Illumination – Self powered lamp – With hermetic seal
Patent
1989-05-17
1991-03-26
Husar, Stephen F.
Illumination
Self powered lamp
With hermetic seal
362202, 362207, 362267, F21L 700, F21V 3100
Patent
active
050034405
ABSTRACT:
The flashlight having a conductive barrel and a tailcap insert which provides for enhanced mechanical and electrical contact between the barrel and the batteries, provides for retaining a tailcap spring to the tailcap upon removal of the tailcap from the barrel, provides retainers to prevent the tailcap insert contacts from over radial extension and/or provides a one-way flow seal to permit outflow of gases produced during flashlight operation but to prevent ingress of material from ambient to within the battery housing.
REFERENCES:
patent: 4237526 (1980-12-01), Wood
patent: 4327401 (1982-04-01), Siiberg
patent: 4348715 (1982-09-01), Christensen et al.
patent: 4433366 (1984-02-01), Wade
patent: 4819141 (1989-04-01), Maglica et al.
patent: 4823242 (1989-04-01), Maglica et al.
Husar Stephen F.
Mag Instrument Inc.
Neils Peggy
LandOfFree
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