Abstract: A dual-purpose tire inlet valve connector has a housing, a plunger mounted in a plunger chamber in the housing, multiple steel balls mounted around a periphery of the plunger, a push post and a compression spring mounted inside the plunger, multiple plunger springs mounted between the plunger and the housing, a pressing lever mounted on a top of the housing to abut against a top end of the plunger, and a sealing collar mounted on a bottom of the plunger chamber. The steel balls can be driven by the motion of the plunger and the springs activated by the pressing lever to hold the push post or release the push post for the plunger to abut against and position an American or French tire inlet valve inserted in the dual-purpose tire inlet valve connector to fulfill a universal and fast connection therewith and a smooth air-charging job.

Abstract: An electrical inflator has a cylindrical shell, an electrical aeration pump, an illumination assembly, a cell base and a switch assembly. The cylindrical shell has a tube, a front cover and a rear cover. The electrical aeration pump is mounted in the tube near the front cover and has a gas outlet located in the tube. The illumination assembly is mounted in the tube towards the front cover. The cell base is mounted in the tube behind the electrical aeration pump. The cell base has at least one cell. The switch assembly is mounted in the tube and electrically connects to the cell base, the electrical aeration pump and the illumination assembly.

Abstract: A piston for an air pump has a connecting rod and a sealing valve. The connecting rod has a seat. The seat has a groove and a retaining surface. The groove is defined in an outer surface of the seat. The retaining surface is adjacent to the groove. The sealing valve movably engages the seat of the connecting rod and has an engaging ring and a sealing part. The engaging ring has an inwall which extends into the groove and has an engaging surface facing the retaining surface. The sealing part is connected with the inwall of the engaging ring and sealingly covers the through hole. The sealing valve is not prone to deformation and warpage during the operation of the piston to prevent any operating noise problem.

Abstract: A display panel is provided. The display panel includes a first substrate, a second substrate, a sealing frame set, and a third adhesion portion. The first substrate has an inner surface which includes a superposed area and an exposed area on a side of the superposed area. The second substrate is disposed and superposed on the superposed area; the substrates have a space therebetween. The sealing frame set is located between the substrates and disposed along and insides an edge of the superposed area to enclose the space. The sealing frame set includes first and second sealing frames, wherein the first sealing frame connects the substrates and surrounds the superposed area, the second sealing frame surrounds an outer side of the first sealing frame. A third adhesion portion is located between the first and the second substrates, and between the second sealing frame and the exposed area.

Abstract: An air pump has a main frame, at least one pressure cylinder, a footboard, a torsion spring, a holding device, an outlet device, and an inflating tube. The main frame has a first connecting shaft, a pivot shaft, and a second connecting shaft. The at least one pressure cylinder is mounted in the main frame, and each one of the at least one pressure cylinder has a cylinder and a cylinder axis. The footboard is connected to the pivot shaft. The torsion spring is mounted around the pivot shaft and is pressed against the footboard and the first connecting shaft. The holding device is connected to the main frame and the at least one pressure cylinder, and has multiple first holding elements. The outlet device is mounted in the main frame and is connected to the at least one pressure cylinder. The inflating tube is connected to the outlet tube and is held with the holding device.

Abstract: An air pump has a main frame, a first pressure cylinder, a second pressure cylinder, an outlet device, a footboard, and a pressure relief device. The outlet device is connected to and communicates with the pressure cylinders. The footboard is pivotally connected to the main frame, is securely connected to the pressure cylinders, and has two side panels and a limiting board. The pressure relief device is mounted on the outlet device near the first pressure cylinder and has a base, a ball, an adjusting rod, and an anti-slip-off element. The base is securely mounted on the side face of the outlet device that faces the limiting board, and has a leaking channel. A length of the adjusting rod that extends into the leaking channel of the base is longer than a distance that is defined between the limiting board and the anti-slip-off element.

Abstract: An air pump has a frame, a pedal pivotally mounted on the frame, and a pedal securing device rotatably mounted on the frame to selectively fix the pedal on the frame. The pedal securing device has two knobs and an eccentric shaft. The knobs respectively have a pivot portion and an operational portion mounted on an outer surface of the pivot portion. The eccentric shaft is connected with the knobs and has an eccentric part driven by the operational portion of one of the knobs. A user can turn one of the knobs by foot to drive the eccentric shaft to rotate, and then the eccentric part can selectively engage or disengage a hook of the pedal. Accordingly, the pedal securing device is easy to operate by foot and prevents a hand of the user from being contaminated.

Abstract: A fastening device for combining a pressure gauge on an air pump has a connector, a three-way pipe, a screw and multiple fixers. The connector has a first fool-proof plane and a locating hole. The three-way pipe is mounted on the connector and has a second fool-proof plane facing the first fool-proof plane, a threaded hole being aligned with the locating hole, and multiple retaining holes. The screw is screwed through the threaded hole and a distal end of the screw is inserted into the locating hole to fix the three-way pipe on the connector. The fixers are respectively mounted through the retaining holes and are adapted to fix the pressure gauge on the three-way pipe. Accordingly, the fastening device prevents the pressure gauge from being deflective in its combination position and is easy to assemble and has a low labor cost.

Abstract: A piston for an air pump has a connecting rod and a sealing valve. The connecting rod has a seat. The seat has a groove and a retaining surface. The groove is defined in an outer surface of the seat. The retaining surface is adjacent to the groove. The sealing valve movably engages the seat of the connecting rod and has an engaging ring and a sealing part. The engaging ring has an inwall which extends into the groove and has an engaging surface facing the retaining surface. The sealing part is connected with the inwall of the engaging ring and sealingly covers the through hole. The sealing valve is not prone to deformation and warpage during the operation of the piston to prevent any operating noise problem.

