Abstract: A wheel covering system is disclosed having a first external cover element and a second internal cover element screwed to the first element. The wheel covering system is connected to an hub of a large vehicle such as a truck without relying on lugs provided on the hub for connecting the wheel to the hub. The connection is achieved by relying on bolts used to attach a hub cap (or axle cover) to the axle, without eliminating the hub cap (or axle cover), and at the same time providing a sturdy and robust connection capable of withstanding forces expected to be applied to a wheel cover during its lifetime.

Abstract: An LED lamp assembly includes a reflection cup, a lamp holder and an LED lamp. The reflection cup has a bottom wall with two through holes for insertion of electric wires and at least one locating hole, and a periphery wall defined with the bottom wall a recessed chamber. The lamp holder is mounted on the bottom wall of the reflection cup and located inside the recessed chamber. The lamp holder has a top wall, a peripheral wall extending from the top wall, and at least one mounting leg extending from the periphery wall of the lamp holder and coupled to the at least one locating hole of the reflection cup. The LED lamp is disposed between the top and periphery walls of the lamp holder and provided with two exposed conducting terminals corresponding to the two through holes of the reflection cup for connection with the electric wires.

Abstract: A syringe control device includes a linear reciprocating mechanism and a syringe mechanism. The linear reciprocating mechanism has a power drive including an electric control unit and an actuation rod driven by the power drive to act a linear reciprocating motion. The actuation rod has a first contact portion provided with two electrically conductive contacts electrically connected to the electric control unit. The syringe mechanism has a syringe unit including a second contact portion made of electrically conductive material and corresponding to the first contact portion of the actuation rod. When the first contact portion of the actuation rod contacts the second contact portion during the linear reciprocating motion, a signal will be sent to the electric control unit for controlling the displacement of the actuation rod so as to further control the syringe amount of the syringe unit.

Abstract: An LED lamp includes a base having a receiving groove, a circuit board which is inserted through the receiving groove into the inside of the base and has two through holes, and an LED package having an LED, a shell surrounding the LED and mounted on the base, and two conductive leads electrically connected to the LED, inserted into the base and coupled respectively into the through holes of the circuit board.

Abstract: An analyzer includes a vibration mixer having a carrier for holding solutions or reagents for mixing, a first motion unit for reciprocally moving the carrier in a first direction, and a second motion unit for reciprocally moving the carrier in a second direction perpendicular to the first direction, and a fluid storage and injection mechanism supported on the vibration mixer. The fluid storage and injection mechanism includes a rotary table, a driving member for rotating the rotary table, and a plurality of storage and injection units fastened spacedly to the rotary table. Each storage and injection unit has a storage tank for holding a fluid and an actuating member mounted in the storage tank and movable reciprocally in the storage chamber for forcing the contained fluid out of the storage tank upon movement of the respective storage and injection unit with the rotary table to a predetermined position.