Abstract: A portable electronic device includes a cover assembly and a rotating mechanism. The rotating mechanism is mounted to the cover assembly. The rotating mechanism includes a rotating assembly and a driving assembly. The rotating assembly includes a driving wheel and a driven wheel connected to the driving wheel. The driving wheel is connected to the rotating assembly. The driving assembly drives the driven wheel to rotate via the driving wheel, thus giving a user a rotating prompt.

Abstract: A sliding button mechanism includes a housing defining an aperture, a button slidably mounted on the housing and closing the aperture; a conductive and elastic connector member secured on the button; and a circuit board secured in the housing and including a plurality of contact areas. The connector member is positioned between the button and the circuit board. When the button is slid in the aperture, the connector member is driven to selectively contacts with the contact areas to generate different electronic connections.

Abstract: A key mechanism is used in an electronic device, the electronic device includes a housing. The key mechanism includes a key cap made of elastic material. The key cap includes an edge and a protrusion. The edge is waterproofly connected to the housing. The protrusion allows a user to detect the key cap.

Abstract: A card socket assembly used to mount a data card includes a body member, and a controlling member. The body member defines a battery receiving space and a card slot adjacent to the battery receiving space. The card slot is used to receive the data card. The controlling member is used to abut against the data card, thus ejecting the data card out of the card slot.

Abstract: A battery cover latching assembly (50) for a portable electronic device (100) includes a housing (20), a first cover (10) configured for attaching to a first side of the housing, and a second cover (30) configured for attaching to a second side of the housing. The battery cover latching assembly includes a locking portion (131), a latch (342), and a button (40). The locking portion is formed on the first cover. The latch is formed on the second cover, the latch is engageable with the locking portion so as to lock the first cover and second cover with each other. The button is configured so as to be retained by the housing, the button is operable to deform the latch so as to unlock the first cover and the second cover.

Abstract: A battery cover latching assembly (50) is for a portable electronic device (100) including a housing (20), a first cover (10) configured for attaching to a first side of the housing, and a second cover (30) configured for attaching to a second side of the housing. The battery cover latching assembly includes a locking portion (131) and a latch (342). The locking portion is formed on the first cover. The latch is formed on the second cover. The latch includes a body (343) and a button portion (344) extending from the body. The body is engageable with the locking portion so as to lock the first cover and second cover with each other. The button portion is configured so as to be retained by the housing, and is operable to deform the body of the latch so as to unlock the first cover and the second cover.

Abstract: A SIM card holder (200) includes a receiving groove (11) defined in a body (10) and a latch module (12). The body defines a receiving groove configured for receiving a SIM card (20) therein and has a bottom surface at the receiving groove. The latch module includes a holding piece (101) extending from the body and located above the receiving groove, and an elastic element is located adjacent to one end of the receiving groove. The holding piece is separated from the bottom surface along a first axis perpendicular to the bottom surface at a distance essentially equal to a thickness of the SIM card, the elastic element is configured for latching the SIM card in the receiving groove along a second axis parallel to the bottom surface and is configured for being downwardly deformable to release the SIM card.

Abstract: An exemplary surface contact card holder (800) for holding a surface contact card (40) includes a body (10) and a guiding mechanism (20). The body has a receiving space (105) therein. The guiding mechanism is movably provided in the receiving space. The guiding mechanism is configured for selectably one of retaining the surface contact card in the receiving space and withdrawing the surface contact card from the receiving space. The guiding mechanism includes a pulling lever (201) and a spring element (202). One end of the spring element is fixed on the pulling lever and the other end of the spring element resists the body. The spring element is pressed when the guiding mechanism is pushed out from the receiving space. The guiding mechanism automatically returns to its original position by rebounding of the spring element.

Abstract: A holder for holding a surface contact card (100) includes a receiving groove and a latch structure (20). The receiving groove is defined at one side of the main body (10). The latching structure rotatably engages in the receiving groove and is configured for receiving the surface contact card (30) therein.

Abstract: A SIM card holder includes a base (10) and a catching mechanism (20). The base defines a receiving groove (114) and a slot (110). The receiving groove is configured for receiving the SIM card therein. The base comprises a protrusion (108). The protrusion and the slot are arranged at two opposite sides of the receiving groove. The catching mechanism comprises a main board (201) having a bending piece (202) and a bending hem (204) at two opposite ends thereof. The bending piece is detachably engaged with the base, and the bending hem is constantly retained in the slot of the base. The main board comprises an elastic slice resisting the protrusion of the base when the bending piece being engaged with the base. The catching mechanism is movable relative to the base and rotatable about the end of the bending hem when the slice disengages from the protrusion.

