Abstract: A phone cable crimping tool is disclosed. The phone cable crimping tool comprises a body part, a first crimping head, a second crimping head, and a rotary unit. The body part comprises a first end and a second end; the first crimping head is connected to the first end of the body part; the second crimping head is connected to the second end of the body part; the rotary unit is pivotally connected to the body part, and the rotary unit is located externally to either the first crimping head or the second crimping head through rotary movements.

Abstract: A method for manufacturing a printed circuit board includes the steps of: providing a base board having a first surface layer; performing a first patterning process to the base board to form a bottom circuit on the first surface layer; forming a metal protection layer on the bottom circuit; performing a second patterning process to the metal protection layer to form a patterned metal protection layer; performing a build-up process to the base board to form a first built-up layer on the bottom circuit and the patterned metal protection layer; performing a third patterning process to the first built-up layer to form a first built-up layer circuit; performing a laser manufacturing process to the first built-up layer to form a cavity structure; and clearing the patterned metal protection layer.

Abstract: A lifting device for a chair includes an upright support post, a tapered locking sleeve adjustably mounted on the support post, a tapered pressing sleeve mounted on the locking sleeve, a stepping ring having a mounting tube which is mounted on the pressing sleeve, and a dustproof cover abutting a top of the mounting tube of the stepping ring and secured on a top of the pressing sleeve. Thus, the pressing sleeve surrounds the locking sleeve to distribute the pressing force evenly, and the locking sleeve surrounds the support post to distribute the pressing force evenly so as to prevent the pressing sleeve and the locking sleeve from being worn out or broken due to a stress concentration and to enhance the lifetime of the lifting device.

Abstract: A fan has a housing with a wire-guiding slot. One of plural connecting members is taken as a line fixed portion having a linking end facing the wire-guiding slot, with the linking end connecting to a section of a peripheral wall of the housing and the section axially aligned with the wire-guiding slot of the housing. A base is coupled to the housing. A power line has one end connected with the connection port and the other end extended beyond the housing via the wire-guiding slot. An impeller is rotatably mounted inside of the housing. Therefore, the line fixed portion can be close to the wire-guiding slot. Thus, the power line can be extended straight through the wire-guiding slot. A distance between the connection port and the wire-guiding slot is shortened to enhance assembling convenience of the power line.

Abstract: A dental floss holder includes a shank (11), an adjusting member (12) pivotally mounted on the shank and a cleaning unit (20) detachably mounted on the adjusting member. Thus, the rotation portion (111) of the shank is rotated relative to the mounting portion (122) of the adjusting member to adjust the inclined angle between the shank and the adjusting member so that the inclined angle between the shank and the cleaning unit is adjusted according to a user's requirement so as to facilitate the user clearing the teeth in different inclined angles.

Abstract: A check vacuum breaking device for a tap includes a locking member screwed into a chamber of a tap. The chamber includes an inlet and an outlet. The locking member includes a cover member secured on a top end thereof and having plural air bores disposed around a rim of the cover member, and a shaft extends downward from a center of a bottom surface of the cover member. A fitting member is assembled to the chamber of the tap and includes a hollow peg extending upward from a central portion thereof and having a closed bottom to be fitted to the shaft of the locking member. The hollow peg includes a stepped recess formed on an upper end thereof, and a stopping pad is fitted to the stepped recess. The fitting member includes an annular loading member fitted to a lower end thereof and an anti-leak loop to cover the loading member.

Abstract: A pressure bandage includes a banding portion having opposite first and second sides. A chamber is formed in the first side of the banding portion. The second side of the banding portion includes a hole in communication with the chamber. A bladder is received in the chamber and receives a fluid. The bladder includes an infiltratable surface permeable to the fluid. The infiltratable surface of the bladder and the first side of the banding portion face the same direction. The fluid received in the bladder is permeable out of the bladder via the infiltratable surface. A control member is engaged with the hole of the banding portion and imparts a pressure to the bladder. The hole can be a screw hole, and the control member includes a knob threadedly engaged with the screw hole such that the knob is rotatable to adjust the pressure imparted to the bladder.

Abstract: A rotation angle limitation device used for a portable electronic device includes a base including a placed portion and at least one positioning portion. A driven element connected to the placed portion is capable of being rotated relative to the base. The driven element has a first position and a second position and is secured by the positioning portion when the driven element is in the second position. An elastic element is disposed between the placed portion and the driven element. A first rotation shaft is pivotally connected to the placed portion and is capable of rotating along a first direction. The first rotation shaft and the driven element move simultaneously. A second rotation shaft is pivotally connected to the first rotation shaft and is capable of rotating along a second direction. At least one cam is connected to the second rotation shaft, and the at least one cam and the second rotation shaft move simultaneously.

Abstract: A wrench includes a handle having first and second ends spaced along a longitudinal axis. The second end of the handle includes a receptacle extending in a radial direction perpendicular to the longitudinal axis. The handle further includes an annular groove intermediate the first and second ends along the longitudinal axis. The second end of the handle is slideably received in an extension. A positioning hole extends from an inner periphery through an outer periphery of the extension. A positioning member is mounted in the receptacle and biased by a spring to extend through the positioning hole, with a portion of the positioning member pressing against the inner periphery of the extension. A resilient retaining member is mounted in the annular groove. An exposed portion of the retaining member outside of the annular groove presses against the inner periphery of the extension when the extension is engaged with the handle.

