Unearthing plants or buried objects – Extractor – Plant impaling or snagging
Patent
1991-10-28
1993-07-20
Reese, Randolph A.
Unearthing plants or buried objects
Extractor
Plant impaling or snagging
172 59, 172111, A01B 3306
Patent
active
052285219
ABSTRACT:
A helical coil assembly, consisting of spaced coil turns mounted on a shaft at right angles to the coil, is rotated by any suitable power source. Any plant growth stalks in the path of this rotating coil enter and are caught in the channel between the spaced coil turns, spun centripetally, clumped together, grasped and pulled by the coil so that the plant growth, whether crops or undesirable weeds, undergrowth, etc. is removed by its roots. The helical coil assembly may also include a cutting blade rotating parallelly and adjacent to the helical coil, for severing the clumped plant stalks held under tension by the coil, thus moving or trimming the plant growth. Multiple coil assemblies, arranged in various groupings, are combined for a wide range of mowing, trimming, harvesting or removing purposes.
REFERENCES:
patent: 372282 (1887-10-01), Winter
patent: 1166135 (1915-12-01), Lamp
patent: 1506042 (1924-08-01), Bauer
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patent: 2983322 (1961-05-01), Heeren
patent: 3084748 (1963-04-01), Heeren et al.
patent: 3129771 (1964-04-01), Lidstone
patent: 4575255 (1986-03-01), Kafka
patent: 4804439 (1989-02-01), Fredricksson
Altman Nathaniel
Reese Randolph A.
Warnick Spencer
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