Folding grain drill drive including seed dispensing clutch actua

Details Folding grain drill drive including seed dispensing clutch actua Folding grain drill drive including seed dispensing clutch actua

1977-08-22

1979-02-06

Burr, Edgar S.

Planting

Drilling

Frame and planting-element arrangement

111 34, 111 57, 172 75, 172106, 172311, 192 23, 192 7022, 222616, A01C 700, A01B 3308

Patent

active

041378539

ABSTRACT:
A pull type folding grain drill driven by the gauge wheels including pivoting legs carrying the gauge wheels which drive a clutch shaft through a first chain and sprocket drive, the clutch shaft axis being offset from the pivoting leg axis. A second chain and sprocket drive between the dispensing seed shaft and the clutch shaft including an idler pulley having cam means on the end thereof for disengaging a clutch on the clutch shaft when the pivoting legs are rotated to lift the planter out of the ground in the transport position.

REFERENCES:
patent: 473413 (1892-04-01), Bering
patent: 938492 (1909-11-01), Knoblock
patent: 1259511 (1918-03-01), Graham
patent: 1641706 (1927-09-01), Strandlund
patent: 2031650 (1936-02-01), Hendricks et al.
patent: 2210994 (1940-08-01), White
patent: 2713836 (1955-07-01), Ajero
patent: 3291222 (1966-12-01), Ralston
patent: 3411467 (1968-11-01), Van der Lelx et al.

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