Power-take-off safety system

Details Power-take-off safety system Power-take-off safety system

1992-08-07

1994-05-17

Hill, Mitchell J.

Motor vehicles

With means for promoting safety of vehicle, its occupant or...

74 11, 180 531, 180 533, 198301, 1985021, 340567, 340573, B60R 2100

Patent

active

053119614

ABSTRACT:
A safety system for automatically shutting off the power-take-off of a tractor in an emergency to thereby stop the machine being driven by the power-take-off. The system includes at least one machine sensor for detecting the presence of a foreign body adjacent a portion of the machine, and a shut-off, responsive to the sensor, for shutting off the power-take-off when the sensor detects the presence of a foreign body adjacent the machine. Sensors can also be provided to monitor the power-take-off shaft The sensors are preferably a photocell. The system optionally include an alarm that sounds when the sensor detects the presence of a foreign body adjacent the machine.

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patent: 5237883 (1993-08-01), Churchill et al.

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