Title: Adjustable convenient and safety bulb of energy saving
Application Number: 90103946 Application Date: 1990.05.26
Publication Number: 1057129 Publication Date: 1991.12.18
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: H01K1/44,H01K9/04
Applicant(s) Name: Staff Member Technical Cooperation Committee of Gu Address: 530023
Inventor(s) Name: Lu Zhongyuan
Attorney & Agent:
Abstract:
     The invention relates to an electric bulb on the cap of which there are 2 to 6 contactors for easy and safe adjusting of brightness and energy saving. In the cap, there is a hole for fitting of a rotary shaft whereon an adjusting contacting piece and a movable key are fixed. A pull cord is connected to the movable key. With one hand to pull the cord or directly push the key, the adjusting piece will change its contact with different contactors so that the filament of different power will be connected and lighted. The bulb can be plugged in ordinary socket. It has the advantages of simple structure, safety and reliability in adjustment, and convenience in use by both old and young people. The feature of light adjustment as required effects energy saving and a good service to life.
Time: 25
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