Drill having disk furrow openers

Planting – Drilling – Lister units

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Details

111 88, 172387, 172392, 172574, 172764, A01C 500

Patent

active

044072074

ABSTRACT:
Seed drill (FIG. 2) having share disks 10, and press wheels 27 which determine the depth of penetration of the disks. Runners 13 and disposed on the outer sides of the disks for enabling the soil particles or cohering pieces of soil lifted by the disks to fall back unturned into the seed furrows produced by the disks.

REFERENCES:
patent: 150450 (1874-05-01), Wiard
patent: 610316 (1898-09-01), Arnett
patent: 610316 (1898-09-01), Arnett
patent: 633216 (1899-09-01), Pretsman
patent: 897839 (1908-09-01), Mahoney
patent: 1054235 (1913-02-01), Pattison et al.
patent: 1392732 (1921-10-01), Zarmstorf
patent: 1392732 (1921-10-01), Zarmstorf
patent: 1445705 (1923-02-01), Nuernberger

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