Self centering underground mine lamp

Details Self centering underground mine lamp Self centering underground mine lamp

1983-03-21

1984-05-22

Lechert, Jr., Stepehn J.

Illumination

With wearing apparel or body support

Head covering or clamp

362106, 362186, 362188, 362203, 362372, 362375, F21L 1514

Patent

active

044505086

ABSTRACT:
A mine lamp having an improved base structure and envelope that cooperate with the socket and lens of an underground miners head piece to maintain the lamp in a centered position relative to a reflector as the latter is manually adjusted relative to the lamp, and by so doing substantially increasing the light output from the head piece.

REFERENCES:
patent: 1421944 (1922-07-01), Humiston
patent: 1751432 (1930-03-01), Voorhees
patent: 1991753 (1935-02-01), Kurlander

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