Earth working – Diverse tools – Rolling and non-rolling
Patent
1976-02-12
1978-03-21
Shapiro, Paul E.
Earth working
Diverse tools
Rolling and non-rolling
172251, 172254, 172356, 172359, 172675, 172676, 172739, 172762, 172763, A01B 3502
Patent
active
040797880
ABSTRACT:
A hand-pushable, tilling device includes a main frame carrying ground-engaging front and rear wheels, handle means on the frame and a selection of tilling tools, including at least a furrow-forming tool and a cultivating tool, each having a shank portion terminating in a transversely extending soil-penetrating projection. The main frame includes a tool-holding frame supported for pivotal movement about a lateral, horizontal axis. In the uppermost position of the tool-holding frame, the latter frame presents a generally horizontally extending recess into which the shank portion of either tool is slidably mountable and locked preferably by a spring-urged latching means. The depth of penetration and the angle of penetration of the soil-penetrating projecting portion of the selected tool is varied preferably by screw means passing through a support member pivoted on a lateral, horizontal axis upon the main frame and secured to a pivoted second support member attached to the tool-holding frame. The rear wheel of the tilling device has an outwardly tapered rim adapted to enter the furrow formed by the furrow-forming tool and pack down the earth and form the same into a generally V-shape to receive the seeds or bulbs to be planted.
REFERENCES:
patent: 68393 (1867-09-01), Startzman
patent: 88275 (1869-03-01), Chapman
patent: 91497 (1869-06-01), Tufts
patent: 289437 (1883-12-01), Morris
patent: 458122 (1891-08-01), Williams
patent: 641244 (1900-01-01), Stowe
patent: 815048 (1906-03-01), Smith
patent: 855313 (1907-05-01), Holbrook
patent: 3647005 (1972-03-01), Boyd
Esmay Products, Inc.
Shapiro Paul E.
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