| 主权项 |
1. A header height sensor arrangement (100) configured to be fixed to an agricultural harvesting head (108), wherein the header height sensor arrangement (100) comprises:
a mounting bracket (102) configured to be fixed to the agricultural harvesting head (108), wherein the mounting bracket (102) defines a first bar (110) of a four bar linkage; a second bar (112) pivotally coupled to the mounting bracket (102) to pivot with respect to the first bar (110) about a first pivot axis (116); a third bar (118) pivotally coupled to the mounting bracket (102) to pivot with respect to the first bar (110) about a second pivot axis (122); a fourth bar (124) pivotally coupled to the second bar (112) to pivot with respect to the second bar (112) about a third pivot axis (130), and further pivotally coupled to the third bar (118) to pivot with respect to the third bar (118) about a fourth pivot axis (132); and a sensing element (106) disposed to text relative movement of at least one of the first bar (110), the second bar (112), the third bar (118) and the fourth bar (124) with respect to another of the first bar (110), the second bar (112), the third bar (118), and the fourth bar (124). |
