Karl W Macdonald

US Patent:

7877971, Feb 1, 2011

Filed:

Mar 31, 2004

Appl. No.:

10/813078

Inventors:

Patrick Hallinan - Bristow VA, US
Karl W. MacDonald - Center Moriches NY, US
Carl Novak - Moriches NY, US
Joseph Cassella - Middleburgh NY, US
Joseph Basile - Manorville NY, US
James Schreck - Centereach NY, US
Stanley Lewandowski - Manorville NY, US

Assignee:

Department of Veterans Affairs - Washington DC

International Classification:

A01D 75/18

US Classification:

56 104, 56 174

Abstract:

A trimming system for a user-operated ground vehicle capable of performing mowing and trimming operations. The system includes a drive operatively coupled to a drive system of the vehicle having the trimming system mounted thereon, and a trimming unit operatively coupled to the drive for performing edge trimming operations. The drive may include at least one driven pulley operatively coupled to a drive pulley of the vehicle for driving the trimming unit. The drive pulley may be coupled to a mowing unit and the trimming unit to either selectively or simultaneously drive the mowing and trimming units. A guide wheel may be mounted on the vehicle adjacent the trimming unit for maintaining the trimming wires of the trimming unit at a predetermined distance from a stationary object during performance of edge trimming operations.