James F Rhoads

US Patent:

51879263, Feb 23, 1993

Filed:

Sep 16, 1991

Appl. No.:

7/760732

Inventors:

James F. Rhoads - Boulder CO

International Classification:

A01D 3467
A01D 3474

US Classification:

56 167

Abstract:

A grass line mowing apparatus for cutting boundary lines in the grass of a playing field is provided with a carriage apparatus having a housing with a deck spaced above the ground, a vertical rotary shaft mounted for rotation relative to the housing deck and extending below the deck, and power drive source mounted on the housing deck and drivingly coupled to the rotary shaft to cause rotation thereof. The grass line mowing apparatus includes a line cutting blade assembly fastened to a mounting flange on a lower end of the rotary shaft and capable of cutting a swath of grass of narrow width to define the desired boundary line. The mowing apparatus also includes a gauge and lift assembly secured to a front end of the housing and extending forwardly thereof assist an operator in visually guiding the carriage assembly in alignment with the desired boundary line and being actuatable for adjusting the housing between a forwardly and upwardly inclined position in which the line cutting blade is raised from the grass and a horizontal position in which the line cutting blade is lowered into the grass. The mowing apparatus further includes an arc generating assembly having a flexible member being adjustable to preset its length to permit cutting of a curved boundary line having a radius as determined by the preset length of the flexible member.