Patent ID: 9313938
Filing Date: 2016-04-19
CPC Classification: A01B,E02F,Y10T

Claim Text:
1. A furrowing opener for use on an agricultural implement to form a furrow in a forward working direction of the implement, the furrowing opener comprising: a shank body including a main portion arranged to be supported on the agricultural implement and a tip mounting portion protruding forwardly from the main portion which locates a transverse opening having a square cross section with a prescribed interior dimension extending laterally fully through between laterally opposing sides of the tip mounting portion of the shank body, transversely to the forward working direction; a tip body including a socket formed in a rear side thereof which receives the tip mounting portion of the shank body therein, the tip body including a transverse aperture having an interior diameter which is reduced relative to the prescribed interior dimension of the transverse opening extending fully through the tip mounting portion of the shank body, the transverse aperture of the tip body extending laterally fully through the tip body, transversely to the forward working direction in alignment with the socket; an adapter bushing received within the transverse opening of the shank body and including i) an outer surface which is sized and shaped to fit non-rotatably within the square cross section of the transverse opening extending fully through the tip mounting portion of the shank body and ii) a cooperating aperture having an interior diameter extending fully through the adapter bushing in the lateral direction which is reduced in size relative to prescribed interior dimension of the transverse opening in the shank body and which is in alignment with the transverse aperture of the tip body; and a retainer pin extending through the transverse aperture of the tip body and the cooperating aperture of the adapter bushing, the retainer pin having an outer diameter along a length of the retainer pin which is sized to fit within the interior diameter of the cooperating aperture in the adapter bushing so as to selectively retain the tip body on the shank body.