Abstract: A multiband antenna comprises a ground plane, a substrate, and a radiating metal element, wherein a side of the substrate is substantially adjacent to a side of the ground plane; the radiating metal element is on a surface of the substrate. The radiating metal element comprises a radiating portion having a slit, a shorting portion having a first end electrically connected to the radiating portion and a second end electrically connected to the ground plane, and a feeding portion; the feeding portion comprises an antenna feeding point for electrically connecting to a signal source, wherein a first spacing is formed between the feeding portion and the radiating portion, and a second spacing is formed between the feeding portion and the shorting portion.

Abstract: A musical instrument stand includes a top seat including a seat body and a holding unit. The holding unit includes two pivot members, a torsion spring, and two holding rods. Thus, when the musical instrument is pulled upward relative to the holding unit to detach from the two holding rods of the holding unit, the two pivot members of the holding unit are pushed upward by the restoring force of the torsion spring so that the two pivot members of the holding unit are moved upward to the expanding position, and the two holding rods of the holding unit are moved to space from each other such that the neck of the musical instrument can be removed from the two holding rods of the holding unit easily and conveniently.

Abstract: An adjustment assembly for a satellite antenna has a first bracket, a second bracket, a pivotal bolt and an adjustment device. The second bracket is mounted pivotally on the first bracket. The pivotal bolt is mounted through the first bracket and the second bracket and serves as a fulcrum when the brackets pivot relatively. The adjustment device is mounted between the first bracket and the second bracket and has a positioning fastener, a driving fastener and an adjustment shaft. The positioning fastener is mounted on the first bracket. The driving fastener is mounted on the second bracket. The adjustment shaft is mounted rotatably through the driving fastener and into positioning fastener and has a threaded section and a positioning section. The threaded section allows the driving fastener to move along the adjustment shaft when the adjustment shaft is rotated.

Abstract: A board game includes a board assembly and an operation unit mating with the board assembly. The board assembly includes at least one outer frame, at least one inner board mounted in the outer frame and a plurality of separating edges located in the outer frame and the inner board to separate the outer frame and the inner board respectively. The outer frame of the board assembly includes a plurality of sections which are juxtaposed and combined to form an endless loop. Thus, the outer frame and the inner board of the board assembly co-operate to function as a monopoly and a puzzle so as to enhance the amusement of playing the board game.

Abstract: An effort-saving stapler includes a first activating mechanism including a first connecting section and an abutting ridge, and a second activating mechanism including a ram and an arm including a second connecting section pivotally connecting to the first connecting section at a fulcrum point “A”. The stapler further includes a pushing mechanism including a third connecting section, an anvil, and an abutting ridge contacting with the abutting edge of the first activating mechanism, and with these two abutting ridges defining a contact point “B”. The stapler further includes a magazine including a fourth connecting section pivotally connected to the third connecting section at a second fulcrum point “C”. The fulcrum point “A”, contact point “B” and fulcrum point “C” are in a straight line when bending legs of the staples for closing the staples in an effort-saving way.

Abstract: A shelving unit includes a support frame and a plurality of support boards each detachably mounted on the support frame. The support frame includes a front support bracket, a first connecting bracket having a first end connected with a first end of the front support bracket, a second connecting bracket having a first end connected with a second end of the front support bracket, and a back board having a first end connected with a second end of the first connecting bracket and a second end connected with a second end of the second connecting bracket. Thus, the shelving unit can be assembled and disassembled without using tools, thereby facilitating a user assembling the shelving unit. In addition, the shelving unit can be folded into a smaller volume and reduces the cost of packaging, transportation and storage of the shelving unit.

Abstract: A musical instrument stand includes a telescopic unit, a braking unit and an operation unit. The telescopic unit includes an outer tube and an inner tube. The braking unit includes a mounting sleeve, a plurality of locking pieces, a pressing block and an elastic member. The operation unit includes a connecting bar, a driven block and an operation handle. Thus, the inner tube is movable successively relative to the outer tube by pressing the operation handle and is locked onto the outer tube immediately by releasing the operation handle to adjust the distance between the inner tube and the outer tube so as to adjust the height of the telescopic unit freely so that the height of the musical instrument stand is adjustable in a stepless manner.

Abstract: A tool box includes a housing, a receiving seat pivotally mounted in the housing and having a side provided with a driven gear, a rotation shaft pivotally mounted on the housing and having a side provided with a drive gear meshing with the driven gear, a restoring unit mounted between the rotation shaft and the housing to rotate the rotation shaft outward relative to the housing, and a top cover mounted on the rotation shaft to rotate the rotation shaft. Thus, when the rotation shaft is rotated by the restoring unit, the drive gear is driven by the rotation shaft to rotate the driven gear which rotates the receiving seat so that the receiving seat is rotated outward relative to the housing to expose the tool tips outward from the housing.

Abstract: A pneumatic lift apparatus has a main body including a body tube, with a cross-section of the body tube being neither a perfect circle nor a polygon. A restricting device is slidably mounted on the body tube of the main body, with the body tube restricted not to rotate relative to the restricting device. The restricting device is coupled to an end of a housing, with the main body inserted through the restricting device and received in the housing, with the main body fixed in the housing opposite to the restricting device.

