Wide swath mower convertible for highway travel

• US 3,177,638 A
• Filed: 09/30/1960
• Issued: 04/13/1965
• Est. Priority Date: 09/30/1960
• Status: Expired due to Term

• Current Assignee: Arthur L. Johnson
• Original Assignee: Arthur L. Johnson
• Inventors: Johnson, Arthur L.
• Application Number:
  US04/059,635
• Time in Patent Office: 1,656 Days
• US Class Current: 56/7
• CPC Class Codes: A01B 73/067 to a position essentially rearward of the axis, in relation to the direction of travel
• CPC Class Codes: A01D 34/42 having cutters rotating about a horizontal axis, e.g. cutting-cylinders

Claims

1. IN A MOBILE MOWER, IN COMBINATION, A FOUR WHEELED CHASSIS HAVING A LONGITUDINAL AXIS;

CHASSIS DRIVE MEANS;

AN OPERATOR'"'"''"'"'S POST ON THE CHASSIS;

AN UPSTANDING BRACKET ON ONE SIDE OF THE CHASSIS;

UPPER AND LOWER PARALLEL ARMS PIVOTED ON SAID BRACKET FOR MOVEMENT IN A VERTICAL PLANE WHICH IS SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDNAL AXIS OF THE CHASSIS;

AN UPRIGHT PINTLE SECURED TO THE FREE ENDS OF SAID ARMS AND FORMING A PARALLEL LINKAGE THEREWITH;

A PIVOT BRACKET ON THE BOTTOM OF SAID PINTLE;

A HORIZONTAL PIVOT IN SAID PIVOT BRACKET;

A REEL TYPE MOWER HEAD OF SUBSTANTIAL LENGTH WHICH HAS ITS INNER END SUPPORTED ON SAID HORIZONTAL PIVOT;

A FIRST HYDRAULIC CYLINDER AND PISTON MEANS FORMING AN ADJUSTABLE SUPPORTING LINK BETWEEN THE UPPER PORTION OF THE PINTLE AND AN INTERMEDIATE PORTION OF THE MOWER HEAD, SO THAT ADJUSTMENT OF SAID CYLINDER AND PISTON PROVIDES A FIRST ADJUSTMENT BY TILTING THE MOWER HEAD IN A VERTICAL PLANE ABOUT SAID HORIZONTAL PIVOT;

A SECOND HYDRAULIC CYLINDER AND PISTON MEANS FORMING AN ADJUSTABLE SUPPORTING LINK BETWEEN A PORTION OF THE UPRIGHT BRACKET AND A DIAGONALLY OPPOSITE PARALLEL ARM, SO THAT ADJUSTMENMT OF SAID SECOND CYLINDER AND PISTON PROVIDES A SECOND ADJUSTMENT BY ROCKING THE PARALLEL ARMS ON THEIR PIVOTS TO PRODUCE TRANSLATORY MOTION OF THE MOWER HEAD