Self-illuminated case

Details Self-illuminated case Self-illuminated case

1976-11-19

1980-07-01

Bentley, Stephen C.

Illumination

Self powered lamp

Disposable lamp or flexible material casing

362205, 362394, F21L 700, F21V 2304

Patent

active

042109531

ABSTRACT:
This invention relates to a flashlight (1) that may be seen in the dark, (2) which carries a universal mounting on one external wall, and (3) an internal switch adjacent the opposite wall which is elastic and which on pressing will close the switch. By mounting the flashlight above, for example, a keyhole, the flashlight can be seen, and when the outer wall is pressed, the keyhole is illuminated. Moreover, the light bulb within three or four seconds restores the phosphorescent band to luminosity, (reactivation chamber) because part of it is located in a regenerative phosphorescent chamber so that it performs not only the normal lighting function, but regenerates the phosphorescent material on the chamber walls as well. The phosphorescent material, a zinc sulphide or zinc-cadmium sulphide (harmless) has a persistence of glow of two to twelve hours.

REFERENCES:
patent: 3256428 (1966-06-01), Schwartz
patent: 3443084 (1969-05-01), Jammet
patent: 3564761 (1971-02-01), Bear
patent: 3758773 (1973-09-01), Nau
patent: 3796869 (1974-03-01), Stone
patent: 4032773 (1977-06-01), Halliday, Jr. et al.

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