Illumination – Self powered lamp – Cylindrical flashlight casing
Patent
1988-04-29
1989-09-05
Husar, Stephen F.
Illumination
Self powered lamp
Cylindrical flashlight casing
362116, 362187, 362205, 362207, F21L 700
Patent
active
048644749
ABSTRACT:
A single cell flashlight which comprises a barrel, a tailcap, a head assembly, and a semi-permanently mounted reflector, lens and o-ring within the head assembly; which may be switched on and off by rotation of the head assembly with respect to the barrel; which may be focused upon further rotation of the head assembly with respect to the barrel; which may be used as a source of unfocused, substantially spherical illumination by removal of the head assembly from the barrel; which may be provided with a lanyard or a key ring holder positioned near the head end of the flashlight to provide for simultaneous illumination of a lock as well as its key with one-hand operation of the flashlight; and which is provided with a special tailcap insert for that a single-cell flashlight employing batteries of a "AAA", "AAAA" or special size batteries.
REFERENCES:
patent: 2490830 (1949-12-01), Norton
patent: 2737574 (1956-03-01), Muller
patent: 4472766 (1984-09-01), Hung
patent: 4495511 (1985-01-01), Foltz
patent: 4504890 (1985-03-01), Chan
patent: 4531178 (1985-07-01), Uke
patent: 4581686 (1986-04-01), Nelson
patent: 4658336 (1987-04-01), Maglica
patent: 4725932 (1988-02-01), Gammache
Weston, "Mini Flash Lite", advertisement received in U.S. Patent & Trademark Office, Jul. 11, 1949.
Brinkmann, Micro-Max 1 Package Insert, Copyright 1987, (Photocopies of Flashlight Included in Package and Pictures of Disassembled Flashlight Enclosed).
Husar Stephen F.
Mag Instrument Inc.
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