Patent ID: 9347844
Filing Date: 2016-05-24
CPC Classification: A01B,B60D,G01D,G01L

Claim Text:
1. In a vehicle having left and right draft links for coupling an implement to a hitch frame, a draft force sensing system comprising: a housing; first and second spaced apart pivot pins mounted in the housing; a first arm pivotally mounted on the first pivot pin, the first arm having a first portion movable in response to draft force applied to the left draft link and having a second portion, the first pivot pin being positioned between the first and second portions of the first arm; a second arm pivotally mounted on the second pivot pin, the second arm having a first portion movable in response to draft force applied to the right draft link and having a second portion, the second pivot pin being positioned between the first and second portions of the second arm; a resilient member coupled to the second portions of the first and second arms and biased to urge the arms towards each other; a stop member positioned between the second portions of the arms and engagable with the arms to limit movement of the arms towards each other; and a transducer engaging the second portions of the first and second arms, the transducer generating an electrical signal representing a distance between the second portions.