Illumination – With implement or hand held holder therefor – Hand tool
Reexamination Certificate
2001-04-03
2002-09-24
Sember, Thomas M. (Department: 2875)
Illumination
With implement or hand held holder therefor
Hand tool
C362S253000
Reexamination Certificate
active
06454429
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a hand tool having an illumination structure, and more particularly to hand tool having an illumination structure, wherein the illuminant effect can be easily adjusted by rotation of the metallic rotation knob relative to the metallic handle.
2. Description of the Related Prior Art
The closest prior arts of which the applicant is aware are disclosed in the Taiwanese Patent Publication No. 413124, entitled by “Adjusting Structure of Illuminant Angle of a Socket Wrench”, and Taiwanese Patent Publication No. 398376, entitled by “Illumination Device of a Tool”. However, in the above-mentioned prior art references, the illumination device has to install a conducting plate, an annular conducting member or connecting member to control the switch of the lighting set, and has to assemble separated housings or clip body additionally to clip the body of the illumination device on the handle of the hand tool, so that the entire conventional illumination device has a complicated construction, thereby increasing the cost of fabrication.
SUMMARY OF THE INVENTION
The present invention has arisen to mitigate and/or obviate the disadvantage of the conventional illumination device of a hand tool.
In accordance with the present invention, there is provided a hand tool having an illumination structure, comprising:
a metallic handle having a hollow cavity defined therethrough, the hollow cavity having a first end having an inner wall formed with an annular inner thread, and a second end having an oblique circular hole defined therethrough;
a metallic rotation knob rotatably mounted on a first end of the metallic handle, an insulation threaded column secured on a base of the metallic rotation knob to rotate therewith, and screwed in the annular inner thread of the hollow cavity;
a metallic spring having a first end secured in the insulation threaded column and rested on the base of the metallic rotation knob, and having a second end extended from the insulation threaded column into the hollow cavity;
at least one battery mounted in the hollow cavity and having a first end urged on the second end of the metallic spring;
a bulb received in the oblique circular hole and having one side rested on a second end of the at least one battery; and
a spring member mounted between the bulb and the second end of the at least one battery;
wherein, the metallic rotation knob can be rotated relative to the metallic handle to move between a first position where a peripheral wall of the metallic rotation knob is in contact with a peripheral wall of the first end of the metallic handle, thereby forming an electrical connection state, and a second position where the peripheral wall of the metallic rotation knob is detached from the peripheral wall of the first end of the metallic handle thereby forming an electrical disconnection state.
Preferably, the metallic handle has a second end formed with an arc-shaped recess located at an outlet end of the oblique circular hole.
Preferably, the bulb has a top edge protruding outward from an outlet end of the oblique circular hole.
Preferably, the insulation threaded column has a periphery formed with an annular outer thread.
Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
REFERENCES:
patent: 5899554 (1999-05-01), Hsu
patent: 6106133 (2000-08-01), Lee
patent: 6126295 (2000-10-01), Hillinger
patent: 6283606 (2001-09-01), Wei et al.
patent: 6283607 (2001-09-01), Lin
Connelly Bove Lodge & Hutz
Sember Thomas M.
LandOfFree
Hand tool having an illumination structure does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hand tool having an illumination structure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hand tool having an illumination structure will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2912858