having a blocking part, and a holder (36) fixed to the housing. The slider is slidably attached on the holder. The block is fixed on the slider and extends through the cutout and the opening. The blocking mechanism of the cover engages in the slot of the housing and with the blocking part of the slider. Two ends of the elastic member are respectively attached to the holder and the slider.

Abstract: A holder for holding a surface contact card (40) includes a main body (10), a latch (20), a fixing portion (18) and an elastic element (30). The main body defines a receiving groove (16) and a sliding groove (17). The receiving groove is located at one side of the main body. The sliding groove is configured for receiving the surface contact card therein. The latch engages the receiving groove and selectably encloses one end of the surface contact card. The fixing portion is provided on the opposite side of the main body adjacent to the sliding groove. The elastic element sets in the fixing portion and configures for resisting the other end of the surface contact card. The elastic element provides a force allowing removal of the surface contact card.

Abstract: A focus adjusting mechanism (50) for use in a portable electronic device (100) with a lens module (40) is provided. The lens module includes a lens barrel (42) and a lens barrel holder (44). The lens barrel is threaded into the barrel holder. The focus adjusting mechanism includes a driving member (52), a follower (54) and a transmission rod (56). The driving member has a plurality of circumferential teeth (5242) formed thereon. The follower has a plurality of linear teeth (5472) formed thereon. The linear teeth engage with the circumferential teeth for transforming the rotation of the driving member to the linear movement of the follower. The transmission rod is disposed between the follower and the lens barrel to transform the linear movement of the follower into the rotation movement of the lens barrel relative to the lens barrel holder.

Abstract: A battery cover assembly (100) includes a housing (10), a button assembly (20), a driving assembly (30), and a back cover (40). The button assembly includes a button portion (21) and a first latching portion (23). The back cover has a second latching portion (451). The driving assembly is configured for driving the back cover along a second axis. The button assembly is mounted on the housing and is movable along a first axis. The back cover covers the housing and is movable along the second axis. The first latching portion engages with the second latching portion in order to lock it to the back cover. When the button portion is pressed to move along the first axis, the second latching portion disengages from the first latching portion, and the back cover is moved along the second axis, under the force of the driving assembly.

Abstract: A surface contact card holder (200) for an electronic device includes a latching portion (30) and an elastic frame (40). The electronic device has a device body (10) with a receiving groove (20) defined therein for receiving a surface contact card (50) therein and the receiving groove has a card entrance (1002). The latching portion (30) is located adjacent to the card entrance of the receiving groove and the elastic frame is configured for attaching to the device body. The elastic frame has a first frame end (402) located adjacent to the card entrance, and an opposite second frame end (4013). The second frame end has a pressing portion configured for pressing the surface card against the body. The first frame end and the latching portion are configured for sandwiching the surface card therebetween.

Abstract: A chip card retaining mechanism for retaining a chip card is mounted in an electronic device. The electronic device includes a housing (20). The housing defines a battery compartment (22) and a cavity (23). The chip card retaining mechanism includes a base (24) and an elastic member (30). The base is formed in the cavity. The base and the housing cooperatively define a receiving space (206) for receiving the chip card. The base has a resisting portion formed at one end thereof and adjacent to the battery compartment. The elastic member is installed in the housing. Upon being received in the receiving space, the chip card is resiliently held between the elastic member and the resisting portion.

Abstract: A battery cover mechanism comprises a battery cover (10), a housing (20) and a hinge mechanism (30). The battery cover has an installing side (101) and a movable side (102) opposite to the installing side. The housing includes a first surface (201) and a second surface (202) that is opposite to the first surface, and the housing defining a receiving chamber (21) in the first surface. The hinge mechanism rotatably mounts the installing side to the housing, and the cover is rotatable to cover or uncover the receiving chamber.

Abstract: A hinge assembly (200) includes a connecting member (10), two cams (30), two shafts (20), two elastic elements (40) and two barrels (50). The connecting member includes a first sleeve (12), a second sleeve (14) and a connecting sleeve (16) connected between. The first sleeve and the second sleeve each have respective partition boards (104, 144) formed therein. Each partition board includes a plurality of protrusions extending therefrom with a plurality of latching grooves formed between the protrusions. Each cam includes at least one latching block (32) and defines an axial hole (36). Each shaft has a shaft portion (24), and the shaft portion is configured for passing through the axial hole of each cam. Each elastic element provides an elastic force for each cam so as to hold the cam against the protrusions.

Abstract: A holder for holding a surface contact card (40) includes a main body (10), a latch (20), a fixing portion (18) and an elastic element (30). The main body defines a receiving groove (16) and a sliding groove (17). The receiving groove is located at one side of the main body. The sliding groove is configured for receiving the surface contact card therein. The latch engages the receiving groove and selectably encloses one end of the surface contact card. The fixing portion is provided on the opposite side of the main body adjacent to the sliding groove. The elastic element sets in the fixing portion and configures for resisting the other end of the surface contact card. The elastic element provides a force allowing removal of the surface contact card.

Abstract: An exemplary battery cover latching assembly (80) is used in a portable electronic device (100). The portable electronic device has a battery cover and a housing releasably mounted with the battery cover latching assembly. The housing has a cavity. The battery cover latching assembly includes a latching member, a first magnetic member, and a second magnetic member. The latching member is received in the cavity of the housing and is slidable in a first direction. The first magnetic member is mounted to the latching member. The second magnetic member is mounted to the housing. The second magnetic member cooperates with the first magnetic member to create force acting in the first direction to enable the latching member to mount the battery cover to the housing.

Abstract: A foldable electronic device (100) has at least two components hinged together by a hinge assembly. The foldable electronic device includes: a cover (10), a rotating element (20), an elastic element (30) and a frame (40), a set of magnetic elements (50) and a body (60). The rotating element has two notches defined therein. The elastic element has a latching portion. The elastic element is fixed in the rotating element. The frame slidably engages with the rotating element. The frame is engaged with the cover. The rotating element rotatably connects with the body. The magnetic elements make the cover close relative to the body. When the latching portion of the rotating element engages in different notches of the rotating element, magnetic force between the magnetic elements decreases so as to open the cover relative to the body.

Abstract: A surface contact card holder (100) includes a body (10), a frame (30) and a sliding groove (14). The frame is configured for carrying a surface contact card therein. The sliding groove is provided on the body for receiving the frame. The frame is slidably received in the sliding groove to allow insertion and removal of the surface contact card.