发明名称 HITCH STRUCTURE FOR AGRICULTURAL IMPLEMENTS
摘要 et portion of the pin, thereby rotating the stop on the pin out of engagement with the stop on the arm and releasing the pin from its disengaged position. The pin is thereafter free to drop into its locking position when a pin-receiving aperture in the movable member, corresponding with one of the hitch positions, comes into alignment therewith.
申请公布号 US3751071(A) 申请公布日期 1973.08.07
申请号 USD3751071 申请日期 1970.10.30
申请人 DEERE & CO,US 发明人 PATTERSON R,CA;ISACHSEN H,CA
分类号 A01B59/04;A01B73/00;B60D1/14;(IPC1-7):B60D1/14 主分类号 A01B59/04
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