Chainsaw Sharpening Tool
OwnerJere F. Irwininventor
Life of this patent
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Abstract
A file guide is provided having a tubular handle, a spindle, and a retainer. The tubular handle has a central bore with an inner bearing surface and an outer gripping surface. The spindle has a cylindrical outer bearing surface configured to mate in complementary, rotatable relation with the inner bearing surface of the handle, a head at a proximal end, a lock portion at a distal end, and a central receptacle configured to receive a file shank. The retainer has an inner surface with a complementary lock portion configured to interlock with the lock portion of the spindle
Claims20
A file guide, comprising:
- a tubular handle having a central bore with an inner bearing surface and an outer gripping surface;
- a spindle having a cylindrical outer bearing surface configured to mate in complementary, rotatable relation with the inner bearing surface of the handle, a head at a proximal end, a lock portion at a distal end, and a central receptacle configured to receive a file shank;
- and
- a retainer having an inner surface with a complementary lock portion configured to interlock with the lock portion of the spindle.
A chain saw file holder, comprising:
- a handle having a bore extending along a central axis providing an inner bearing surface;
- a spindle having a cylindrical outer bearing surface configured to mate with the inner bearing surface of the handle, a head at a proximal end, a first connector portion at a distal end, and a central receptacle configured to receive a file shank;
- and
- a fastener having an inner surface with a complementary connector portion configured to interlock with the first connector portion of the spindle to retain the handle on the spindle for rotation.
A chain saw file guide, comprising:
- a tubular handle having a central bore with an inner bearing surface and an outer gripping surface;
- a spindle having a cylindrical outer bearing surface configured to mate in complementary, rotatable relation with the inner bearing surface of the handle, a head at a proximal end, a lock portion at a distal end, and a central receptacle configured to receive a file shank;
- and
- a connector having an inner surface with a complementary lock portion configured to interlock with the lock portion of the spindle.
Dependencies are inferred from the claim text.