Cotton picker bar with lower retention

Details Cotton picker bar with lower retention Cotton picker bar with lower retention

1994-01-18

1994-11-22

Suchfield, George A.

Harvesters

Cotton

Pickers

56 44, A01D 4618

Patent

active

053657268

ABSTRACT:
The picker bar on a cotton harvester drum includes a lower bushing with a thrust surface added. The spindle drive shaft is drilled and tapped to receive a bolt inserted through the bottom of the picker bar. Bevel gear thrust loads are transferred through a thrust washer, secured by the bolt to the bottom of the drive shaft, to the lower bushing thereby eliminating need for a snap ring and snap ring groove at the top of the bar. The spur gear bending load at the top the bar is transferred through a large rigid gear section to the bearing at the top of the bar. The top bearing is supported closer to the gear load than in previous bars which utilize snap ring retention. The drive shaft, bevel gears, upper bearing and drive gear section are inserted as a single assembly into the upper end of the picker bar during manufacture.

REFERENCES:
patent: 510730 (1893-12-01), Todd
patent: 972795 (1910-10-01), Appleby
patent: 2766574 (1956-10-01), Hubbard
patent: 3031831 (1962-05-01), Jennings et al.
patent: 3035389 (1962-05-01), Sadler et al.
patent: 3092949 (1963-06-01), Sadler et al.
patent: 4463543 (1984-08-01), Hubbard et al.
patent: 4723399 (1988-02-01), Rail

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