Handling: hand and hoist-line implements – Hand forks and shovels – Grappling type
Patent
1985-10-31
1988-02-09
Stouffer, Richard T.
Handling: hand and hoist-line implements
Hand forks and shovels
Grappling type
172 25, 172 41, 175385, A01B 4500, A01B 116
Patent
active
047238020
ABSTRACT:
A rotary driven elongated pointed rod member having wingnut-like projections affixed thereto. The wingnut-like projections being spaced apart sufficient distances for contacting weeds and undesired plants at interval points when the device is moved beneath the surface of the ground while being rotated. The projections grip and wind the weed about the rod and then retain the weed and its roots and carry the unwanted wood and its root system out of the soil. The projections can depend straight downwardly or can be canted to form a spiral soil entering action. Following the withdrawal of the weed the loose soil that has been pulverized and aerated is left in the hole that had been formed by the weed removing action.
REFERENCES:
patent: 757739 (1904-04-01), Haines
patent: 799359 (1905-09-01), Shaffer
patent: 1371137 (1921-03-01), Albers
patent: 1990341 (1935-02-01), Meyer
patent: 3051253 (1962-08-01), McCann
patent: 3129771 (1964-04-01), Lidstone
patent: 3356168 (1967-12-01), Johnson
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