Tiller with automatically adjusted angle of attack

Details Tiller with automatically adjusted angle of attack Tiller with automatically adjusted angle of attack

1978-10-30

1981-01-27

Stouffer, Richard T.

Earth working

Guided by walking attendant; supported, propelled, or held...

Hand tool

172371, A01B 106

Patent

active

042469708

ABSTRACT:
The invention relates to a hand device for tilling the earth comprising a flat blade sharpened on all edges which is mounted on a side of a resilient, preferably trapezoidal shaped, frame, with the opposite side of the frame being mounted upon an elongated handle. The tilling device includes an automatic depth control including the resilient frame.

REFERENCES:
patent: 53332 (1866-03-01), Plumer
patent: 839930 (1876-10-01), Howard
patent: 924124 (1909-06-01), Worcester
patent: 1239316 (1917-09-01), Svendsen
patent: 1279704 (1918-09-01), Jones
patent: 1500271 (1924-07-01), Rumbaugh
patent: 1685399 (1928-09-01), Fanberg

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