Fluorescent lamp and ferrule
AssigneeOsram-Melco Limited
InventorsMitsuhiro Ikeda, Takashi Osawa, Masaomi Takeda, Koji Kokufu
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Abstract
At the end of life of a fluorescent lamp having a base to which a pin is press-fitted, it is an object to prevent the pin from dropping or slanting, etc. A fluorescent lamp includes a base having a base body and a pin press-fitted to a hole formed on the base body. A pin retaining force (a pin torque of the base) Fe after use by which the base body retains the pin is at least 0.08 Nm after the fluorescent lamp is burned for a rated life, and a rate Fe/Fi of an initial pin retaining force Fi by which the base body retains the pin before use of the fluorescent lamp and the pin retaining force Fe after use is at least 0.66.
Claims17
A fluorescent lamp comprising a base having a base body and a pin press-fitted to a hole formed on the base body, wherein the fluorescent lamp has at least 0.08 Nm of a pin retaining force (a pin torque of the base) Fe after use by which the base body retains the pin when the fluorescent lamp has been burned for a rated life.
A base comprising a base body and a pin press-fitted to a hole formed on the base body;
- wherein a pin retaining force (a pin torque of the base) Fe after use by which the base body retains the pin after burning for a rated life is at least 0.08 Nm.
Dependencies are inferred from the claim text.