| 摘要 |
PURPOSE: A ball-in lamp cartridge assembly is provided to reduce the number of component by omitting metal bearing which is inserted between spring seat and rotary lamp. CONSTITUTION: A ball-in lamp cartridge assembly comprises a spring guide(1), a thrust lamp(3), a rotary lamp(5), a ball assembly(7), a return spring, and a spring seat. The thrust lamp is inserted inside the spring guide while passing through the spring guide. The rotary lamp is inserted in the spring guide in order to face to the thrust lamp. The ball assembly is allowed in between the rotary lamp and thrust lamp. The return spring is installed in order to supply elastic force between the thrust lamp and spring guide. The spring seat sis combined with the spring guide and directly supports the rotary lamp with one part of the rotary lamp supporting passed through.
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