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 portable electronic device includes a housing defining a first chamber and a second chamber and forming a separating wall between the first chamber and the second chamber, and a cover attaching to the housing. Two batteries are respectively received in the first chamber and the second chamber.

Abstract: A portable electronic device comprises a cover, a base and a sliding mechanism. The sliding mechanism includes a connecting rod mechanism and a controlling mechanism. The connecting rod mechanism is rotatably mounted between the base and the cover and is configured to rotate the cover relative to the base. The controlling mechanism is configured to control the rotation of the connecting rod mechanism.

Abstract: A battery cover which detachably mounted on a portable electronic device to protect the battery of the portable electronic device. The battery cover includes a main cover and a sliding cover, the sliding cover is slidably mounted on the main cover. Two opposite ends of the main cover and the sliding cover each includes at least one tab or projection protruding there from respectively. The battery cover has a simple structure, and is easy for operating. The invention also includes a portable electronic device using the battery cover.

Abstract: A rotary mechanism includes a base (10), a cover (30), a torsion spring (40) and a locking module (20). The rotary cover is rotatably mounted to the base. Two ends of the torsion spring are fixed with the base and the cover, respectively. The locking module limits the cover from rotating relative to the base. When the cover overcomes the limitation of the locking module, the cover can automatically rotate relative to the base due to the torsion spring.

Abstract: A portable communication device includes a housing body and a display. The housing body includes a hinge portion at one side. A block is formed at each side of the hinge portion. A display forms two knuckles at the other end. Each knuckle forms a plurality of teeth portions, and the hinge portion rotatably connects to the two knuckles. The blocks engage with the teeth portions allowing the display to hold any of a variety of selectable positions relative to the housing body.

Abstract: A hinge assembly includes a positioning module, a connecting module and a rotating module. The positioning module includes a sleeve. The connecting module includes a pivot tube and a shaft. The pivot tube is rotatably attached to the sleeve. The shaft is slidably and rotatably received in the pivot tube. The rotating module is rotatably attached to one end of the shaft.

Abstract: An accessory strap fixing structure is positioned on a portable electronic device to assemble an accessory strap. The accessory strap fixing structure includes an assembling space and a rotary element. The assembling space defined in the portable electronic device. The rotary element is rotatably assembled within the assembling space. The rotary element forms a projection for attaching an end of the accessory strap to allow the accessory strap to pass through the assembling space. The invention also discloses a portable electronic device having the accessory strap fixing structure.

Abstract: A portable electronic device comprises a housing and a chip card ejecting mechanism. The housing has a mounting portion defined therein. The ejecting mechanism includes a holder and a controlling module. The holder is slidably accommodated in the mounting portion of the housing. The controlling module includes a button and an ejecting element. The button releasably secures with the holder in the mounting portion. The ejecting element resistes against the holder to provide an elastic force for driving the holder slid. When the button is pressed, the holder is released and the ejecting element ejects the holder outwardly from the mounted portion of the housing.

Abstract: A rotating mechanism is used for a portable electronic device including a housing body and a display. The rotating mechanism includes a primary plate, a subsidiary plate and the connecting plate. The primary plate is pivotally connected to the housing body. The subsidiary plate is pivotally connected to the primary plate. The connecting plate is rotatably connected to the subsidiary plate. The connecting plate is fixed to the display allowing the display to hold a variety of positions relative to the housing body.

Abstract: A rotary mechanism includes a base (10), a cover (30), a torsion spring (40) and a locking module (60). The cover is rotatably mounted to the base. Two ends of the torsion spring are fixed with the base and the cover respectively. The locking module limits the cover rotation relative to the base. When the cover overcomes the limitation of the locking module, the cover is automatically rotated relative to the base by the torsion spring.

Abstract: A electronic device (100) includes a removable chip card (40) for carrying information, comprise a housing (10) and a ejecting mechanism (30). The housing (10) defines a chamber (12) and a base (14) formed adjacent to the chamber. The chamber (12) is used for accommodating a battery (20) therein. The base (14) is used for receiving the chip card (40) therewith. The ejecting mechanism (30) is mounted in the housing (10) and includes a sliding member (32) and an elastic member (36). When the battery (20) is accommodated in the chamber (12), the chip card (40) is secured between the sliding member (32) and the battery (20). When the battery (20) is removed from the chamber (12), the elastic member (36) biases the sliding member (32) to eject the chip card (40) outwardly from the base (14).

