Grid bar structure for a cotton harvester row unit

Details Grid bar structure for a cotton harvester row unit Grid bar structure for a cotton harvester row unit

1995-10-24

1997-04-22

Melius, Terry Lee

Harvesters

Cotton

56 41, 56 50, A01D 4608

Patent

active

056220383

ABSTRACT:
A cotton picker row unit grid bar fabricated from a light extruded material has a hollow D-shaped cross section with a plant contacting wall of thickness substantially greater than the non-contacting walls for increased wearability and strength and reduced weight. An upright grid bar support with a compact U-shaped cross section includes opposed flanges connected by a rounded portion to reduce hairpinning of debris. Specially shaped apertures in the rounded portion support the ends of the grid bars in vertically spaced relationship, and grid bar posts cooperate with threaded screw members extending through the support to sandwich the grid bar ends between the flanges with a preselected clamping force.

REFERENCES:
patent: 3673773 (1972-07-01), Ferguson
patent: 4385700 (1983-05-01), Hodges et al.
patent: 4821497 (1989-04-01), Deutsch et al.
patent: 5323592 (1994-06-01), Davenport et al.
Deere & Company, Grid Bar Drawing, 1 page, dated 3 Dec. 1987.

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