Patent ID: 7428784
Filing Date: 2008-09-30
Classification: B23Q

Abstract:
1. A jig for setting the radial projection of a knife blade extending radially from a knife assembly of a rotary cutter head of a rotary planer, the rotary cutter head having a longitudinal axis, the jig comprising: an elongate body having a longitudinal axis; three clearance members extending below the body and adapted for engaging the rotary cutter head for providing a stable tripod support spaced radially therefrom; at least one indexing member extending from below the body and adapted for engaging the rotary cutter head at two points of contact, for orienting the axis of the body along the axis of the rotary cutter head; and two knife elevation adjustment members spaced along the axis of the body and radially adjustable below the body, wherein the at least one indexing member orients the two knife elevation adjustment members radially over the knife blade, and the two knife elevation adjustment members are radially adjusted so as to engage the knife blade for setting the radial projection of the knife blade.