Ronald D Gillund

US Patent:

51176203, Jun 2, 1992

Filed:

Feb 11, 1991

Appl. No.:

7/653763

Inventors:

Ronald D. Gillund - Cary IL

Assignee:

Mathews Company - Crystal Lake IL

International Classification:

A01D 5002

US Classification:

56504

Abstract:

A detachable knife assembly having a hanger bracket forming a curved end. The curved end defines an opening large enough to fit the curved end of the hanger bracket over a mounted hanger rod. A retaining bracket is positioned adjacent the hanger bracket and close enough to the curved end of the hanger bracket to enclose and retain the hanger rod within the hanger bracket opening. A knife blade is either a part of or secured to the hanger bracket. The retaining bracket is detachably secured to the hanger bracket. The curved end of the hanger bracket preferably forms a curve about an arc segment of approximately 180. degree.

US Patent:

49308017, Jun 5, 1990

Filed:

Sep 18, 1987

Appl. No.:

7/098483

Inventors:

Ronald D. Gillund - Cary IL

Assignee:

Mathews Company - Crystal Lake IL

International Classification:

B60B 3900
A01B 59043

US Classification:

280481

Abstract:

An implement adapted for connection to a vehicle three point hitch on the front of a pushing vehicle wherein the implement is provided with at least one forward ground contacting rolling support means mounted to a forward portion of the implement frame, at least one rear ground contacting rolling support means mounted to a rear portion of the implement frame, and a rear upper implement hitch connection which provides a vertically pivotal and longitudinally floating link means. The implement and hitch connection of this invention provides an implement capable of being pushed by a vehicle over uneven terrain while providing implement treatment at a predetermined even distance above the uneven terrain.