Flashlight with rotatable head assembly

Details Flashlight with rotatable head assembly Flashlight with rotatable head assembly

1990-03-12

1991-03-12

Ostrager, Allen M.

Illumination

Self powered lamp

Cylindrical flashlight casing

F21L 700

Patent

active

049997505

ABSTRACT:
A flashlight includes a cylindrical casing containing a battery. A bulb is slidably disposed in a socket member carried in the casing, and a head assembly is rotatably mounted on one end of the casing. The bulb has an annular flange forming an electrical terminal. The head assembly has a preloaded pressure pad arranged for engaging the bulb flange. When the head assembly is rotated in one direction, the bulb is moved toward the battery and the bulb flange is moved into contact with another electrical terminal in the casing. This closes an electrical circuit connecting the battery and the bulb, illuminating the bulb. A spring carried by the socket member is disposed between the battery and the bulb. When the head assembly is rotated in the opposite direction, the spring urges the bulb away from the battery and moves the bulb flange out of contact with the electrical terminal in the casing. This opens the electrical circuit between the battery and the bulb, extinguishing the bulb.

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