Abstract: A heat sink for a drill press includes a main body having a receiving chamber which has a top provided with a limit tube, a guide unit mounted on the main body, and a sponge mounted in the main body. The guide unit includes an outer tube mounted on the receiving chamber and protruding from the limit tube, a plurality of inner tubes laminating each other and mounted in the outer tube, and a positioning tube mounted between the limit tube and the outer tube and abutting the inner tubes to position the inner tubes in the outer tube. Thus, the guide unit has an adjustable size by provision of the inner tubes and the outer tube so as to fit drill bits of different sizes and specifications, thereby enhancing the versatility of the heat sink.

Abstract: A foldable table includes a stand, a rack, multiple placement boxes, a platform, and a wine storage rack. The stand is foldable. The foldable table can function as a bar table, desk, counter, sink, water tank, cabinet, shelf, wine compartment, by provision of the rack, the placement boxes, the platform and the wine storage rack. The foldable table can be folded when not in use, thereby facilitating packaging, transportation and storage of the foldable table. The foldable table is expanded and folded easily and quickly. The foldable table is folded to have a smaller volume and to have the shape of a luggage, thereby facilitating the user carrying the foldable table.

Abstract: A combination shelf includes a plurality of upright posts, a plurality of mounting sleeves each detachably mounted on the respective upright post, at least one mounting frame mounted between the upright posts and detachably locked onto the mounting sleeves, a plurality of mounting brackets each detachably mounted on the respective upright post, and a plurality of support boards mounted between the upright posts and supported by the mounting frame and the mounting brackets. Thus, the mounting brackets are detachably mounted on the upright posts to support the support boards so that the support boards are selectively mounted between the upright posts, and the number of the support boards can be adjusted freely and randomly according to a user's practical requirement.

Abstract: A shelving unit includes a support frame and a plurality of support boards each mounted on the support frame. The support frame includes a front support bracket, a back board located opposite to the front support bracket, four first connecting tubes each having a first end connected with the respective corner of the front support bracket, and four second connecting tubes each having a first end connected with a second end of the respective first connecting tube and a second end connected with the respective corner of the back board. Thus, the shelving unit can be assembled and disassembled without using tools, thereby facilitating assembling the shelving unit. In addition, the shelving unit can be folded into a smaller overall volume to reduce the cost of packaging, transportation and storage of the shelving unit.

Abstract: An overload clutch (10) for a rotating agitation member (11) for a surface cleaning machine includes a clutch member (12) connected to the agitation member (11) to rotate therewith, a coupling member (20) rotatable relative to the clutch member (12), and a torque lever (40) having an end pivotally mounted to the coupling member (12). The other end of the torque lever (40) is biased to engage with the clutch member (12) such that the agitation member (11) is rotated together with the coupling member (20) when a torque load from the agitation member (11) is not greater than a preset level. The torque lever (40) pivots outward away from the clutch member (12) and disengages from the clutch member (12) to disconnect the torque lever (40) from the clutch member (12) when the torque load from the agitation member (11) is greater than the preset level.

Abstract: A lamp (6) includes a housing (5) mounted to a lamp post (4) and a light-emitting diode module (10) mounted in the housing (5). The light-emitting diode module (10) includes a metal substrate (21) and a plurality of light-emitting diode dies (221) mounted on a face (211) of the metal substrate (21). A jacket (11) has a coupling surface (112) engaged with the other face (212) of the metal substrate (21). A heat conduction pipe (12) includes a portion (123) received in a longitudinal hole (111) of the jacket (11). The coupling surface (112) of the jacket (11) has an opening (114) in communication with the longitudinal hole (111). A portion of an outer periphery (124) of the portion (123) of the heat conduction pipe (12) is in direct, thermal contact with the other face (212) of the metal substrate (21) through the opening (114) of the jacket (11) to absorb heat generated by the light-emitting diode dies (221).

Abstract: An outer operational device includes a cover mounted to a side of a door. An actuating member is mounted in the cover and includes an end engaged with a handle to rotate therewith. A sliding member is slideably received in the cover and operably connected to the actuating member, so that the sliding member slides when the actuating member rotates. A limiting member is pivotably received in the cover between a blocking position not allowing movement of the sliding member and a release position allowing movement of the sliding member. The handle is rotatable when the limiting member is in the release position. The handle is not rotatable when the limiting member is in the blocking position. A key-operable lock core is operably connected to the actuating member, so that the limiting member can be moved to the blocking position to provide a burglarproof function.

Abstract: A cooling plate for a notebook comprises a base, a deck, a support jig, and a mouse piece, wherein the base is axially connected with the deck and includes an air hole formed thereon, the air hole includes a fin and a fixing panel connected therewith, the base also includes a recessed opening adjacent to the air hole, the deck includes a chamber formed on a middle portion thereof and having a number of positioning tabs attached on two sides of the chamber individually, and includes two covers disposed on two sides thereof respectively, each cover includes a cut mounted on an inner side thereof and a plurality of engaging protrusions adjacent to an inner side of a bottom surface thereof, the support jig is pivotally disposed in the opening of the base, and the support jig includes two retaining foots arranged on two sides of the rear end thereof.

Abstract: A woodworking bench includes a table made of granite and mounted on a base of a woodworking machine. A table extension is mounted to a side of the table and made of granite. The side of the table includes two first tracks mounted therein. The table extension includes a side having two second tracks mounted therein and respectively aligned with the first tracks of the table. Two supporting rods each has a first end slidably received in one of the first tracks and a second end slidably received in one of the second tracks. At least one adjusting member is mounted to the second end of each supporting rod for adjusting coplanarity of a top face of the table and a top face of the table extension.