41results about How to "Difficult to replace" patented technology

A battery cover latching assembly (50) is for a portable electronic device (100) including a housing (20), a first cover (10) configured for attaching to a first side of the housing, and a second cover (30) configured for attaching to a second side of the housing. The battery cover latching assembly includes a locking portion (131) and a latch (342). The locking portion is formed on the first cover. The latch is formed on the second cover. The latch includes a body (343) and a button portion (344) extending from the body. The body is engageable with the locking portion so as to lock the first cover and second cover with each other. The button portion is configured so as to be retained by the housing, and is operable to deform the body of the latch so as to unlock the first cover and the second cover.

Disclosed is a method for tuning an antenna module in a portable wireless terminal and built-in antenna module using the same. According to the method and built-in antenna module, the built-in antenna module is provided with a plate type radiator defining a slot with a predetermined width to form a pattern. The plate type radiator is provided with downwardly protruded feed and ground pins that are spaced apart, and at least one passive element having a predetermined value is connected to the radiator to optimally tune the antenna module. Therefore, various frequency response properties of the built-in antenna module can be attained by altering such a passive element as a variable design parameter without changing the radiator. Also, this construction can take the place of a matching circuit in a signal line, such that radiation performance can be increased without insertion loss.

Disclosed is a method for tuning an antenna module in a portable wireless terminal and built-in antenna module using the same. According to the method and built-in antenna module, the built-in antenna module is provided with a plate type radiator defining a slot with a predetermined width to form a pattern. The plate type radiator is provided with downwardly protruded feed and ground pins that are spaced apart, and at least one passive element having a predetermined value is connected to the radiator to optimally tune the antenna module. Therefore, various frequency response properties of the built-in antenna module can be attained by altering such a passive element as a variable design parameter without changing the radiator. Also, this construction can take the place of a matching circuit in a signal line, such that radiation performance can be increased without insertion loss.

An elastic sheet structure includes a plate portion, two wedged portion formed at opposite sides of the plate portion, and a latching portion formed another side of the plate portion. The wedged portion and the latching portion can be formed by bending two extending portions of the plate portion downwardly, the wedged portion is used to resist with a circuit board, the latching portion is for insertion into a hole of the circuit board to latch with the circuit board.

The invention discloses an underwater inclined pulling type suspension tunnel structure. An underwater suspension tunnel, a pair of bank docking structures, an inhaul cable anchoring system, a buoyantweight ratio adjusting system, an anti-collision warning system and an escape system are included. A pair of bank docking structures are located on bank slopes on the two sides correspondingly and connected between the two ends of the underwater suspension tunnel and a pair of land area slope tunnels. The underwater suspension tunnel is formed by connecting a plurality of sections of pipe joints.A both-way single cable face or both-way double cable faces are adopted in the inhaul cable anchoring system, and four inhaul cable receiving wells, four inhaul cable steering piers, an inhaul cablerampway and a plurality of stay cables are included. The buoyant weight ratio adjusting system comprises a tunnel pipe joint inner buoyant weight ratio adjusting device and a bank docking structure inner buoyant weight ratio adjusting device. The anti-collision warning system comprises a warning float device and an underwater warning anchor cable device. The escape system comprises an automatic alarming system, an escape time delay system and an escape path. The underwater inclined pulling type suspension tunnel structure is more reasonable in stress, and influences from construction period unfavorable sea conditions are lowered.

The invention discloses an inclined pull anchor type floating tunnel structure extended by relay of artificial islands. The inclined pull anchor type floating tunnel structure comprises a pair of shore connecting structures, a submerged floating tunnel, the multiple relay artificial islands and a cable anchor system. The pair of shore connecting structures is connected with the two ends of a submerged floating tunnel and is connected between a pair of land-domain ramp tunnels. The submerged floating tunnel is formed by connecting multiple sections of pipe sections; and the relay artificial islands are arranged at intervals in the axis direction of the submerged floating tunnel, so that the whole submerged floating tunnel is divided into a plurality of span-floating tunnels. The cable anchor system comprises a plurality of pairs of cable anchor artificial islands and a plurality of sets of stay cables. The cable anchor artificial islands are arranged in the middle-span positions of twosides of each span-floating tunnel; and each set of stay cables is arranged between each span-floating tunnel and each pair of inhaul cable anchor artificial islands; and a set of island wall inhaul cable pipelines, inhaul cable protective sleeves, a set of inhaul cable steering piers, a cable ramp and a cable anchor pier are arranged on each cable anchor artificial island. The floating tunnel structure enables the length of the submerged floating tunnel to be greatly improved.

