发明名称 SYSTEM FOR APPLYING DOWN PRESSURE IN A COULTER ASSEMBLY
摘要 A coulter assembly for an agricultural implement. The coulter assembly includes a support structure and a disc blade rotatably mounted to the support structure. The coulter assembly also includes a spring assembly coupled to the support structure and configured to urge the disc blade into soil. The spring assembly includes a variable rate spring.
申请公布号 US2015189825(A1) 申请公布日期 2015.07.09
申请号 US201514664553 申请日期 2015.03.20
申请人 CNH Industrial Canada, Ltd. 发明人 Gadzella Gerard James;Schilling Robin Bruno
分类号 A01B61/04;A01B63/24;A01B63/00;A01B15/18 主分类号 A01B61/04
代理机构 代理人
主权项 1. A coulter assembly for an agricultural implement comprising: a support structure; a disc blade rotatably mounted to the support structure; and a spring assembly coupled to the support structure, and configured to urge the disc blade into soil, wherein the spring assembly comprises a variable rate spring having multiple spring rates, and the spring rate of the variable rate spring is configured to vary in response to compression of the variable rate spring.
地址 Saskatoon CA