Abstract: A torque position-limiting device includes a pivot member affixed to an external substrate, two compressible arms respectively extended from two opposite ends thereof toward each other with a gap defined therebetween and a smoothly curved bearing surface located on an outer side of each elastically compressible arm, and a position-limiting member including a circular pivot hole pivotally coupled to the pivot member, an abutment surface located on an inner perimeter thereof and abutted against each smoothly curved bearing surface of the pivot member and an outer ring gear portion located on an opposing outer perimeter thereof and drivable by an external force to turn the position-limiting member about the pivot member and to further cause generation of a friction force between each smoothly curved bearing surface of the pivot member and the abutment surface of the position-limiting member.

Abstract: A segmental rotation type dual-shaft hinge includes an axle housing defining a first pivot shaft chamber and a second pivot shaft chamber, a first pivot shaft including a first shaft body pivotally coupled to the first pivot shaft chamber, a second pivot shaft including a second shaft body pivotally coupled to the second pivot shaft chamber, and an angle control plate having a first position-limit hole and a second position-limit hole respectively pivotally coupled to the first shaft body and the second shaft body and so configured that the distance from the center of the first position-limit hole to the center of the second position-limit hole is smaller than the distance from the axis of the first shaft body to the axis of the second shaft body, allowing rotation of the first pivot shaft and the second pivot shaft separately and stably.

Abstract: A segmental rotation type dual-shaft hinge includes an axle housing defining a first pivot shaft chamber and a second pivot shaft chamber, a first pivot shaft including a first shaft body pivotally coupled to the first pivot shaft chamber, a second pivot shaft including a second shaft body pivotally coupled to the second pivot shaft chamber, and an angle control plate having a first position-limit hole and a second position-limit hole respectively pivotally coupled to the first shaft body and the second shaft body and so configured that the distance from the center of the first position-limit hole to the center of the second position-limit hole is smaller than the distance from the axis of the first shaft body to the axis of the second shaft body, allowing rotation of the first pivot shaft and the second pivot shaft separately and stably.

Abstract: A hinge having the characteristics of space-saving and ease of installation is disclosed to include a mounting base member affixed to a base member of a flip-up electronic product, female hinge shafts fixedly mounted in the mounting base member, a male hinge shaft rotatably inserted through the female hinge shafts and connectable to a cover member of the flip-up electronic product, and a lever pivotally mounted at the mounting base member and operable to move the male hinge shaft axially relative to the female hinge shafts between a mounting position where the male hinge shaft is fastened to the cover member of the flip-up electronic product and a dismounting position where the male hinge shaft is disconnected from the cover member.

Abstract: A position-limit hinge includes an axle housing, a first hinge shaft, a second hinge shaft, a first position-limit device set and a second position-limit device set. By means of enabling the first position-limit device set and the second position-limit device set to be alternatively changed between a position-limit status and a freely rotatable status, the first hinge shaft is driven to rotate or the axle housing is driven to turn about the second hinge shaft, enabling a cover member of an electronic device carrying the position-limit hinge to be smoothly opened relative to a base member.

Abstract: A dual-shaft hinge connected between a cover member and a base member of a flip-up electronic product is disclosed to include a hinge shaft set including a first hinge shaft having a spirally extended propelling groove, a second hinge shaft having a spirally extended position-limit groove, a female hinge member coupled to the first hinge shaft and the second hinge shaft, a sliding block set having a first protrusion and a second protrusion respectively located at two opposite sides thereof and respectively coupled to the propelling groove and the position-limit groove, and a linkage adapted to limit the rotating angle of the first hinge shaft and the turning angle of the female hinge member about the second hinge shaft, preventing errors in angular difference between the two opposite lateral sides of the cover member and the two opposite lateral sides of the base member.

Abstract: A hinge structure having the characteristics of space-saving and ease of installation is disclosed to include a mounting base member affixed to a base member of a low profile flip-up electronic product, female hinge shafts fixedly mounted in the mounting base member, a male hinge shaft affixed to a cover member of the flip-up electronic product and rotatably and axially movably inserted through the female hinge shafts, and a rotary knob coupled with one end of the male hinge shaft and rotatable to move the male hinge shaft axially relative to the female hinge shafts and the mounting base member.

Abstract: A flip-up electronic product mounting structure includes a base frame shell having a pivot connection portion, a cover frame shell having a mating connection portion and a plug hole located in the mating connection portion, and a hinge including female hinge members fixedly mounted in the pivot connection portion, a male hinge member rotatably and axially movably mounted in the female hinge member with a plug portion located at one end thereof, and a displacement control device operable to move the male hinge member relative to the female hinge member to further engage the plug portion into the plug hole or disengage the plug portion from the plug hole. Thus, the invention facilitates the assembly of the flip-flop electronic product, enabling the flip-flop electronic product to have light, thin, short and small design characteristics.

Abstract: A smoothly openable and closable dual-shaft hinge includes an axle housing, and a pivot shaft set including a first pivot shaft and a second pivot shaft respectively pivotally coupled to first and second pivot shaft chambers of the axle housing and respectively affixed to a cover member and a base member. When the cover member is turned between opposing top side and bottom side of the base member first pivot shaft, the friction resistance produced between the first pivot shaft and the axle housing is different from the friction resistance produced between the second pivot shaft and the axle housing.