A portable electronic module includes a bezel, a glass panel device, a first limiting member, a backlight device, a second limiting member, and a back cover. The glass panel device is fixed onto the bezel. The first limiting member is disposed at a first side of the glass panel device. The backlight device is disposed on the glass panel device. The second limiting member is disposed at a second side of the glass panel device for limiting the backlight device cooperatively with the first limiting member. The back cover covers the backlight device and is detachably connected to the bezel for containing the glass panel device and the backlight device cooperatively with the bezel.

Silver and tin alloy electroplating baths include complexing agents which enable the electroplating of either silver rich or tin rich alloys. The silver and tin alloy electroplating baths are substantially free of lead. They may be used to electroplate silver and tin alloys in the manufacture of electronic components such as electrical connectors, finishing layers for metallic substrates, decorative applications and solder bumps.

A shaft sealing device whose parts can be produced and assembled on a material-by-material basis to enable cost of the parts to be reduced and in which the parts can be disassembled on a material-by-material basis to enable the materials to be reused. A shaft sealing device (1) is composed of a seal section (2), a reinforcement ring (5), and a seal sleeve (10). The seal section (2) is made from a rubber-like elastic material and has a fitting section (4) sealingly fittable on a hole forming surface of a housing (60); a fitting recess section (4B) formed in a region that is from a side surface on the opposite side of to-be-sealed fluid (L) of the fitting section (4) to the to-be-sealed fluid (L) side; an annular seal lip (3) provided on the inner periphery of the fitting section (4); and a seal surface (3A1) provided inside the seal lip (3). The reinforcement ring (5) has a reinforcement section (5) removably fitted in the fitting recess section (4B) of the fitting section (4) and a support section (5B) for supporting the back side of the seal lip (3). The seal sleeve is made from metal or resin and has a sliding seal surface (10D) capable of sliding while in intimate contact with the seal surface (3A1); a first stopper (10A) capable of engaging with the seal lip (3), at one end of the sliding seal surface (10D); a second stopper (10B) capable of engaging with the support section (5B), at the other end, which is on the opposite side of the one end, of the sliding seal surface (10D); and an intimate contact fitting surface (15) sealingly fitting on a rotating shaft (50).

An elastic sheet structure includes an elastic body and a conductive body. The elastic body is capable of elastic deformation, and the conductive body includes a main body, a first elastic arm, and a second elastic arm. The main body is installed into the elastic body; the first elastic arm and the second elastic arm are connected at opposite sides of the main body and extend out from two opposite ends of the elastic body. The first elastic arm is capable of electrically connecting to ground to conduct away static electricity through the second elastic arm, the main body, and the first elastic arm. An electronic device employing the elastic sheet structure is also described.

A reinforcing ring applicator is provided to receive cartridges of reinforcer rings for applying flat, adhesive-coated annular reinforcement rings onto sheets of material about perforations which have been formed in the sheets of material. The reinforcer ring cartridge is a disposable item comprised of an annular backing member releaseably attachable to the reinforcing ring applicator. A reinforcing ring mounting post is frictionally engaged in a central aperture in the annular backing member. The reinforcer mounting post has a cylindrical, corrugated exterior surface and a lower tip formed with a plurality of separate, downwardly and radially inwardly directed, resilient deflectable fingers projecting therefrom. A plurality of flat, annular reinforcing rings are stacked one atop another and are releaseably and frictionally engaged with the mounting post by the corrugations thereof. By pressing downwardly on a plunger of the applicator, the reinforcer ring cartridge backing plate and the reinforcing rings therebeneath are pushed downwardly relative to the reinforcing ring mounting post. The lowermost reinforcing ring is thereupon attached to the upper surface of a flat sheet of material, with the remaining reinforcing rings being shifted longitudinally in incremental steps toward the lower tip of the reinforcer mounting post.

The present invention proposes and invents a replaceable energy-dissipating connection assembly applied to the beam-column connection of the assembled frame. It is composed of rods, restraining parts and connecting parts. One end is connected to the node anchor reinforcement embedded in the column, and the other end is connected to the beam end longitudinal reinforcement embedded in the beam. Under the action of earthquake, the energy-dissipating steel bar yields before other components and components and uses plastic hysteresis to dissipate the seismic energy. This kind of replaceable energy-dissipating connection component is used for the connection of prefabricated beams and columns in prefabricated frame structures. It can induce the plastic damage of the structure to concentrate on the energy-dissipating steel rods under moderate and large earthquakes, and can improve the seismic ductility of the structure while avoiding the damage of beams and columns. For component damage, the structure can be quickly repaired by simply replacing energy-consuming components after an earthquake, so that the post-earthquake repair efficiency of the structure is significantly improved. The application of replaceable energy-consuming connection components meets the requirements of building industrialization development.

