Feeder arrest for use in a harvesting machine

Details Feeder arrest for use in a harvesting machine Feeder arrest for use in a harvesting machine

1997-07-25

1999-07-13

Melius, Terry Lee

Harvesters

Motorized harvester

Having driven means for handling or treating crop

56 102J, 56 60, 56504, 460 3, 241 34, A01D 7518

Patent

active

059210710

ABSTRACT:
An agricultural harvesting machine, such as a forage harvester, comprises a feeder means for feeding crop material to crop processing means and a feeder arrest means for immediately arresting at least a portion of said feeder means upon detection of a foreign object. Said arrest means comprises a ratchet wheel mounted onto the drive line of said feeder means and an electrical actuator means for loading a pawl into engagement with said ratchet wheel.
The harvesting machine comprises a means for automatically monitoring the good operative condition of the electrical actuator means and the means for generating an alarm signal upon detection of a bad operative condition by said monitoring means. The monitoring means checks the condition of the electrical actuator and its circuitry by applying a voltage thereto during a short interval and monitoring the response during or immediately after said interval. The length of this short interval is chosen to preclude actual engagement of the pawl. This test procedure can be executed automatically at regular intervals.

REFERENCES:
patent: 4193248 (1980-03-01), Gilleman
patent: 4296591 (1981-10-01), Martenas et al.
patent: 4353199 (1982-10-01), Chow et al.
patent: 5627475 (1997-05-01), Strosser

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