Abstract: A mold for manufacturing an artificial shuttlecock from a semi-finished shuttlecock includes a male mold and a female mold. The male mold includes a cone frustum and a plurality of first annular grooves. The semi-finished shuttlecock is placed on an outside of the cone frustum. The first annular grooves are disposed apart on the outside of the cone frustum. The female mold includes a tapered slot, a plurality of second annular grooves and an injection channel. The second annular grooves are disposed apart on an inner surface of the tapered slot. When the semi-finished shuttlecock and the male mold are placed into the female mold, each of the first annular grooves corresponds to each of the second annular grooves to form a plurality of molded grooves. The injection channel communicates with the second annular grooves, and the molded grooves communicate with the injection channel through the second annular grooves.

Abstract: A mold for manufacturing an artificial shuttlecock from a semi-finished shuttlecock includes a male mold and a female mold. The male mold includes a cone frustum and a plurality of first annular grooves. The semi-finished shuttlecock is placed on an outside of the cone frustum. The first annular grooves are disposed apart on the outside of the cone frustum. The female mold includes a tapered slot, a plurality of second annular grooves and an injection channel. The second annular grooves are disposed apart on an inner surface of the tapered slot. When the semi-finished shuttlecock and the male mold are placed into the female mold, each of the first annular grooves corresponds to each of the second annular grooves to form a plurality of molded grooves. The injection channel communicates with the second annular grooves, and the molded grooves communicate with the injection channel through the second annular grooves.

Abstract: The screw remover includes a head portion and a tail portion. The tail portion is coaxial to the head portion and is a frustum. A terminal face is formed at an end of the tail portion remote from the head portion. A diameter of the tail portion is reducing from toward the terminal face. At least one thread is formed on a peripheral face of the tail portion and spirally extends around an axis of the tail portion. At least one groove is formed on the peripheral face of the tail portion and traverses the at least one thread. An end of the at least one groove extends to the terminal face. Thereby, the screw can be rotated to remove by a driving tool when the tail portion is inserted into the screw and the head portion is connected to the driving tool.

Abstract: An aluminum-cobalt-chromium-iron-nickel-silicon alloy has atomic percentages of 4-12 at % aluminum, 15-25 at % cobalt, 25-35 at % chromium, 4-8 at % iron, 15-25 at % nickel, 10-25 at % silicon, wherein the atomic percentage of aluminum plus silicon is between 18-32 at %. The disclosure applies the alloy design to develop a low-aluminum Al—Co—Cr—Fe—Ni—Si alloy composition, and has high-temperature hardness, high wear resistance, corrosion resistance and high temperature oxidation resistance.

Abstract: An aluminum-cobalt-chromium-iron-nickel-silicon alloy has atomic percentages of 4-12 at % aluminum, 15-25 at % cobalt, 25-35 at % chromium, 4-8 at % iron, 15-25 at % nickel, 10-25 at % silicon, wherein the atomic percentage of aluminum plus silicon is between 18-32 at %. The disclosure applies the alloy design to develop a low-aluminum Al—Co—Cr—Fe—Ni—Si alloy composition, and has high-temperature hardness, high wear resistance, corrosion resistance and high temperature oxidation resistance.

Abstract: A tool holder contains: a connector and a fixer. The connector includes at least one body, and each of the at least one body has a first side plate, a second side plate, and a connection plate. The first side plate has a first fitting portion, and the second side plate has a second fitting portion. The first fitting portion and the second fitting portion define a square fitting zone, and the first side plate further has a first locking projection. Between the first fitting portion and the second fitting portion is defined a cavity so that the first fitting portion and the second fitting portion deform inwardly, and so that the first locking projection retract into the fitting zone. The fixer is housed in the cavity of the connector to limit an inward deformation of the first fitting portion and the second fitting portion.

Abstract: A 3D printing device having a main body, a forming platform, an infrared thermometer, a heater, a thermocouple and a calibrator is provided. A forming chamber is defined in the main body. The forming platform is accommodated in the forming chamber, and a top surface thereof forms a bottom of the forming chamber. A reference surface is defined in the forming chamber, and the reference surface has an infrared radiance approximate to the powder. The infrared thermometer in the main body is disposed above and toward the reference surface. The heater is disposed in the main body to conductively heat the reference surface. The thermocouple is arranged adjacent to the reference surface. The calibrator is electrically connected to the infrared thermometer and the thermocouple to compare respective measured temperatures of the reference surface, and thereby determine if the infrared thermometer should be cleared.

Abstract: An aluminum alloy powder and a manufacturing method of an aluminum alloy object are provided. The aluminum alloy powder includes 96.5-99 wt % of a combination of Al, Si, Cu and Mg and the remainder including Ni and Mn. Moreover, the aluminum alloy powder includes an alloy core and a native oxide layer covering the alloy core.

Abstract: A tool holder contains: a connector and a fixer, the connector includes at least one body, and each of the at least one body has a first side plate, a second side plate, and a connection plate. The first side plate has a first fitting portion, and the second side plate has a second fitting portion, wherein the first fitting portion and the second fitting portion define a square fitting zone, and the first side plate further has a first locking projection, wherein between the first fitting portion and the second fitting portion is defined a cavity so that the first fitting portion and the second fitting portion deform inwardly, and the first locking projection retract into the fitting zone. The fixer is housed in the cavity of the connector so as to limit an inward deformation of the first fitting portion and the second fitting portion.

