Suspension tuning device and kit

A suspension tuning kit for attachment to a pair of helical coil springs, each having a plurality of coils, wherein each coil has an outer and an inner diameter, and wherein a distance between one coil and an adjacent coil defines a space, wherein said suspension tuning devices comprises:

• at least two hollow cylindrical microcellular urethane tuning rings, each comprising:
• an outer surface having an outer diameter greater than the outer diameter of the coil spring;
• an inner surface having an inner diameter less than the inner diameter of the coil spring;
• a wall defined by said outer surface and said inner surface;
• a top;
• a bottom;
• a thickness extending between said top and said bottom, wherein said thickness is greater than the space between one coil and the adjacent coil of the spring;
• a slit through said wall, extending between said top and said bottom;
• a top retaining groove disposed into said wall through said top and shaped and dimensioned to accommodate one coil of the spring;
• a bottom retaining groove disposed into said wall through said bottom and shaped and dimensioned to accommodate the adjacent coil of the spring;
• wherein said top retaining groove and said bottom retaining groove are spaced apart such that said tuning ring fits within the space between one coil and the adjacent coil of the spring when one coil is fitted within said top retaining groove and the adjacent coil is fitted within said bottom retaining groove;
• wherein said top retaining groove and said bottom retaining groove each comprise first and second sides and a substantially semicircular bottom;
• and
• means for retaining at least one coil of the spring within at least one of said top retaining groove and said bottom retaining groove, wherein said means for retaining at least one coil of the spring within at least one of said top retaining groove and said bottom retaining groove comprises at least one retaining structure extending from at least one of said first and second sides of at least one of said top retaining groove and said bottom retaining groove.

A suspension spring kit comprising:

• a helical coil spring having a plurality of coils, wherein each coil has an outer diameter and an inner diameter, and wherein a distance between one coil and an adjacent coil defines a space;
• and
• at least one hollow cylindrical microcellular urethane tuning ring comprising:
• an outer surface having an outer diameter greater than said outer diameter of said coil spring;
• an inner surface having an inner diameter less than said inner diameter of said coil spring;
• a wall defined by said outer surface and said inner surface;
• a top;
• a bottom;
• a thickness extending between said top and said bottom, wherein said thickness is greater than said space between said one coil and said adjacent coil of said coil spring;
• a slit through said wall, extending between said top and said bottom;
• a top retaining groove disposed into said wall through said top and shaped and dimensioned to accommodate said one coil of said spring;
• a bottom retaining groove disposed into said wall through said bottom and shaped and dimensioned to accommodate said adjacent coil of said spring;
• wherein said top retaining groove and said bottom retaining groove are spaced apart such that said tuning ring fits within said space between said one coil and said adjacent coil of said coil spring when said one coil is fitted within said top retaining groove and said adjacent coil is fitted within said bottom retaining groove;
• wherein said top retaining groove and said bottom retaining groove each comprise first and second sides and a substantially semicircular bottom;
• and
• means for retaining at least said one coil of said coil spring within at least one of said top retaining groove and said bottom retaining groove, wherein said means for retaining at least one coil of the spring within at least one of said top retaining groove and said bottom retaining groove comprises at least one retaining structure extending from at least one of said first and second sides of at least one of said top retaining groove and said bottom retaining groove.