Abstract: A casing apparatus for an air pump has a body and a cap. The body has a housing and a combined portion. The housing is composed of a first semi-housing and a second semi-housing. The combined portion is axially formed on and is protruded from a front end of the housing. The cap is rotatably connected with the body and has an inwall a rotating connecter. The rotating connecter protrudes from the inwall and rotatably engages with the combined portion of the body. The cap is mounted on the front end of the housing and combines the first semi-housing with the second semi-housing without any separate securing device such as screws. To form screw holes in the housing is unnecessary. Therefore, the casing apparatus is easy to install and has a low cost.

Abstract: An air pump cylinder has a mounting bracket, a housing, a cover and an O-ring. The mounting bracket is made of metal and includes a rear wall and opposite sidewalls. The rear wall has a rear projection extending therefrom. Each sidewall has a side projection extending therefrom. The housing is made of metal and is clamped between the sidewalls of the mounting bracket. The cover is hermetically attached to the housing and includes a cap. The cap has a plurality of upper projections extending from an annular sidewall thereof and secured to the projections of the mounting bracket by bolts. The O-ring is compressed between the cover and the housing. Therefore, the structure of the air pump cylinder is simplified and manufacturing time and cost are reduced. Besides, the housing can be firmly held in the mounting bracket, thereby providing improved assembly stability.

Abstract: An air pump cylinder has a housing, a cover and an O-ring. The housing includes a connecting tube. The connecting tube has a plurality of projections extending therefrom. The cover is hermetically engaged with the connecting tube of the housing and includes a cap. The cap has an annular sidewall and a plurality of grooves. The grooves are formed in the annular sidewall and each groove has an axial portion and a locking portion. The projections of the connecting tube of the housing are disposed into the axial portions of the grooves and the cover is then rotated to make the projections engage the locking portions of grooves and to make the O-ring tightly clamped between the connecting tube of the housing and the cap of the cover. Therefore, the air pump cylinder can be easily assembled and manufactured without the use of bolts.

Abstract: The invention provides a liquid crystal display, which includes an LCD panel and a first polarizing film and a second polarizing film respectively formed on the two sides of the LCD panel, wherein the first polarizing film is directly formed on the LCD panel, and the first polarizing film and a second polarizing film respectively includes a polarizer and a first pressure sensitive adhesive (PSA) and a second PSA formed on the two sides of the polarizer, wherein the first PSA is closer to the LCD panel than the second PSA, and the first PSA of the first polarizing film is directly formed on the LCD panel.

Abstract: An inflating nozzle assembly has a housing, two nozzles and a pushing device. The housing has two nozzle chambers and two outlets. The nozzles are mounted respectively in the first nozzle chamber, and one of the nozzles has a nozzle body, a nozzle rod and a spring. The nozzle body has at least one inlet. The nozzle rod is movably mounted in the nozzle body and has a sealing protrusion to divide two communication segments in the nozzle body. The spring is connected to the nozzle rod to keep one of the communication segments of the axial hole from communicating with the at least one inlet in the first nozzle body. Accordingly, an airflow led through the outlets of the housing can be automatically switched by inserting different types of air valves into the corresponding outlets.

Abstract: An air pump has a bracket, a motor, a transmission device and pneumatic cylinder assembly. The bracket is formed from sheet metal and has a backplate, two side plates formed on the backplate and two top plates formed respectively on the side plates. The motor is mounted on the transmission device. The transmission device is mounted on the bracket and is connected to the motor. The pneumatic cylinder assembly is mounted on the bracket and is connected to the transmission device. The bracket formed from sheet metal is light and has a low cost.

Abstract: A pressure gauge has a base, a measuring assembly, a dial and a fastener. The base has a chamber and a side opening communicating with the chamber. The measuring assembly is mounted in the chamber and has a tab mount passing through the side opening. The tab mount has a fixing hole. The dial is disposed on the base, covers the measuring assembly and has a tab and a fastening hole. The tab extends through the side opening of the base. The fastening hole is formed through the tab and aligns with the fixing hole of the tab mount. The fastener is mounted through the fixing hole and the fastening hole and thus fixes the dial without being revealed. Therefore aesthetic appearance of the pressure gauge is improved.

Abstract: An inflating nozzle assembly has a housing, two nozzles and a pushing device. The housing has two nozzle chambers and two outlets. The nozzles are mounted respectively in the first nozzle chamber, and one of the nozzles has a nozzle body, a nozzle rod and a spring. The nozzle body has at least one inlet. The nozzle rod is movably mounted in the nozzle body and has a sealing protrusion to divide two communication segments in the nozzle body. The spring is connected to the nozzle rod to keep one of the communication segments of the axial hole from communicating with the at least one inlet in the first nozzle body. Accordingly, an airflow led through the outlets of the housing can be automatically switched by inserting different types of air valves into the corresponding outlets.

Abstract: An apparatus and method for providing image acquisition and/or image display in a limited region of interest (ROI). The apparatus comprises a micro electro-mechanical system (MEMS), preferably integrating a light source, a cantilever, a lens, an actuator, a light detector, and a position sensor. The light source provides light for illuminating the ROI, displaying an image, providing a therapy, and/or performing other functions. The cantilever comprises a resin waveguide with a fixed end attached to a substrate that supports many or all other components. A free end of the cantilever is released from the substrate during fabrication and includes the lens. The actuator scans the free end in orthogonal directions to illuminate the ROI or display an image. The position sensors detect the position of the free end for control. The light detector receives light backscattered from the ROI separate from, or at the fixed end the cantilever.