Patent
1980-11-20
1982-05-18
Hirsch, Paul J.
130 27S, A01F 1228
Patent
active
043300006
ABSTRACT:
In an axial flow rotary separator, a threshing or separating grate, surrounding and generally concentric with a rotor is made up of two generally semi-cylindrical halves. An interconnected adjusting linkage arrangement is connected to and supports both halves adjacent their axially extending free edges. Operation of the linkage moves both grate halves simultaneously and equally. Each grate halve comprises two axially extending grate panels connected to each other so as to permit pivoting about an axis close to their inner surfaces and parallel to the rotor axis. Adjusting linkage action causes the diametrically opposite free edges of each grate portion to be displaced both radially and circumferentially with respect to the rotor so that the connected grate panels pivot relative to one another as adjustment is made and so that in all adjustment positions radial clearance between the rotor and inner surfaces of the grate, at the free edges of the grate and adjacent the pivotal connection, remains approximately equal. The gaps between the free edges of the grate portions are bridged by cover plates.
REFERENCES:
patent: 1257802 (1918-02-01), Butterworth
patent: 2053148 (1936-09-01), James
patent: 3589111 (1971-06-01), Gullickson
patent: 3871384 (1975-03-01), Depauw
patent: 3974837 (1976-08-01), Applegate
Deere & Company
Hirsch Paul J.
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