Aerator hole spacing control with lockout
An aerator hole spacing control with lockout prevents operation of a coring head (114) except if the speed control is at a limited range of preset coring speed positions between the minimum and the maximum. Electrical signals corresponding to a coring speed may be provided to a controller (120) that...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | An aerator hole spacing control with lockout prevents operation of a coring head (114) except if the speed control is at a limited range of preset coring speed positions between the minimum and the maximum. Electrical signals corresponding to a coring speed may be provided to a controller (120) that allows the coring head to be lowered to an operating position only if the signals are within the limited range of preset coring speed positions. |
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