Abstract: A miniature electron emitter is disclosed. The miniature electron emitter includes a substrate, a first pattern of electrical conductor formed upon the substrate and a second pattern of electrical conductor insulatedly arranged to the first pattern of electrical conductor. An electron emitting part is electrically ohmic connected to the first pattern of electrical conductor and the second pattern of electrical conductor. A dielectric layer may also be mounted on the electron emitting part. A vacuum electronic device comprising the miniature electron emitter is also disclosed.

Abstract: An ink-refillable stamp includes a knob, fixed seat, a moving seat movably connected to the fixed seat, a stamping set securely inserted in the fixing seat and a bottom cover. The stamping set consists of an upper frame and a lower frame combined together. At least one ink-spongy pad and a stamping face are housed in the stamping set. At least one partition strip can be provided in the stamping set to separate the inner space into at least two rooms for filling with ink-spongy pads and inks of different colors therein. A plurality of apertures is defined in the upper frame to let ink to be supplied therefrom. When the ink stored in the stamp is exhausted, the stamp can be cleanly and conveniently refilled by a new ink cartridge wherefrom ink flows through the apertures into the stamping set.

Abstract: A frame assembly is adjustable to fit within a range of desired openings and includes juxtaposed first and second frame units detachably assembled together. An intervening media material is releasably sandwiched between the frame units. The media material defines a slotted perimeter flap that protrudes outwardly beyond at least one outside peripheral edge of the frame units to engage and to seal a space between a perimeter defining the desired opening and the frame assembly. The frame units are detachably engaged by a mounting assembly adapted to secure the frame units over the desired opening.

Abstract: The umbrella has a frame composed of a plurality of ribs, stretchers and a combined panel consisting of a main panel and a secondary panel, wherein, the area of the main panel is smaller than that of the fully expanded ribs of the frame, and the inner edge of the secondary panel matches the outer edge of the main panel. The main and secondary panels concentrically cover the frame, and a plurality of ropes are mounted between the inner edge of the secondary panel and the frame, which are used to increase spaces between the outer edge of the main panel and the inner edge of the secondary panel, and moreover, improve efficiency of air convection, save panel material and simplify manufacturing procedures.

Abstract: A table assembly includes a tabletop including an annular frame, a top having the periphery thereof received in the annular frame, a plurality of L-shaped connectors each having a vertical section received in the annular frame and abutting the bottom surface of the top, and a horizontal section extending outward from the annular frame, and a leg module mounted under the tabletop and including a plurality legs each having its upper end portion detachably secured to the horizontal section of one of the corresponding connectors.

Abstract: A beaker for a sample dyeing machine comprises a hollow beaker body and a longitudinal sliding cylinder with flanges on both its ends. The outer wall of the cylinder is uniformly perforated for wrapping of a sample yarn or cloth to be dyed. A plurality of grooves is separately formed on the periphery of either one of the flanges to guide the flow of a dye solution. An annular passage is formed in the interior of the cylinder from one end to the other for allowing a dye solution to flow between the passage and the perforated wall of the cylinder. The beaker thus constructed can dye a sample uniformly and efficiently due to sufficient contact between a sample and a dye solution. The beaker also comprises a hollow tube outside the beaker body for one-way flow of a dye solution, and/or a dispensing device screwed on the top thereof for liquid addition to the beaker. A sample dyeing machine comprises a plurality of the beakers in a fixed rack.

Abstract: A suspension rack is a rack having a base plate defining at least one hole, at least one suspension plate defining a slot, and at least one fastener member including an abutting plate abutting a first side of the suspension plate. A lug extends from the abutting plate and is received in the slot. A snapping member having a stub extends from the lug and is received in the hole. An enlarged cone-shaped head extends from the stub and abuts a second side of the base plate.

Abstract: An adapter device for a key-in-lever type lock having at least a mounting plate and an escutcheon includes a disk having a central hole defined therethrough so as to receive screw posts, and a split spindle extending from the mounting plate, the disk having a flange extending laterally from a periphery thereof so as to be engaged with a skirt portion of the escutcheon. The disk further has at least one slot and two holes respectively defined therethrough. Two mounting studs each have a threaded protrusion so as to respectively extend through the two holes and to be fixedly connected to the mounting plate.

Abstract: A positioning device for a cylindrical lock includes two first upper protrusions and two first lower protrusions respectively extending from an inside hub of the lock, two second upper protrusions and two second lower protrusions respectively extending from an outside hub. A chassis receiving a retractor therein has two first plates extending from a top surface thereof and two second plates extending from a bottom surface thereof. The two first plates of the chassis are received between the two first upper protrusions and two second upper protrusions, and the two second plates are received between the two first lower protrusions and two second lower protrusions such that the chassis is stationed between the inside and outside hub so as to let a pair of screws extend through these easily.

