Cultivator nail supporting structure

Details Cultivator nail supporting structure Cultivator nail supporting structure

1986-01-02

1987-10-06

Johnson, Richard J.

Earth working

With drive means for tool or cleaner

Tool driven about axis transverse to draft line

172 91, 172545, 403361, A01B 3302, A01B 3314

Patent

active

046976442

ABSTRACT:
There is provided a cultivator blade supporting structure. The structure comprises at least one cultivator blade comprising a shank and a blade portion; at least one blade holder having a hollow sleeve for removably receiving the shank of the cultivator blade; and a rotational driving shaft to which the blade holder is fixed, wherein at least a part of the sleeve for receiving the shank of the cultivator blade comprises confronting oppositely inclined interior faces between which the shank is wedged when the cultivator blade is rotated to cultivate the ground.

REFERENCES:
patent: 797443 (1905-08-01), Lindgren
patent: 2054129 (1936-09-01), Kelsey
patent: 2071259 (1937-02-01), Hecht
patent: 2088956 (1937-08-01), Hecht
patent: 3199609 (1965-08-01), Robinson
patent: 3246704 (1966-04-01), Honda

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