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US 8,932,114 B2Granted
Chain link sharpening method and apparatus
AssigneeBlount, Inc.
InventorsChristopher D. Seigneur, Lance Luedtke
Life of this patent
Estimating the term…
Abstract
Embodiments provide various components of a chain saw, including saw chain elements, sprockets, and other fixtures, that may facilitate sharpening of cutter links during operation. In various embodiments, the components may increase stability during sharpening, provide nose mounted sharpening fixtures, and/or facilitate the resizing and/or reshaping of a sharpening element.
Claims12
A saw chain sharpening fixture, comprising:
- a lever arm coupled to a body portion of a chainsaw at a pivot point;
- a sharpening element on a first end portion of the lever arm, the sharpening element configured to sharpen one or more cutter links of a saw chain as the saw chain traverses a guide bar;
- an actuator configured to rotate the lever arm to selectively bring the sharpening element into contact with the one or more cutter links;
- a retainer guide coupled to the body portion of the chainsaw and having a groove;
- and
- a support element coupled to the lever arm and configured to be disposed within the groove of the retainer guide when the sharpening element is in contact with the one or more cutter links of the saw chain;
- wherein the groove is configured to provide lateral support to the lever arm when the support element is disposed within the groove.
4 more elements
Dependencies are inferred from the claim text.