Boots – shoes – and leggings
Patent
1986-05-12
1988-10-04
Chin, Gary
Boots, shoes, and leggings
364562, 36457102, 172 45, A01B 6300, G06F 1520
Patent
active
047759402
ABSTRACT:
There is disclosed a plowing depth detecting system for a rotary plow adapted to detect an actual plowing depth on the basis of distance data with respect to the ground received from a distance sensor attached to the rotary plow which is vertically movably connected to a vehicle through a link mechanism. The distance sensor provides a microprocessor with distance data with respect to the ground rearwardly of the rotary plow. The microprocessor determines a value of actual plowing depth of the rotary plow on the basis of this distance data and a correction value according to a working condition of the rotary plow.
REFERENCES:
patent: 3786871 (1974-01-01), Long et al.
patent: 4034490 (1977-07-01), Teach
patent: 4273196 (1981-06-01), Etsusaki et al.
patent: 4473319 (1984-09-01), Spangler
patent: 4573124 (1986-02-01), Seiferling
patent: 4600997 (1986-07-01), Cain et al.
Fukumoto Toshiya
Hasegawa Shigekazu
Nakai Shouhei
Nishida Tetsuya
Chin Gary
Kubota Ltd.
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