Modular marking system for athletic fields

Details Modular marking system for athletic fields Modular marking system for athletic fields

1992-05-01

1993-02-16

Yasich, Daniel M.

Signals and indicators

Indicators

Game type

33 1G, 40598, 116209, 116201, 273 25, 273 55R, 273411, A63F 900, G09B 2910, G09F 718

Patent

active

051861194

ABSTRACT:
A modular marking system for permanently marking the playing field on an athletic field with removable upright visible markers containing a variable diameter spring means for attaching an above ground, upright visible marker to a ground anchor. The variable diameter spring means comprises heavy gauge coiled steel having a large diameter coil section disposed within the ground anchor and a small diameter coil section secured within the upright visible marker, where the intermediate diameter reduction area is approximate to ground level to facilitate bending at ground level upon impact from any direction. The ground anchors permanently mark critical intersecting points of playing field lines, where the ground anchors can be used for aligning and visible marking playing field lines and subsequently for supporting the upright visible markers. The modular marking system is particularly useful for permanently marking different playing fields on the sme athletic field.

REFERENCES:
patent: 335579 (1886-02-01), Gutzloe
patent: 3067717 (1962-12-01), Imparato
patent: 3213824 (1965-10-01), Jenkins
patent: 3317168 (1967-05-01), Ziph
patent: 3342157 (1967-09-01), Sexton
patent: 3371647 (1968-03-01), Shopbell
patent: 4532712 (1985-08-01), Vistain
patent: 4787601 (1988-11-01), Rybac
patent: 5014983 (1991-05-01), Saunders

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