A structure is mounted in a gun barrel and includes an adjustment assembly arranged at a front end of the gun barrel, a connection tube arranged in the gun barrel in abutting engagement with the adjustment assembly to be driven by the adjustment assembly for movement, a plurality of thread sections formed on the adjustment assembly and in threading engagement with the gun barrel for fine adjustment of the adjustment assembly, at least one transmission sleeve arranged at one end of the connection tube that is distant from the adjustment assembly, and a press-down member arranged at one side of the transmission sleeve to be abutted on by the transmission sleeve for pressing inwardly of the gun barrel.

A cutting tool, a mounting bracket for the cutting tool, and a rotatable cutting head are provided. The cutting tool includes a saddle portion configured to be secured to a mounting bracket, an aperture extending through the saddle portion, and at least one cutting bit attachment portion. The mounting bracket includes a base having a receiving slot configured to receive a cutting tool, a threaded recess extending at least partially through the base, and a curved bottom surface corresponding to a curvature of a cutting drum. The rotatable cutting head comprises a drive shaft connectable to a drive motor, a drum portion coupled to the drive shaft, the drum portion having a curved outer surface, a plurality of mounting brackets secured to the curved outer surface, and at least one cutting tool having at least one cutting bit attachment portion removably secured to at least one of the mounting brackets.

A wearable device and an electrical connector with magnetic attraction are provided. The wearable device includes a first body and a second body. The first body has a first pivotal structure and two inner walls respectively provided with a first magnetic attraction member and a plurality of first terminal structures. The second body has a second pivotal structure, and is provided with a second magnetic attraction member and a plurality of second terminal structures. When the second pivotal structure is pivotally connected to the first pivotal structure, the second body is rotatable relative to the first body, and the first and second magnetic attraction members are moved by following the first and second bodies. When the first and second magnetic attraction members are magnetically attracted to each other so as to fix the first body and the second body, the first terminal structures contact the second terminal structures.

The invention discloses an intelligent three-category peel box, comprising a mounting frame, a box body is embedded and welded in the middle of the mounting frame, a fire extinguishing component is installed under the sliding rail through an electric sliding block, and a drawing slot is installed inside the drawing slot. The insect trapping component has a scientific and reasonable structure, is safe and convenient to use, and is provided with a fire extinguishing component. When the fire is extinguished, the water liquid is not only sprayed out through the fire sprinkler, but the combustion inhibitor stored in the storage chamber is discharged through the discharge port and the material feed port. Cooperate with water and liquid to effectively extinguish the fire source, and solve the problem that the existing intelligent three-category peel box only relies on water to extinguish fire, and the water tank content in the installation frame is limited, which is easy to cause the fire source to be difficult to extinguish. Mosquitoes are lured by the trap light, so that the mosquitoes are caught by the sticky nets when they are close to the drawing board, which reduces the breeding of mosquitoes in the trash can, and further avoids the spread of infectious diseases caused by the breeding of mosquitoes.

The invention discloses an underwater cable-stayed suspension tunnel structure, which comprises an underwater suspension tunnel, a pair of docking structures, a cable anchorage system, a floating weight ratio adjustment system, an anti-collision warning system and an escape system. A pair of docking bank structures are respectively located on the bank slopes on both sides; a pair of docking bank structures are respectively connected between the two ends of the floating tunnel in the water and a pair of land slope tunnels. The underwater floating tunnel is connected by multiple sections of pipe joints; the cable anchorage system adopts bidirectional single cable plane or bidirectional double cable plane and includes four cable receiving shafts, four sets of cable steering piers, cable ramps and multi-track ramps. Cable; the buoyant weight ratio adjustment system includes the buoyant weight ratio adjustment device in the tunnel pipe section and the buoyant weight ratio adjustment device in the shore structure; the anti-collision warning system includes a warning buoy device and an underwater warning anchor cable device; the escape system includes an automatic alarm system , Escape time extension system and escape path. The underwater cable-stayed floating tunnel structure of the present invention has more reasonable stress and reduces the influence of unfavorable sea conditions during construction.