AUTOMATIC HITCH FOR CONNECTING TRAILERS TO FIELD HARVESTING MACHINES Russian patent published in 1995 - IPC

FIELD: agricultural engineering. SUBSTANCE: this automatic hitch designed for attaching trailers to field harvesting machines directly to "K" attachment ring which is fitted into attachment head 34 along guide deflectors 39 of brackets 37 and 38 to force lever 24 out of slot 41 and lower stud 33 along guide 35 into bushing 36 under action of slide 21 and connecting rod 31 to thus fix "K" attachment ring in attachment head 34. EFFECT: more sophisticated design. 6 dwg