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COUPLING APPARATUS FOR COUPLING AN AGRICULTURAL IMPLEMENT TO A PRIME MOVER
专利权人:
McHale Engineering
发明人:
McHALE Padraic Christopher,McHALE Martin William,MCHALE Paul Gerard,BIGGINS John Patrick,HEANEY James John,SHERIDAN Gerard Patrick,COLLINS Donal Patrick
申请号:
US201615574983
公开号:
US2018139888(A1)
申请日:
2016.05.17
申请国别(地区):
美国
年份:
2018
代理人:
摘要:
Coupling apparatus (80) for coupling a mower (3) to a front three-point linkage of a tractor comprises a mounting element (17) for coupling to the three-point linkage and a carrier element (19) to which the mower (3) is coupled. A linkage mechanism (20) comprising upper link members (81) and a lower link member (23) couples the carrier element (19) to the mounting element (17). The lower link member (23) is pivotally coupled to the mounting element (17) about a first lower pivot axis (30). A pair of take-up springs (45) act between the lower link member (23) and the mounting element (17) to take up a portion of the weight of the mower (3). The take-up springs (45) are coupled between corresponding anchor elements (60) and corresponding anchor brackets (49) on the lower link member (23). The anchor elements (60) are carried on respective compensating arms (88), which in turn are pivotal on pivot shafts (53) carried on the mounting element (17). Actuator arms (89) acting between the lower link member (23) and t
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