Flip-up C-shank standard for a cultivator

Details Flip-up C-shank standard for a cultivator Flip-up C-shank standard for a cultivator

1995-03-10

1996-07-02

Warnick, IV, Spencer K.

Earth working

Plural relatively movable tools

Tool movable to non-use position

172763, 172740, A01B 2302, A01B 3520

Patent

active

055312764

ABSTRACT:
A simple, light-weight C-shank standard is mounted on a bracket which is corner clamped to a rig cross tube on a row crop cultivator. A pin inserted through apertures in the bracket maintains the shank in a preselected field-working attitude. The pin can be removed to allow the shank to be pivoted upwardly for maintenance, sweep removal, or residue removal. The shank can be supported in the raised position by the pin when the cultivator configuration is changed for cultivation in lay-by conditions, or for operation in skip row or other special crop configurations. In one embodiment of the invention, the shank is edgebent and selective placement of the pin through one of a plurality of sets of mating holes in the bracket and the upper portion of the shank permits adjustment of the working position of the shank. A mounting slot at the lower end of the one embodiment of the shank provides pitch adjustment for the earthworking tool.

REFERENCES:
patent: 1042674 (1912-10-01), Helmbacher
patent: 3010744 (1961-11-01), Hollis
patent: 3480086 (1969-11-01), Groenke
patent: 3981367 (1976-09-01), Mydels
patent: 4079790 (1976-03-01), Guttler
patent: 4177865 (1979-12-01), Lewison
patent: 4700785 (1987-10-01), Bartusek
patent: 4991661 (1991-02-01), Barenthsen
patent: 5040616 (1991-08-01), Hake
patent: 5050685 (1991-09-01), Harrison
patent: 5255617 (1993-10-01), Williams et al.
patent: 5361848 (1994-11-01), Fleischer et al.
patent: 5409068 (1995-04-01), Hake et al.

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