Cotton picker doffer adjustment assembly

Details Cotton picker doffer adjustment assembly Cotton picker doffer adjustment assembly

1987-02-17

1988-05-10

Weiss, John

Harvesters

Cotton

Pickers

56 119, 56 40, A01D 4616

Patent

active

047426721

ABSTRACT:
A cotton picker doffer element adjustment mechanism which continuously and automatically adjusts the elevation of the doffer elements in relationship with the picker spindles as the doffer pads wear. The doffer elements continuously gravitate downwardly to maintain contact between the doffer pads and the picker spindles. A hydraulic fluid arrangement is provided to automatically prevent upward movement of the doffer elements. A manually operable device may be provided to selectively exert additional pressure over gravity to the doffer elements or to permit gravity to be overridden. An external pressure source may be provided to supplement the downward gravitation of the doffer elements.

REFERENCES:
patent: 2654202 (1953-10-01), Millard
patent: 2664688 (1954-01-01), Nickla
patent: 2664689 (1954-01-01), Walker et al.
patent: 3014332 (1961-12-01), Hubbard
patent: 3224178 (1965-12-01), Kennedy
patent: 3292352 (1966-12-01), Shaw
patent: 3427791 (1969-02-01), Hubbard

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