| 主权项 |
1. A cutting tool adapted for attachment near the periphery of a rotary cutting wheel of the type used in a tree stump grinding apparatus, said cutting tool comprising:
a first tool holder having a first inner side surface for directly contacting a side of the cutting wheel, said first tool holder including at least one bore extending through said first inner side surface, a second tool holder having a second inner side surface for directly contacting a side of the cutting wheel opposite said first tool holder, said second tool holder including at least one a threaded bore extending through said second side surface and generally aligned with said bore of said first tool holder, a fastener adapted to join said first tool holder to said second tool holder on opposite sides of the cutting wheel, said fastener having a permanent head, said permanent head including a socket configuration suitable for receiving a driving tool, said fastener having a shank extending axially from said permanent head, said shank including a terminal end opposite said permanent head, said shank including male screw threads extending from said terminal end and winding helically toward said permanent head, said male screw threads of said fastener threadably engaged within said threaded bore of said second tool holder, and a slot disposed transversely in said terminal end of said shank and intersecting a plurality of said male screw threads, said slot extending axially toward said permanent head to form a bifurcation in said shank, said slot configured to receive the tip of a slotted screw driver when extended into said threaded bore of said second tool holder. |
