Earth working – Guided by walking attendant; supported – propelled – or held... – Hand tool
Patent
1977-11-07
1979-12-11
Stouffer, Richard T.
Earth working
Guided by walking attendant; supported, propelled, or held...
Hand tool
172747, A01B 108
Patent
active
041778642
ABSTRACT:
A gardening tool with a long handle, having a small flat planar portion disposed at approximately right angles to the handle and connected to the handle by a semi-circular rectangular rod portion. A straight portion is formed, extending from the partial circular portion, to attach to the long handle. The small flat portion has a taper both in depth and in width to a free cutting edge. A notch is formed in the middle of the free cutting edge. Carbide tips can be provided on the free cutting edge for increased wear resistance. The garden tool can be used for cultivating or furrowing a row to a depth of five to six inches for seed planting. When pulled through the earth, the partial circular portion easily rolls the dirt away so that there is no jam up of soil in the rod support portion. The rod member is formed from spring steel to provide for a strong, resilient tool member. The length of the flat planar portion is relatively small being of only slighter greater length than width. The width of the flat planar surface is about three times the width of the rectangular support rod. This provides for a relatively small planar surface which can be easily inserted in soil to a substantial depth. Having the flat planar surface disposed generally perpendicular to the longitudinal axis of the garden crook handle permits the cutting edge to be inserted into the soil at an appropriate depth for proper penetration.
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"Cemented Carbides Used for Other Purposes Than Cutting Tools", Machinery, pp. 150-156, Aug. 1946.
Chapter 23, "Carbides," Brazing Manual, American Welding Society, Inc., New York, N.Y., pp. 232-236, 1963.
Stouffer Richard T.
Yeager Robert D.
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