Forage harvester feed roll mounting mechanism

Details Forage harvester feed roll mounting mechanism Forage harvester feed roll mounting mechanism

1979-02-06

1981-07-14

Goldberg, Howard N.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

2411017, B02C 1822

Patent

active

042782104

ABSTRACT:
In a forage harvester having a rotatable cutterhead and adjacently-positioned shearbar, an upper feed roll assembly comprising at least one upper feed roll mounted above and forwardly of the shearbar for movement by a pair of arms. A lower feed assembly cooperates with the upper feed roll assembly to convey crop material to the cutterhead across the shearbar. A tensioning assembly is coupled to the mounting arms for upper feed roll. First and second positions of the tensioning assembly provide a first condition in which the upper feed roll assembly is biased toward a lower operative position adjacent the cutterhead and shearbar and a second condition in which the bias on the upper feed roll assembly is relaxed, permitting movement to an upper inoperative position generally remote from the cutterhead and shearbar to thereby expose and render the shearbar readily accessible for servicing. A torque shaft is utilized to maintain the upper feed roll in a non-askew relationship by applying force via the tensioning assembly to the upper feed roll in its operative position.

REFERENCES:
patent: 2612974 (1952-10-01), Krause
patent: 3342231 (1967-09-01), Waldrop
patent: 3431712 (1969-03-01), Probsting
patent: 3444673 (1969-05-01), Evans
patent: 3876159 (1975-04-01), Kidd
patent: 3985306 (1976-10-01), Wagstaff
patent: 4040344 (1977-08-01), Moore et al.

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