Abstract: A Christmas tree light including a plastic lamp holder defining an open chamber, and a bulb fastened to the open chamber of the lamp holder, wherein the lamp holder has two opposite transverse ribs inside the open chamber, the bulb has two opposite engagement faces forced into engagement with the periphery of the open chamber of the lamp holder, and two opposite transverse retaining grooves forced into engagement with the transverse ribs of the lamp holder.

Abstract: The cone of a speaker which has fibers perpendicularly fastened thereto by an electrostatic fiber implanting apparatus to eliminate the reflection of transverse waves between the diaphragm and the peripheral flange of the cone.

Abstract: A connector jacket includes a bottom shell, and an upper shall having one side hinged to one side of the bottom shell. The upper shell is secured to the bottom shell in the closed position to hold a module plug on the inside by hooking respective downward hooks of the upper shell in respective retaining notches at the reduced rear end of the bottom shell and forcing respective toothed retaining rods of the bottom shell into engagement with respective retaining holes on respective retaining blocks at the reduced rear end of the upper shell.

Abstract: A hot/cold water flowrate control device, including a casing having a cold water inlet and a hot water inlet respectively connected a hot/cold water supply system and defining a ball socket, a hollow ball cap fixed to the casing, a ball valve mounted in the ball socket and having a neck extending out of the ball cap and a stepped locating groove on the outside, the stepped locating groove having a deep sliding groove section in the middle, two deep locating groove sections at two opposite sides, and two shadow borderline groove sections disposed between the deep sliding groove section and the deep locating groove sections, a water outlet pipe connected to the neck outside the ball cap, a spring-supported locating rod mounted in the ball socket and moved in a stepped locating groove in the periphery of the ball valve, wherein water is stopped from passing to the water outlet pipe when the locating rod is forced into engagement with one of the locating groove sections of the stepped locating groove; the cold (h

Abstract: An eyelash curler including a body portion having two opposite shoulders at an upper end thereof, each of the shoulders having an opening, an inverted U-shaped frame having two depending legs and a resilient curved cross bar between upper ends of the legs, each of the legs being provided with a protuberance at a lower end thereof and a groove at an inner side thereof, the protuberance being engaged with the opening, a T-shaped pressing member having a resilient curved rod at an upper portion, the curved rod being provided with a resilient strip at a top thereof and slidably engaged with the groove of the inverted U-shaped frame, a handle having an upper end pivotally connected with a lower end of the T-shaped pressing member, and a spring fitted in the body portion and urging against the handle, and a cover engaged with the body portion end having a pair of upwardly extending arms between which there is a slot for receiving the handle, the handle having a lower end pivotally connected with a bottom of the slo

Abstract: An alloy button including a socket member, and a stud for fastening to the socket member to secure it to the cotton fabric of a piece of garment, the socket member having a cylindrical socket body, an axial mounting hole defined within the socket body, a tapered bottom hole at one end of the socket body for guiding the plain end of the stud into the axial mounting hole, a coupling hole at one end of the axial mounting hole remote from the tapered bottom hole for retaining the plain end of the stud, a tapered flange outwardly raised from one end of the socket body around the coupling hole, and a tapered top hole defined within the tapered flange and covered with an ornamental cap.

Abstract: An air conditioner mainframe which includes a base frame having a compressor chamber and a condenser chamber separated by an air intake passage, a shell covered on the front side of the base frame and having an air outlet, a condenser mounted in the condenser chamber around the border, a compressor mounted in the compressor chamber, a fan mounted in an upright fan support inside the condenser chamber, and a top cover covered on the top side of the base frame, wherein the base frame has a plurality of recessed portions at the bottom side around the border, the top cover has a plurality of raised portions at the top side around the border corresponding to the recessed portions of the base frame for permitting a plurality of air conditioner mainframes of the same structure to be connected in a stack by fitting the raised portions of the top cover of one mainframe into the recessed portions of the base frame of another.

Abstract: A clip for securing a heat dissipator to a computer central processing unit is disclosed, including an elongated body made of an elastically deformable material, having a central section to be placed on a top surface of the heat dissipator and two end sections extending from the central section and inclined relative to the top surface of the heat dissipator to define therebetween gaps for accommodating elastic deformation thereof. A vertical extension is provided on the first end section, having a side cutout to define a hook having a side opening for laterally moving into engagement with a first sideways projection on a socket to which the central processing unit is mounted.

Abstract: A sole massager including a housing having a plurality of perforations, a base mounted on a bottom of the housing, a pressure regulating device installed on the base and having a plurality of sliders provided with a plurality of massaging pins aligned with the perforations of the housing, a plurality of acupoint selecting devices arranged into respective sliders, and a sole size adjusting device, whereby a user can control the sole massager to massage his sole as desired.

