Lifter for potatoes and other subterranean vegetation products

Details Lifter for potatoes and other subterranean vegetation products Lifter for potatoes and other subterranean vegetation products

1989-05-12

1992-02-04

Taylor, Dennis L.

Unearthing plants or buried objects

With additional earth or plant rolling implement

171120, 171131, 171132, A01D 1700

Patent

active

050852795

ABSTRACT:
A potato lifter, but also being a lifter capable of lifting other especially subterranean vegetation products, such as celery roots, carrots, bulbs, edible onions, etc., the lifter being of the kind comprising an in the ground, under the products, led cutting member and a conveyor positioned behind the cutting member for the upwards guiding of the products is described. A number, and at least one, mainly with plain, smooth or comparatively featureless surface shaped delivery roll or rolls (5, 6, 7, 8) is (are) positioned between the rear edge of the cutting member(1, 2, 3, 4) and the conveyor (9). The delivery rolls, having preferably equal diameters and being driven with a circumference velocity of about the same size as the forward drive velocity of the potato lifter, are positioned rotatable around mainly horizontal axes and, when more than one, positioned rather close together and mutually parallel. The damage introduced at the mechanical lifting to the potatoes is exquisitely low.

REFERENCES:
patent: 101499 (1870-04-01), Patterson
patent: 155215 (1874-09-01), Aspinwall
patent: 408208 (1889-08-01), Burger
patent: 786792 (1905-04-01), Alstock
patent: 1864484 (1932-06-01), Currie
patent: 2452418 (1948-10-01), Zuckerman
patent: 2617347 (1952-11-01), Provost
patent: 2758528 (1956-08-01), Hulverson
patent: 2921637 (1960-01-01), Danielsson
patent: 3184029 (1965-05-01), Loosli
patent: 3627051 (1971-12-01), Schmitz et al.
patent: 3654997 (1972-04-01), Partyanko et al.
patent: 4541491 (1985-09-01), Van Der Lely

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