Fastening device for coupling ploughing elements in...

Details Fastening device for coupling ploughing elements in... Fastening device for coupling ploughing elements in...

2008-06-05

2011-10-18

Pezzuto, Robert (Department: 3671)

Earth working

Tool, standard or connection

Specific tool and standard connection

C172S753000

Reexamination Certificate

active

08037944

ABSTRACT:
Fastening device for coupling ploughing elements in agricultural cultivation machines, the ploughing elements including ploughshares, points, blades or any similar type of tool, the fastening device including an intermediate fastening element, formed by a solid body, which joins the ploughing element to the support arm; the intermediate fastening element being equipped with a fastening arrangement for linking thereof to the support arm; a guiding arrangement for insertion of the former inside the ploughing element; and an aperture, passable transversely with respect to the direction of the guiding arrangement and intended for insertion of a retractable pin which, in an insertion position for the pin, acts as a retaining element for the ploughing element with respect to the intermediate fastening element such that the fastening device enables the user/operator to manually replace or reposition the ploughing element, avoiding any need for accessory tools for this purpose.

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patent: 2621210 (1989-04-01), None

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