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US 4,982,627 AGranted
Color coded tools
OwnerKen A. Johnsoninventor
Life of this patent
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Abstract
The present invention provides a color code tool identification method for the instant determination of the size of various types of hand tools and small cutting tools such as drill bits. A color chart is provided showing a range of ten colors. Each color indicates a particular numeral. The sequence of the indicated numerals providing a size designation for the tool. The method provides fractional inch size determination and also metric size determination. The method may be used alone or in conjunction with conventional marking methods.
Claims32
A color coded tool size identification system comprising:
- at least one groove formed on the surface of a tool, each said groove being of a predetermined configuration of width to distinguish English from metric sizes;
- a colored material disposed within the groove to form a color ring, said colored material recessed beneath the tool surface and indicating a size numeral;
- a chart defining all ten arabic numerals as indicated by various colors, resulting in infinite size combinations by using as many grooves and colors disposed therein as necessary to define any size;
- and
- particular spacing to define a dividing line between a numerator and denominator of a fraction.
2 more elements
A color coded tool size identification comprising:
- at least one groove formed on a surface of a tool, each said groove being of a predetermined configuration of width to distinguish English from metric sizes;
- a colored material disposed within the groove to form a color ring, said colored material recessed beneath the tool surface and indicating a size numeral;
- a chart defining all ten arabic numerals as indicated by various colors, resulting in infinite size combinations by using as many grooves and colors disposed therein as necessary to define any size;
- and
- showing numerals after a decimal by an interrupted color ring.
2 more elements
Dependencies are inferred from the claim text.