Illumination – Guard means
Patent
1979-11-02
1981-11-03
Lechert, Jr., Stephen J.
Illumination
Guard means
362396, 362427, F21V 1500
Patent
active
042989221
ABSTRACT:
A rotatably adjustable light shield for shielding and suspending a portable trouble lamp is disclosed herein. The light shield generally comprises a cylindrical shield member, a mounting means attached to the bottom end of the shield member for mounting the shield member onto a trouble lamp, and a rotatably adjustable suspension means mounted on top of the shield member for providing a rotatably adjustable suspension mount for the shield. The suspension mount includes a plate having a circular array of detent cavities, a detent ball retainer rotatably mounted over the plate and having at least one detent ball receivable into each of the detent cavities in the plate, and a suspension hook assembly mounted onto the detent ball retainer for suspending the trouble lamp. The detent ball in the detent ball retainer serves both to retain the light beam in any of the angular positions associated with the circular array of detent cavities, and to transmit a tactile indication of the amount of rotary adjustment made when the handle of the trouble lamp connected to the shield is manually rotated relative to the suspension mount.
REFERENCES:
patent: 3808420 (1974-04-01), Gortner
patent: 4019047 (1977-04-01), Frey
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