Abstract: A wringer for a sponge mop has two side plates each respectively mounted on a respective end of a U-shaped body. Two wringing rollers are mounted on the side plates for wringing. Each side plate has a reinforced piece provided therein to increase its rigidity and strength so that the wringer will not be deformed when wringing water out of the wet sponge.

Abstract: An optical fiber connector includes a head lid, a connection head, an interior tube, and an exterior tube combined with each other to enclose an end of an optical fiber. The optical fiber connector in accordance with the present invention includes only a few components. In addition, each component of the optical fiber connector is simple. Accordingly, such an optical fiber connector is easily manufactured, and the manufacture cost is low.

Abstract: A light pen comprises a barrel defining a chamber therein, a cap detachably mounted on the upper end of the barrel having a cavity defined therein, a luminous bar disposed in the cavity of the cap and received in the chamber of the barrel. The luminous bar can be reversed on the barrel to provide a warning.

Abstract: A hinge mechanism includes a pivot axle including a first cylindrical portion and a second cylindrical portion having a diameter smaller than that of the first cylindrical portion, an inner sleeve rotatably mounted on the second cylindrical portion of the pivot axle and including an inner wall containing a first hole for receiving the second cylindrical portion and an outer wall formed with a plurality of juxtaposed locking pieces, a first outer sleeve fixedly mounted on the inner sleeve and including an inner wall containing a second hole 31 for receiving the inner sleeve and an outer wall formed with a retaining block containing a retaining recess connecting to the second hole for receiving the plurality of juxtaposed locking pieces, and a second outer sleeve fixedly mounted on the first cylindrical portion of the pivot axle.

Abstract: A fan assembly includes a housing into which a base is disposed, the base having a tubular portion extending therefrom from which a projection extends, a motor mounted to the tubular portion, a bearing mounted to the projection and a fan blade device having a central hole defined therein so that the bearing is securely engaged with a periphery defining the central hole.

Abstract: An electrical breaker includes a casing with a pushbutton pivotally connected to the top thereof, an alloy plate extending from one of two inside walls of the casing and connected to a first prong extending from the casing, a push member and an L-shaped member pivotally connected to the first end of the pushbutton, a biasing member biasing the push member to let the protrusion of the push member press against the other inside wall which has a recess defined therein. The distal end of the alloy plate is pushed by the push member to contact the second prong when the first end of the pushbutton is pushed, and the distal end of the alloy plate is disengaged from the second prong by the horizontal portion of the L-shaped member when an overload current passes through the alloy plate which curves to push the first end of the pushbutton upwardly.

Abstract: A fruit and vegetable juice extractor includes a motor base, a rotary disk rotatably mounted on the top of the motor base, a housing secured on the top of the motor base and containing a socket defined in the bottom thereof for receiving the rotary disk therein, a funnel-shaped strainer hood rotatably mounted in the housing and having a bottom wall secured to the rotary disk to rotate therewith, and a tapered wall containing a plurality of meshes formed therein, and a cutter disk rotatably mounted in the housing and secured to the bottom wall of the strainer hood to rotate therewith. A cover is mounted to the top of the housing and includes a feed tube having a first end portion extending outward from the cover, and a second end portion extending inward from the cover and located adjacent to the cutter disk, and a baffle device formed in the cover and located adjacent to the cutter disk.

Abstract: A device for locating and adjusting a set of cymbals includes a tri-lobic pedestal connected with a support frame of a cymbal device via a stanchion. The tri-lobic pedestal has a tubular post longitudinally extends substantially from a top face thereof. A resilient pad is mounted around the tubular post and rests on the top face of the tri-lobic pedestal. The resilient pad has three wings pieces formed therewith, each wing piece having a cambered upper surface for supporting a lower cymbal of the cymbal device. A tripod is mounted around the tubular post and between the resilient pad and a lower cymbal of the cymbal device to secure the resilient pad on the tri-lobic pedestal. The tri-lobic pedestal further defines a couterbore in the top face thereof and communicating with a screw hole thereof for receiving a nut in a non-rotatable condition, such that a screw extends therethrough and threadedly engages with the nut.

Abstract: A tool box assembly includes a case, a hollow cover pivotally mounted on the case, a rectangular frame extending inward from an inner periphery of the hollow cover and having two opposite longer sides each transversely containing an elongated guiding groove, and a rectangular swivel tool rack pivotally mounted in the rectangular frame and having two opposite longer sides each formed with a pivot stub slidably received in the guiding groove of one of the two opposite longer sides of the hollow cover.