Patent ID: 6935253

Claim:
A disc opener assembly connected to a tool bar linked to a vehicle for movement over the ground for opening a seed trench therein, the assembly comprising: a main arm member attached to the tool bar; a disc mounted for rotation on the main arm; a gauge arm member having proximal and distal ends, the proximal end mounted for pivotal motion about a pivot axis to the main arm member; a gauge wheel mounted to the distal end of the gauge arm member; a first coupler mounted to one of the main arm member and the gauge arm member; a second coupler linked to one of the main arm member and the gauge arm member and juxtaposed proximate and for movement with respect to the first coupler along a coupling axis that is substantially parallel to the pivot axis, the second coupler configured to engage the first coupler when biased there against; and a retainer for maintaining the first and second couplers engaged.