Abstract: A surface contact card latching assembly (100) is formed in a portable electronic device. The latching assembly includes a receiving portion (11) and a latch module (12). The receiving portion is configured for receiving the surface contact card, and a first end of the receiving portion forms an entrance (112) via which the surface contact card can enter or exit. The latch module includes a blocking tab (120) and an elastic latch (122). The blocking tab extends from the receiving portion for partially covering the receiving portion. The elastic latch is disposed at the first end of the receiving portion.

Abstract: A holder for holding a surface contact card (100) includes a receiving groove and a latch structure (20). The receiving groove is defined at one side of the main body (10). The latching structure rotatably engages in the receiving groove and is configured for receiving the surface contact card (30) therein.

Abstract: An exemplary surface contact card holder (800) for holding a surface contact card (40) includes a body (10) and a guiding mechanism (20). The body has a receiving space (105) therein. The guiding mechanism is movably provided in the receiving space. The guiding mechanism is configured for selectably one of retaining the surface contact card in the receiving space and withdrawing the surface contact card from the receiving space. The guiding mechanism includes a pulling lever (201) and a spring element (202).

Abstract: A hinge assembly system (200) includes a hinge assembly structure (210) and a driving structure (220). The driving structure includes a driving shaft (50), a gear (60) and a sliding unit (70). The gear engages with the driving shaft in a manner such that the gear may drive the driving shaft to rotate but the driving shaft cannot drive the gear to rotate. The sliding unit includes a rack (72). The rack drives the gear to rotate. The driving structure provides a force allowing the hinge assembly structure to cause the hinge assembly to rotate.

Abstract: A slide mechanism includes a rack gear (10), a bracket (20), a cam assembly (30), and an elastic member (10). The cam assembly is rotatably mounted on the bracket. The cam assembly includes a pinion gear (322). The pinion gear engages with the rack gear. The elastic member is secured on the bracket for providing an elastic force to the pinion gear.

Abstract: A SIM card holder includes a base (10) and a catching mechanism (20). The base defines a receiving groove (114) and a slot (110). The receiving groove is configured for receiving the SIM card therein. The base comprises a protrusion (108). The protrusion and the slot are arranged at two opposite sides of the receiving groove. The catching mechanism comprises a main board (201) having a bending piece (202) and a bending hem (204) at two opposite ends thereof. The bending hem is engaged in the slot. The bending piece is engagable with the base so as to lock the SIM card in the receiving groove. The main board comprises an elastic slice resisting the protrusion when the bending piece is engaged with the base.

Abstract: A battery cover latching assembly (50) is for a portable electronic device (100) including a housing (20), a first cover (10) configured for attaching to a first side of the housing, and a second cover (30) configured for attaching to a second side of the housing. The battery cover latching assembly includes a locking portion (131) and a latch (342). The locking portion is formed on the first cover. The latch is formed on the second cover. The latch includes a body (343) and a button portion (344) extending from the body. The body is engageable with the locking portion so as to lock the first cover and second cover with each other. The button portion is configured so as to be retained by the housing, and is operable to deform the body of the latch so as to unlock the first cover and the second cover.

Abstract: A battery cover latching assembly (50) is for a portable electronic device (100) including a housing (20), a first cover (10) configured for attaching to a first side of the housing, and a second cover (30) configured for attaching to a second side of the housing. The battery cover latching assembly includes a locking portion (114), a resisting portion (342), and a latch (40). The locking portion is formed on the first cover. The resisting portion is formed on the second cover. The latch is attached to the housing and abutting the resisting portion. The latch includes an engaging portion (44) and a button portion (42). The engaging portion is engageable with the locking portion so as to lock the first cover and the housing with each other. The button portion is movable so as to disengage the engaging portion from the locking portion, thereby unlocking the first cover from the housing.

Abstract: A surface contact card latching assembly (100) is formed in a portable electronic device. The latching assembly includes a receiving portion (11) and a latch module (12). The receiving portion is configured for receiving the surface contact card, and a first end of the receiving portion forms an entrance (112) via which the surface contact card can enter or exit. The latch module includes a blocking tab (120) and an elastic latch (122). The blocking tab extends from the receiving portion for partially covering the receiving portion. The elastic latch is disposed at the first end of the receiving portion.

Abstract: A SIM card holder includes a base (10) and a catching mechanism (20). The base defines a receiving groove (114) and a slot (110). The receiving groove is configured for receiving the SIM card therein. The base comprises a protrusion (108). The protrusion and the slot are arranged at two opposite sides of the receiving groove. The catching mechanism comprises a main board (201) having a bending piece (202) and a bending hem (204) at two opposite ends thereof. The bending hem is engaged in the slot. The bending piece is engagable with the base so as to lock the SIM card in the receiving groove. The main board comprises an elastic slice resisting the protrusion when the bending piece is engaged with the base.