Patent ID: 6341873
Filing Date: 2002-01-29
Classification: A45B,Y10S

Abstract:
An umbrella comprising:a shaft; a sliding hub slidably mounted on the shaft; multiple ribs; a spreader pivotally mounted between the sliding hub and each rib; a canopy covering all of the ribs; and an illumination device having a top illumination assembly disposed on a top end of the shaft, a tip illumination assembly disposed on a free end of each rib and a control assembly to provide electrical power to each illumination assembly; wherein the top illumination assembly comprises a transparent connecting tube securely mounted on the top end of the shaft, a transparent tubular member detachably attached to a top end of the connecting tube, an internal wall integrally formed in the tubular member to divide the tubular member into two portions, a first LED received in the tubular member and two electrical wires connected with an anode and a cathode of the first LED respectively; the tip illumination assembly comprises a transparent tip securely attached to a free end of each rib, a conical hole is defined in each tip, an LED received in each tip and two branch electrical wires connected with an anode and cathode of the LED, respectively; each tip has a central hole defined in one end and a ball integrally formed on the other end; a base is received in the central hole of each tip to mount the LED; two prongs extend from the base to connect with the anode and cathode of the LED, respectively; each branch electrical wire is connected to one of the prongs of the base; and the control assembly comprises a control unit disposed in the shaft, an electrical connecting unit connected to the electrical wires connecting to the LED in the top illumination assembly and to the branch electrical wires connecting to the LED in the tip illumination assemblies and two main electrical wires connected between the control unit and the electrical connecting unit, wherein the electrical connecting unit is composed of a first conducting ring and a second conducting ring; the first conducting ring is connected with one of the electrical wires that is connected to the anode of the LED in the top illumination assembly and one of the branch electrical wires that is connected to the anode of the LED in the tip illumination assembly; and the second conducting ring is connected with the other one of the electrical wires that is connected to the cathode of the LED in the top illumination assembly and the other one of the branch electrical wires that is connected to the cathode of the LED in the tip illumination assembly, and wherein each conducting ring has multiple contacts longitudinally extending therefrom; and a connector is mounted on one end of each wire to connect to the contact of the conducting rings.