Abstract: A planetary type dual-shaft hinge includes a female shaft, a male shaft set including first and second male shafts respectively inserted through the female shaft, and a transmission mechanism including first and second transmission members respectively connected to the first and second male shafts and a link pivotally coupled between the first and second transmission members in such a manner that the pivoting points between the link and the first and second transmission members are disposed at two opposite sides relative to the central axes of the first and second transmission members so that when the user opens the cover member of the flip-up electronic device in which the hinge is used, the first male shaft is turned around the second male shaft to smoothen the movement of the cover member.

Abstract: A dual leaf portable electronic device includes a base member having hinges mounted in a frame shell thereof, a top cover including a bracket and a display screen pivotally coupled to the bracket and having positioning holes on a bottom side thereof and respectively aimed at respective locating holes on the bracket, and positioning devices each including a movable latch having a coupling base pivotally coupled to one respective hinge at an eccentric location and a latch body extended from the coupling base and insertable through one respective locating hole of the bracket into one respective positioning hole of the display screen to lock the display screen to unlock the display screen from the bracket.

Abstract: A dual-shaft hinge includes an axle housing, a pivot shaft set including a first pivot shaft and a second pivot shaft respectively pivotally coupled to the axle housing, a transmission mechanism including a first transmission member connected to the first pivot shaft and a second transmission member connected to the second pivot shaft, and a link connected between the first transmission member and the second transmission member in such a manner that the first pivot shaft and the second pivot shaft are rotatable relative to each other and the axle housing is turnable about the second pivot shaft to prevent the problem of a broken component due to overstress, or the problem of a jammed component.

Abstract: A trigger hinge used in a mobile flip-up electronic device is disclosed to include a female shaft, a male shaft set mounted in the female shaft, and a trigger device mounted at the male shaft set. When the user opens or closes the mobile flip-up electronic device to rotate the male shaft set relative to the female shaft, a pushing and moving piece of the trigger device is moved forward or backward to switching on/off switch, and thereby booting up or shutting down the mobile flip-up electronic device. Thus, the invention enhances the application and convenience of use of mobile flip-up electronic devices.

Abstract: A planetary type dual-shaft hinge includes a female shaft, a male shaft set including first and second male shafts respectively inserted through the female shaft, and a transmission mechanism including first and second transmission members respectively connected to the first and second male shafts and a link pivotally coupled between the first and second transmission members in such a manner that the pivoting points between the link and the first and second transmission members are disposed at two opposite sides relative to the central axes of the first and second transmission members so that when the user opens the cover member of the flip-up electronic device in which the hinge is used, the first male shaft is turned around the second male shaft to smoothen the movement of the cover member.

Abstract: A metal sheet member for insert molding with a plastic member is disclosed having a plurality of bonding portions arranged on the top wall thereof for enhancing the bonding strength of the plastic member to the metal sheet member, each bonding portion including a groove located on the top wall of the metal sheet member and a lug formed of a part of the metal sheet member and obliquely upwardly curved from one end of the groove.

Abstract: A structure of low-profile heat pipe includes a flat heat-transfer pipe head and an elongated flat flow-guide pipe body formed in integrity, a heat-transfer cover plate affixed to the flat heat-transfer pipe head and the elongated flat flow-guide pipe body, a cavity defined in between the flat heat-transfer pipe head and elongated flat flow-guide pipe body and the heat-transfer cover plate and holding a working fluid and defining a condensation side at its one end remote from the flat heat-transfer pipe head and an evaporation side at its other end within the flat heat-transfer pipe head, and a wick structure surrounding and in communication with the cavity.

Abstract: A low-profile composite heat pipe includes a flat plate-like first pipe component shaped like a flat plat member and having flow-guide grooves located at the inner surface between two opposite ends thereof and a wick structure sintered on the surface of the flow-guide grooves, a flat plate-like second pipe component having flow-guide grooves located at the inner surface between two opposite ends thereof and a wick structure sintered on the surface of the flow-guide grooves, an enclosed cavity defined in between the first pipe component and the second pipe component and surrounded by the wick structures of the first and second pipe components, and a working fluid contained in the enclosed cavity.

Abstract: A low-profile heat pipe includes a flat plate-like first pipe component shaped like a flat plat member and having a wick structure sintered to the inner surface thereof, a flat plate-like second pipe component having a wick structure sintered to the inner surface thereof, an enclosed cavity defined in between the first pipe component and the second pipe component and surrounded by the wick structures of the first and second pipe components, and a working fluid contained in the enclosed cavity.

Abstract: A multi-layer plate member bonding structure includes a first plate member having a binding unit protruded from the top surface thereof, a second plate member having one open chamber cut through opposing outer face and bonding face thereof corresponding to the binding unit of the first plate member, and an adhesive filled up the open chamber and cured to form a first stop portion in the relatively greater upper part of the open chamber and a second stop portion in the relatively smaller lower part of the open chamber to secure the first plate member and the second plate member firmly together.

Abstract: A thin-sheet metal member mounting structure includes a body member having retaining grooves spaced around the periphery thereof, and a cover member made of a metal material comprising a base portion attached to the top wall of the body member, a wing portion extending from the border of the base portion at a predetermined angle and attached to the periphery of the body member and a plurality of male fastening devices protruded from and formed of a part of the inside wall of the wing portion remote from the base portion by means of a cutting technique and respectively forced into engagement with the retaining grooves of the body member.