Abstract: A walking exerciser including two J-shaped frames each provided with a circular disk at an outer end thereof and a pedal at a lower end thereof, a H-shaped frame having two upper ends, two connectors each fixedly mounted on one of the upper ends of the H-shaped frame, each of the connectors including a tubular member having a circular hole, two cylindrical plugs each force-fitted into one end of the tubular member, a first curved member fixedly installed on an upper end of the tubular member, and a second curved member fixedly mounted on a lower end of the tubular member, two shafts each extending through the tubular member, a U-shaped frame having two upper ends each pivotally connected with the first curved member of the connectors, and a handlebar having two arms pivotally connected with the second curved member of the connectors, whereby the walking exerciser can be easily collapsed when not is use.

Abstract: A drawer including four connecting angle plates to connect an upright front board, and upright back board, two upright side boards, and a horizontal bottom board together, wherein each of the connecting angle plates has a first longitudinal mounting groove longitudinally disposed at an inner side along the bottom adapted for mounting the horizontal bottom board, a second longitudinal mounting groove longitudinally disposed at an outer side in the middle adapted for coupling to a sliding track in the table, desk, etc.

Abstract: A free piston internal combustion engine characterized in that the free piston is held by a magnet, fuel and compressed air are injected directly into the combustion chamber to start the engine. A spring is utilized to retract the piston at the beginning of each operating cycle. The movement of the piston and the output power of the hydraulic system are controlled by a computer.

Abstract: Iluminating scissors including a pair of blades pivotally joined in an intermediate portion thereof by a bolt engaged with a hexagonal lock nut and each having a handle at an end thereof, a cylindrical housing mounted on one of the blades, a light bulb arranged in a cylindrical edge of the cylindrical housing, a battery fitted in the cylindrical housing and electrically connected with the light bulb, and a switch mounted on the cylindrical housing and electrically connected with the battery and the light bulb, and a linking rod having a first end connected with the housing and a second end with one of the blades, whereby the illuminating scissors will direct light onto the cutting surface.

Abstract: A wire cover packing ring for securing the wire cover of an electric fan in place, including a plurality of elastic connectors, and a plurality of smoothly arched ring sections connected into a ring by the elastic connectors, each of the smoothly arched ring sections having a plurality of longitudinally spaced tabs at the inside adapted for securing to the wire cover of the electric fan, and two substantially L-shaped hooks at two opposite ends adapted for connecting to the corresponding elastic connectors, each of the elastic connectors having two hook holes at two opposite ends adapted for coupling to the hooks of the smoothly arched ring sections respectively.

Abstract: An air-conditioning fan including a stand, a compressor mounted within the stand, a motor arranged on an upper end of the stand, an impeller fixedly mounted on an output axle of the motor, an evaporator sleeved over the motor, and a condensing case provided with a condenser, an exhaust fan mounted in front of the condenser, and a plurality of air inlets, the condenser being connected with the compressor and the evaporator.

Abstract: A tool handle for hand tools, including: a handle body having a polygonal coupling hole at a front end thereof adapted for holding a tool bit, two raised grip portions and two longitudinal open chambers alternatively arranged around the periphery, each longitudinal open chamber having an upper receiving section, a bottom coupling section, and two grooves in the bottom coupling sections at two opposite ends; and two tool boxes respectively mounted within the longitudinal open chambers of the handle body, each tool box including a box body adapted for loading in the upper receiving section of one longitudinal open chamber of the handle body, two outward coupling flanges bilaterally raised from the box body and adapted for coupling to the bottom coupling section of one longitudinal open chamber of the handle body, two tongues raised from a bottom side of the box body at two opposite ends and adapted for engaging the grooves of one longitudinal open chamber of the handle body, and a plurality of tool holes define

Abstract: An adjustable one-way rotary liquid pumping device including a housing, a cover fixedly engaged with the housing, a first bearing a first bearing fitted in the housing, a second bearing fitted in the cover, an axle extending through the housing and the cover and supported by the two bearings, a rotor fixedly mounted on the axle and having a plurality of pawls, a collar enclosing the rotor, a seat having two protuberances supporting the collar thereby locating the collar at an eccentric position with respect to the axle, a plurality of rollers each fitted between every two of the pawls of the rotor, a plurality of springs urging respective rollers against an inner wall of the housing and an inclined side of the pawls, and an adjustable valve fitted through the housing, the collar, and the seat, whereby the liquid can be pumped in one direction only and the speed of the axle can be adjusted as required.