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Apparatus for coupling a tractor and farm implement

  • US 4,232,878 A
  • Filed: 06/14/1978
  • Issued: 11/11/1980
  • Est. Priority Date: 06/14/1978
  • Status: Expired due to Term
First Claim
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1. Apparatus for coupling a tractor having a rear axle to a trailing implement comprising:

  • first means for rotatably attaching first attachment points of the implement to first attachment points of the tractor, andfloating coupling means for attaching a second attachment point of the tractor to a second attachment point of the implement to allow the implement to be freely rotatable about the first attachment points of the implement to the tractor with respect to the rear axle of the tractor, said floating coupling means including an upwardly extending ear attached to said implement with a pivot point thereon, and a coupling arm pivotally attached to the pivot point of said upwardly extending ear at an intermediate point and pivotally attached to the second attachment point of the tractor, said coupling arm extending beyond the rotatable attachment to said upwardly extending ear and adjacent to the upper portion of said implement whereby said extension rotates toward said upper portion when the implement rotates downwardly about the first attachment points of the implement to the tractor.

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