Patent ID: 7891436

Claim:
A furrow opener for mounting on an agricultural implement shank for movement therewith in a forward working direction, the furrow opener comprising: an opener body including a shank mount arranged to support the opener body on the implement shank and a forward connecting portion; a tip body comprising: a rear connecting portion at a rear side of the tip body arranged for connection to the forward connecting portion of the opener body so as to couple the tip body to the opener body adjacent a bottom end of the opener body; a furrowing portion extending downwardly and forwardly from the rear connecting portion beyond the bottom end of the opener body so as to be arranged to form a furrow in the ground; a guard portion extending upwardly from the furrowing portion along a front side of the opener body; an upper connecting portion comprising a hook member extending upwardly and forwardly from a top end of the opener body; the upper connecting portion being spaced above the rear connecting portion; and a retainer member supported on the opener body adjacent a top end of the tip body such that the upper connecting portion of the tip body above the rear connecting portion is arranged to be received between the retainer member and the opener body adjacent the top end of the tip body; the retainer member comprising a depending portion extending downwardly and rearwardly in mating engagement over the upper connecting portion of the tip body ahead of the opener body such that the upper connecting portion of the tip body is arranged to be inserted between the depending portion of the retainer member and the opener body by rotating the furrowing portion of the tip body downwardly and rearwardly towards the bottom end of the opener body; and the rear connecting portion of the tip body and the forward connecting portion of the opener body being shaped so as to be arranged for mating connection subsequent to alignment of the upper connecting portion with the retainer member as the furrowing portion is rotated downwardly and rearwardly towards the bottom end of the opener body.