Grain drill depth adjustment tool

Compound tools – Miscellaneous

Reexamination Certificate

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Details

C111S200000, C111S900000

Reexamination Certificate

active

11008039

ABSTRACT:
An improved grain drill depth adjustment tool for changing the seeding depth of a John Deere® Model 750 Grain Drill or its equivalent. The improved grain drill depth adjustment tool capable of unlocking a locked grain drill depth adjustment plate, repositioning the grain drill depth adjustment plate and allowing the grain drill depth adjustment plate to be re-locked in an alternate position. The improved grain drill depth adjustment tool comprising a lever; an engagement member attached to the lever; and a plurality of protrusions attached to the lever. The improved grain drill depth adjustment tool capable of performing its functions in a one-handed operation without the use of auxiliary tools. The one-handed operation requires minimal force and the tool is relatively easy to use. The grain drill depth adjustment tool is further capable of reducing adjustment time and thereby increasing farming efficiencies.

REFERENCES:
patent: 4611545 (1986-09-01), Nickeson et al.

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