Patent ID: 9538703
Date: 2017-01-10
CPC Classifications: A01D

Claim:
1. A knife head and arm assembly for connecting a sickle cutter to a reciprocating drive mechanism, comprising: an elongate knife head having a plurality of holes therein arranged in a longitudinally spaced array, configured and disposed for receiving a plurality of fasteners, respectively, for attaching a plurality of knife sections of the sickle cutter to a structural beam of the sickle cutter, a knife pin removably mounted at a predetermined location on the knife head in upwardly extending relation thereto, the knife pin having an outer surface extending thereabout; a knife pin fastener removably mounting the knife pin on the elongate knife head; and a knife arm having a mounting end configured for attachment to the drive mechanism for reciprocating sideward movement of the knife arm therewith, the knife arm including a distal end opposite the mounting end disposed to be supported in cantilever relation to the drive mechanism, the distal end including an inner surface bounding and defining a downwardly open receptacle configured for cooperatively receiving the knife pin with the inner surface intimately contacting the outer surface therearound for holding the knife pin in the receptacle sufficiently for the knife arm to reciprocatingly move the knife head and the attached sickle knife sections sidewardly therewith while allowing a limited amount of relative vertical movement between the knife arm and the knife head.