Height of cut adjustment system for reel mower
AssigneeDeere & Company
InventorsCarl Steven Silbernagel, David Lawrence Phillips, Truluck Tillman Ammons, III, Richard David Thier, Kenneth Edward Hunt, Ronald Lee Reichen, Brent Gordon Rinhoim
Life of this patent
Estimating the term…
Abstract
A height of cut adjustment system for a reel type grass cutting unit includes adjustment screw mechanisms mounted at each corner of the cutting unit. Linkages between the adjustment screw mechanisms permit driving all of the adjustment screw mechanisms synchronously from a single adjustment point to change the cutting height. The linkages may be worm gear drives or other mechanical linkages.
Claims20
A height of cut adjustment system for a reel type grass cutting unit, comprising:
- a plurality of adjustment screw mechanisms between the cutting unit and ground rollers supporting the cutting unit at a cutting height;
- and
- a mechanical linkage between the adjustment screw mechanisms to permit driving all of the plurality of adjustment screw mechanisms synchronously from a single adjustment point to change the cutting height.
A height of cut adjustment system for a reel type grass cutting unit, comprising:
- an adjustment screw mechanism mounted at each corner of the cutting unit;
- each adjustment screw mechanism having a vertical post attached at its lower end to a ground roller, and a worm gear drive connected to each vertical post;
- and
- a linkage between each worm gear drive so that the worm gear drives can turn synchronously.
A height of cut adjustment system for a reel type grass cutting unit, comprising:
- an independent adjustment mechanism mounted to each corner of a frame of the cutting unit;
- each independent adjustment mechanism operating to raise and lower a vertical post supporting a corner of the cutting unit;
- an electric motor mounted to the frame of the cutting unit;
- and
- linkages between the electric motor and each independent adjustment mechanism to raise and lower the posts synchronously to set a cutting height of the cutting unit.
Dependencies are inferred from the claim text.