Abstract: A manually operated prying tool includes a prying head and a handle. The head is defined at its end with an assembling hole in which are disposed a head portion of a handle of the prying tool, a ratchet wheel, a C-shaped ring, a central shaft, a spring and a stopping piece. By pushing the central shaft, the prying tool can be switched into a fixing mode, an adjustment mode, or a rotation operation mode, which allows the user to unidirectionally rotate the tool to perform a micro-angle adjustment between the prying head and the handle of the prying tool, making it convenient to use the tool.

Abstract: A foldable bed includes a plurality of connecting bars, a plurality of support bars, and a plurality of stand units. Each of the stand units includes two pivotally connected support legs each having a first end provided with an upper support portion, a second end provided with a lower support portion, and a middle section provided with a pivot portion. Each of the stand units further includes two clamping brackets each mounted on the respective support leg, and two vibration absorbers each mounted in the respective clamping bracket. Thus, when the two support legs are expanded, each of the vibration absorbers on one of the support legs abuts the pivot portion of the other one of the support legs so that the support legs are combined solidly and stably so as to enhance the structural strength of each of the stand units.

Abstract: An auto winding mechanism for a window blind includes two guide rollers pivotally mounted between an upper seat and a lower seat and connected by an elastic winding tape, and two pull cords wound around the pull cords. Each of the guide rollers has a gear and a bottom disk. The upper seat has a covering edge surrounding the gear of each of the guide rollers. The lower seat has a surface provided with two annular grooves to receive the bottom disk of each of the two guide rollers. Thus, each of the pull cords is protected by the bottom disk of each of the guide rollers so that when the pull cords swing or bump during movement, each of the pull cords will not be jammed between the lower seat and each of the guide rollers.

Abstract: A movable support leg contains a base, a column disposed on the base, a holding surface fixed on the column. The holding surface is fixed and capable of adjusting its height and angle by using first and second rods and the column. A top end of each of the first and the second rods is axially connected with the holding surface by using one screw, and a bottom end of each of the first and the second rods adjusts its height to be fixed on the column.

Abstract: A packaging container includes a body plate defined into front and back faces by a first folding line. The front face includes second and third folding lines. The second and third folding lines define two connection portions. The body plate further includes an enclosing plate. A fourth folding line is located between the front face and the enclosing plate. The back face is folded upwards along the first folding line, and the connection portions are folded inwards along the second and third folding lines. The connection portions are stuck to the back face. A first pre-folding line and a second pre-folding line are located between the second and third folding lines. A fifth pre-folding line and a sixth pre-folding line are located on the back face. Two seventh pre-folding lines and two eighth pre-folding lines are defined.

Abstract: A shock- and moisture-resistant connector assembly includes a first component, a second component, and an antenna. The first component has an end fitted with an adapter. A non-annular fastener is mounted around a connecting section of the adapter for tightly fastening the second component inserted in the first component. The second component is provided therein with at least one watertight O-ring which, after the first and second components are assembled, furnishes moisture and shock resistance to a coaxial cable passing through the second component. The antenna includes a dielectric spacer externally mounted with a coupling element and having an end formed as a shaft. A plastic washer, a wave washer, and a positioning washer are sequentially mounted around the shaft such that the entire assembled antenna has sufficient frictional resistance to maintain restrained displacement during a fine-tuning operation.

Abstract: A stator for a brushless DC motor includes a cylindrical member and a positioning member. The cylindrical member is formed by a plurality of metal wires. Each metal wire includes two ends each forming a terminal. The cylindrical member includes first and second ends separated along a longitudinal axis. The positioning member includes an annular body received in the first end of the cylindrical member and separated from the second end of the cylindrical member along the longitudinal axis. The positioning member maintains a shape of the cylindrical member. The stator can be mounted in a space defined by a housing and a base engaged with the housing, forming a brushless DC motor. A bearing and a circuit board are mounted in the space. The bearing rotatably supports a shaft. A permanent magnet is mounted to the shaft and aligned with the stator.

Abstract: An outdoor LED (light emitting diode) system includes an LED device, a storage battery storing an electric energy therein and connected to the LED device to provide an electric power to the LED device, a solar energy generator connected to the storage battery to provide an electric power to the storage battery, and a wind power generator connected to the storage battery to provide an electric power to the storage battery. Thus, the electric power of the LED device is supplied by two types of natural energy, including the solar energy and the wind energy, to prevent from incurring an environmental pollution so as to satisfy the requirements of environment protection.

Abstract: A display hanging structure hangs a display on the wall. The display has a rear portion, and the display hanging structure includes at least two hangers, a shaft and at least one fixing block. The hangers are disposed at the rear portion, and each hanger has a hole disposed at an identical altitude comparative to the other hole. The shaft is axial shaped and is disposed in the holes. The fixing block is disposed on the wall and contains a slot for receiving the shaft. Whereby, the display may be firmly stuck on the wall by placing the shaft in the slots.

Abstract: A golf bag cart foldable device includes a bottom cart stand having a plate joint in pinned connection with a rear wheel frame to connect to rear wheels and is connected to a bag base. The bottom of the bag base is further joined to a front wheel frame, to connect to the front wheel. An upper cart stand is pivotally connected to the plate joint. A sliding chunk set, slideable along the bottom cart stand, includes an active sliding chunk and a passive sliding chunk. A link set is connected to the upper cart stand, the bottom cart stand, the front wheel frame, the rear wheel frames and the sliding chunk set respectively. A folding joint has a buckle for release of the folding joint. Simultaneous unfolding or folding can be accomplished, followed by locking for the folding joint, to facilitate handiness in use.