| US 7,578,324 B2 | ||
| Self-centering tool | ||
| Nathan Cantlon, Charlo, Mont. (US) | ||
| Assigned to Jore Corporation, Ronan, Mont. (US) | ||
| Filed on Apr. 30, 2004, as Appl. No. 10/835,894. | ||
| Claims priority of provisional application 60/467269, filed on Apr. 30, 2003. | ||
| Prior Publication US 2004/0218988 A1, Nov. 04, 2004 | ||
| Int. Cl. B23B 51/00 (2006.01) | ||
| U.S. Cl. 144—136.95 [408/203.5; 408/204] | 16 Claims |
| 1. A bit for a tool, comprising:
(a) a housing having a cutting portion and a shank;
(b) a post disposed within the housing, wherein the post is operably coupled to the housing and movable between extended and
retracted positions and allowing substantially unconstrained rotation of the post relative to the housing when the post is
in the extended position, wherein the post extends from the cutting portion of the housing when the post is in the extended
position and is positioned to contact a workpiece and assist in anchoring the bit to the workpiece during use; and
(c) a biasing member disposed within the housing and positioned to urge the post into the extended position.
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