Abstract: A connecting rod device for tools contains: a base, a connector, and a limiting element. The base includes a fitting portion, an accommodation portion and at least two locking grooves. The connector includes a spherical knob formed on a first end thereof and accommodated in the accommodation portion of the base, and the connector also includes a drive portion arranged on a second end thereof, wherein the spherical knob has at least two receiving grooves defined therein and corresponding to the at least two locking grooves of the base respectively so as to accommodate at least two balls respectively, and the at least two balls rotatably retain with and drives the at least two locking grooves of the base individually. The limiting element is housed in the accommodation portion of the base so as to limit the spherical knob of the connector in the accommodation portion of the base.

Abstract: A tool holder contains: a connector and a fixer. The connector includes at least one body, and each body has a first side plate and a second side plate. The connector also includes a fixing mount connecting with the first side plate and the second side plate. The first side plate has a first fitting portion, and the second side plate has a second fitting portion. The first fitting portion and the second fitting portion define a fitting zone, and the first side plate further has a first locking projection. Among the first side plate, the second side plate and the fixing mount is defined a cavity. The fixer is housed in the cavity of the connector to limit the first side plate and the second side plate to drive the first fitting portion and the second fitting portion to deform.

Abstract: A tool box unit contains: a body, at least one upper cover, at least one drawer, and a controlling mechanism. The body includes at least one first accommodating space defined therein; the at least one upper cover is rotatably fixed on an upper side of the body; the at least one drawer is slidably fixed in the at least one first accommodating space of the body and has at least one receiving portion for accommodating tools. The controlling mechanism includes at least one trench formed on two first side plates of the body, and each trench has a control member fixed therein and at least one hooking element rotatably connected with each side plate, the control member has at least one oblique push face for pushing the at least one hooking element to rotate.

Abstract: A holding device for a tool contains a body, a base, and a limiting mechanism. The body includes an accommodating chamber, a side lid for covering the accommodating chamber, and at least one stop extension extend outwardly from a bottom end of the body. The base includes a fitting seat, at least one locking tab disposed on two sides of the fitting seat and movably corresponding to the at least one stop extension, and a driving insertion arranged on a top end of the fitting seat and inserting into the accommodating chamber. The limiting mechanism includes a confining block connecting with the driving insertion and includes a limitation groove defined on the side lid of the body. The limitation groove has a limiting section formed therein and has an expansion section formed on an open segment of the limiting section.

Abstract: A tool box unit contains: a body, at least one upper cover, at least one drawer, and a controlling mechanism. The body includes at least one first accommodating space defined therein; the at least one upper cover is rotatably fixed on an upper side of the body; the at least one drawer is slidably fixed in the at least one first accommodating space of the body and has at least one receiving portion for accommodating tools. The controlling mechanism includes at least one trench formed on two first side plates of the body, and each trench has a control member fixed therein and at least one hooking element rotatably connected with each side plate, the control member has at least one oblique push face for pushing the at least one hooking element to rotate.

Abstract: A tool box contains: a body, a lifting mechanism, at least one holder, and a controlling mechanism. The lifting mechanism is fixed on the body and includes a rotating assembly and a guiding member. The rotating assembly has a first end disposed in the body and a second end mounted in the guiding member so as to rotate on the body. The at least one holder is used to hold at least one tool set and is mounted on the rotating assembly of the lifting mechanism, such that the at least one holder is driven by the rotating assembly to lift and rotate. The controlling mechanism includes at least one resilient element for driving the rotating assembly to rotate and a control member disposed in the body, such that the rotating assembly of the lifting mechanism is positioned on the body.

Abstract: A handheld illumination device contains a body held by a user and including a through hole defined in the body, a connecting portion formed on a front end of the body, and a holding portion arranged on a rear end of the body; an operating member including a working segment defined on a front end thereof, a shank formed on a rear end of the operating member and inserted into the connecting portion of the body, the shank having a groove defined therein and communicating with the working segment; a lamp module fixed in the holding portion of by using the seat in which a light-emitting element, a battery pack, and a control button are disposed, the light-emitting element emitting light via the through hole and the groove so as to illuminate an work position relative to the working segment of the operating member.

Abstract: A feed and scan module and a multifunctional printer (MFP) using the same are provided. The MFP includes a body with a paper-feeding path therein and a feed and scan module, the feed and scan module is disposed in the body and adjacent to an entrance of the feeding path. The feed and scan module includes a feeding roller chain and an image processing component, the feeding roller chain includes a driving unit and a transparent hollow driving tube assembled with the driving unit. The image processing component is in bar-shape and disposed in the hollow driving tube, and the image processing component is fixed and faces the paper-feeding path. When the hollow driving tube rotates, the image processing component is not driven by the hollow driving tube.

Abstract: A rotary tool box contains a base including a plurality of receiving portions for receiving plural tools and at least one accommodation room for holding at least one driving tool, at least one end of which extends out of the at least one accommodation room; a covering member covered on the base and including at least one orifice defined on a top surface thereof so as to take or place the at least one driving tool, the covering member also including at least one slot formed on an outer surface thereof so that the at least one end of the at least one driving tool extends out of the accommodation room and is engaged.

Abstract: A controllable on/off device for an auxiliary light contains: a lamp module having a body in which a driving unit connecting with an illuminating element, the body including a first conducting piece coupling with a cathode contact point of the driving unit and a second conducting piece coupling with a negative contact point of the driving unit; a base fixed under the lamp module and including a conduction element corresponding to the first conducting piece and the second conducting piece; a pivotal clutch mechanism defined between the lamp module and the base so that the lamp module is axially rotated and shifted between a first rotating range and a second rotating range and drives the lamp module to move vertically, such that the first conducting piece and the second conducting piece are driven to contact with or leave from the conduction element, thus turning on or off the illuminating element.