Abstract: A sliding mechanism includes a first plate (32) having a sliding slot (322) and a control slot (325) defined therein. The sliding slot and the control slot having a certain angle therebetween and communicating with each other. A second plate (38) is longitudinally slidably connected to the first plate. The second plate including a sliding member (381) formed on a surface thereof facing the first plate. The sliding member engages with the sliding slot and includes an elastic positioning assembly (389). A control assembly (34) is slidably received in the control slot. A main elastic member (36) has one end thereof being fixed to one end of the sliding slot, the other end thereof being fixed with the sliding member. A portable electronic device (100) using the sliding mechanism is also disclosed.

Abstract: A housing (10) of a portable electronic device includes an upper housing (11), a lower housing (12) and a protecting component (13). The upper housing defines a first latching member (1112) therein. The lower housing defines a second latching member (121) therein. The protecting component is assembled between the upper housing and the lower housing for preventing dust and vapor from entering the electronic device and defines a first latching portion (1313) corresponding to the first latching member and a second latching portion (1314) corresponding to the second latching member. The first latching portion and the second latching member respectively cooperate with the first latching member and the second latching member to assemble the upper housing, the lower housing and the protecting component together.

Abstract: The invention discloses a sealing assembly (40) includes a first sealing member (41) and a second sealing member (46) tightly cooperating with the first sealing member (41). The first sealing member (41) has a first assembling side surface (411), and the second sealing member (46) has a second assembling surface (461) facing the first assembling side surface (411). The first assembling side surface (411) and the second assembling side surface (461) form an assembly hole (43) there between. The invention also provides a sliding cover mechanism (100) using the sealing assembly (40).

Abstract: A rotatable connecting mechanism (100) includes a cover (10), a base (30), a toothed element (20) and an elastic element (24). The cover is rotatably mounted on the base (30). The toothed element (20) on a surface of the cover (10) facing to the base (30). The toothed element (20) defining a plurality of toothed grooves (222) around a peripheral wall thereof. The elastic element (24) having an engaging portion (2422) formed thereon and configured on a surface of the base (30) facing to the cover (10). The engaging portion (2422) rotatably engages 5 the plurality of toothed grooves (222).

Abstract: A portable electronic device comprises a cover member, a body member, and a power generating assembly. The cover member is slidably mounted to the body member. The power generating assembly includes a power generating device and a rack assembly. The power generating device includes a toothed gear and a stator. The toothed gear is rotatably clockwise or counter clockwise mounted to the stator. The stator is fixed to the body member. The rack assembly includes a fastening portion and a rack portion opposite to the fastening portion. The fastening portion is fixed to the cover member. The rack portion meshes with the toothed gear, thus the power generating device driving the rack assembly and the cover member to slide relative to the body member.

Abstract: A sliding mechanism (200) includes a first holding member (18), a housing (14), a sliding member (12), a second holding member (24), a fixable member (22) and a driving device (16). The housing is assembled with the first holding member. The sliding member is fixed to the housing. The second holding member includes a rack (2462) formed thereon. The fixable member is fixed to the second holding member and slidably mounted on the sliding member. The driving device includes a motor (62) fixed on the first holding member and a gear (164) mating with the rack, the motor drives the gear to rotate and drive the fixable member to slide.

Abstract: A rotatable connecting mechanism (100) includes a cover (10), a base (30), a toothed element (20) and an elastic element (24). The cover is rotatably mounted on the base. The toothed element is configured on a surface of the cover facing the base and includes a plurality of slots (224) defined thereon. The elastic element having an engaging portion (2422) formed thereon and configured on a surface of the base facing the cover. The engaging portion rotatably engages with the slots of the toothed element.

Abstract: A battery cover latching assembly is for use in a portable electronic device. The battery cover latching assembly includes a battery cover (10), a housing (40) and a locking member (20). The battery cover has a hook (122) formed on end thereof and a receiving hole (116) defined adjacent the hook. The housing has a catching portion formed on one end thereof. The locking member has an operating portion (22) and a cylindrical post (24) extending from one side of the operating portion. A latching portion (244) extends radially from the post and adjoins the operating portion. The operating portion is received the receiving hole of the battery cover. The post of the locking member is rotatably engaged with the catching portion of the housing. The latching portion of the locking member is releasably locked with the hook of the battery cover.