Harvesters – Cotton – Pickers
Patent
1995-11-01
1996-09-24
Melius, Terry Lee
Harvesters
Cotton
Pickers
56 40, 56 44, A01B 4616
Patent
active
055579116
ABSTRACT:
Adjustable doffer structure for a cotton harvester row unit provides single wrench doffer adjustment without requiring loosening of a locking nut. The upper end of a doffer column bearing support includes a screw member threaded through an adjusting housing and projecting above the row unit housing. A Belleville spring is sandwiched between a locking nut threaded onto the upper end of the screw member and the adjusting housing. The nut and Belleville spring provide sufficient holding torque to maintain a given doffer adjustment during normal row unit operation, but the holding torque can be overridden with a wrench used to make the doffer adjustment. A locking plate is placed over the nut to maintain locking nut torque.
REFERENCES:
patent: 3858665 (1975-01-01), Winker
patent: 4016936 (1977-04-01), Easterling et al.
patent: 4188146 (1980-02-01), Stecklein
patent: 4249365 (1981-02-01), Hubbard et al.
patent: 4742672 (1988-05-01), Orsborn
patent: 4819415 (1989-04-01), England et al.
patent: 4850184 (1989-07-01), Deutsch et al.
Book, "Machine Design Fundamentals, A Practical Approach", Title page and pp. 200-201, printed in the U.S.A. in 1983 by Prentice-Hall, Inc.
Sanderson Leon F.
Schreiner Joel M.
Deere & Company
Melius Terry Lee
Pezzuto Robert
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