초록 ▼

A marker for delineating boundary and playing lines on an athletic field or the like comprises a hollow elongated keystone shaped body member having converging side walls and an open top face with a clearly colored cushioning member in the upper portion thereof and exposed at the top face so that th

A marker for delineating boundary and playing lines on an athletic field or the like comprises a hollow elongated keystone shaped body member having converging side walls and an open top face with a clearly colored cushioning member in the upper portion thereof and exposed at the top face so that the body member may be embedded in the ground with the cushioning member exposed at ground level.

대표청구항 ▼

In an athletic field having a plurality of boundary and playing lines with the lines indicated by means of a plurality of visible markers, the improvement being each of said markers comprising a hollow elongated body member of substantially longer length than its width whereby an entire athletic fie

In an athletic field having a plurality of boundary and playing lines with the lines indicated by means of a plurality of visible markers, the improvement being each of said markers comprising a hollow elongated body member of substantially longer length than its width whereby an entire athletic field line is delineated by at least one of said markers, said body member being keystone shaped with a bottom wall and converging side walls extending upwardly away from said bottom wall, said body member being open at its top face with said side walls spaced from each other at said top face, a partition mounted within said body member spanning said side walls and dividing said body member into an upper portion and a lower portion, cushioning means in said upper portion of said body member disposed above and supported by said partition, said lower portion of said body member being a hollow chamber, said cushioning means being exposed at said top face, said cushioning means extending away from said bottom wall outwardly beyond said side walls at said top face, said cushioning means comprising an elongated pad of cushioning material, a plurality of drain holes being in said bottom wall and in said side walls below said cushioning means, further drain holes being in said partition below said cushioning means, said cushioning means having a clearly visible color on its surface exposed at said top wall whereby said body member may be mounted below the surface of a field with said exposed surface of said cushioning means disposed at at least ground level to thereby result in a line on the field delineated by said exposed surface of said cushioning means, said cushioning means being bowed upwardly transversely along its length thereof with the bottom surface of its central portion being spaced from said partition and with the longitudinal edges of said cushioning means being in contact with and resting on said partition, and said partition drain holes being in the general area of said central portion of said cushioning means where said cushioning means is bowed away from said partition.