Hand tool for loosening soil

Details Hand tool for loosening soil Hand tool for loosening soil

1985-01-11

1987-07-07

Stouffer, Richard T.

Earth working

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

Rolling tool

172372, 172375, A01B 106, A01B 120

Patent

active

046780432

ABSTRACT:
A hand tool for loosening, cutting and crumbling soil or the like, includ a central bearing axle of an angular cross section, a plurality of pairs of pronged wheel arrangements having radially extending prongs and being freely rotatably mounted on the axle such that vertical central planes of the pronged wheels extending in the direction of extension of the radial prongs intersect one another at an acute angle, and wherein the edges of every two adjacent crosswisely interengaging pronged wheels slide along one another to form cutting regions; wherein a spade-type tine or prong formed with an end portion which protrudes beyond the radially extending prongs of the pronged wheels is disposed between every two pairs of intersecting pronged wheels. The spade-type prong is mounted on the axle which may be angularly orientated, as desired, by adjusting the inclination of the handle, such as a shaft non-rotatably mounted on the axle.

REFERENCES:
patent: D273656 (1984-05-01), Dellinger
patent: 388428 (1888-08-01), McCormick
patent: 1630415 (1927-05-01), Blume et al.
patent: 2022335 (1935-11-01), Bernthal
patent: 2048201 (1936-07-01), Short
patent: 3430704 (1969-03-01), Alosi
patent: 3797581 (1974-03-01), Holloway
patent: 4289344 (1981-09-01), Mitchell
patent: 4424869 (1984-01-01), vom Braucke et al.

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