Halogen utility light

Details Halogen utility light Halogen utility light

1999-03-17

2001-01-23

O'Shea, Sandra (Department: 2875)

Illumination

Self powered lamp

Lamp bulb or lamp support axis adjustable or angularly fixed...

C362S197000, C362S287000

Reexamination Certificate

active

06176592

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates generally to a portable lights and, in particular, to a halogen utility light.
Portable lights that can be manually moved and suspended about a work site or the like to aid a user to obtain the best lighting conditions are well known. It has been the practice to use incandescent light bulbs, suitably encased in light guards, for this purpose. Such lights are often referred to as trouble lamps, extension lights, work lights, inspection lights, etc., and are commonly employed by mechanics and other workers who require supplemental light in frequently changing locations. Such a trouble light is shown in the U.S. Pat. No. 4,774,647 to Kovacik et al.
A problem with standard incandescent lights is the size of the bulb and the fragility of the filament. Standard high wattage incandescent bulbs are relatively large and utility lights designed to hold them are proportionally larger. While the amount of light delivered from such lights is significant, large trouble lights are difficult or impossible to maneuver into tight spaces and must be angled to try to have their light penetrate into the desired spot. Unfortunately, such efforts generally create sharp shadows that obscure details. Further, the filament in standard incandescent bulbs is notoriously fragile. Dropping a trouble light with a standard bulb either breaks or fractures the filament making the light inoperable until the bulb is replaced.
SUMMARY OF THE INVENTION
The present invention concerns a halogen utility light comprising: a hollow body having a lower handle portion and an upper light portion. A lamp head is movably connected to the upper light portion; and a halogen bulb is operatively mounted in the lamp head. The lower handle portion of this halogen utility light is preferably curved along the longitudinal axis of the lower handle portion and has a recess containing a push button switch. The lamp head is pivotally connected to the upper light portion and incorporates means for protecting the halogen bulb such as a protective screen or a transparent cover. If a transparent cover is used, the cover may additionally incorporate at least one lenticular region for focusing or diffusing light from the halogen bulb. Means for attaching the lamp may be incorporated in the lower handle portion or the lamp head such as a magnet or a hook for removably attaching the halogen utility light in any desired spot. The light may be configured to use AC or DC halogen bulbs.


REFERENCES:
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