CPC A01B 63/166 (2013.01) [A01B 63/002 (2013.01); A01C 5/064 (2013.01)] | 7 Claims |
1. A gauge wheel adjustment assembly for controlling penetration depth of a disk opener, comprising:
a spindle adapted to be rotatably supported in a spindle sleeve, the spindle having a shaft with a first end with a rectangular boss adapted for engagement with a depth adjustment handle of the disk opener and a second end with a tapered spline engagement formation; and
a gauge wheel support arm having a complementary tapered spline formation for engagement with the second end of the spindle,
wherein the rectangular boss has outside dimensions larger than an interior diameter of the spindle sleeve.
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