Illumination – Self powered lamp – Cylindrical flashlight casing
Patent
1991-03-25
1992-08-11
Lazarus, Ira S.
Illumination
Self powered lamp
Cylindrical flashlight casing
362295, 362394, 362802, 315360, 200 60, F21L 700
Patent
active
051385384
ABSTRACT:
A flashlight having a self-extingushing feature that prevents unintentional run-down of its batteries, particularly when used by children, which is achieved by means of a circuit breaking device controlled by a timer, and further having a bypass switch, preferably of a child-proof nature, to override the self-extinguishing feature and thereby improve the utility of such flashlight as an ordinary household flashlight. Optionally, the flalshlight may also have additional "child-proofing" mechanisms such as an interlock to prevent unintended activation of the bypass switch.
REFERENCES:
patent: 3535282 (1970-10-01), Mallory
patent: 3564761 (1971-02-01), Bear et al.
patent: 4464861 (1984-08-01), Fogarty et al.
patent: 4623957 (1986-11-01), Moore et al.
patent: 4875147 (1989-10-01), Auer
patent: 4985813 (1991-01-01), Putman
Abramson Ronald
Lazarus Ira S.
Quach Y.
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