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US 2014/0090532 A1Published application
Dresser drive link for saw chain
AssigneeBlount, Inc.
InventorMike Goettel
Life of this patent
Estimating the term…
Abstract
Embodiments herein provide a drive link having a conditioning portion to be used in conjunction with one or more dresser links of a saw chain to condition a sharpening element. The dresser links may include left and right dresser links configured to contact the sharpening element in first and second contact regions which may not overlap, leaving a gap. The conditioning portion of the drive link may contact the sharpening element in a third contact region that includes at least a portion of the gap between the first and second contact regions.
Claims23
A saw chain comprising:
- a left dresser link having a first conditioning portion on an upper surface configured to contact a first contact region of a sharpening element;
- a right dresser link coupled with the left dresser link and having a second conditioning portion on an upper surface configured to contact a second contact region of the sharpening element that is different from the first contact region;
- and
- a dresser drive link coupled to the left and right dresser links, the dresser drive link including:
- a tang configured to ride in a groove of a guide bar;
- and
- a conditioning portion on an upper surface of the dresser drive link including a conditioning material configured to contact a third contact region of the sharpening element that is different from the first and second contact regions.
4 more elements
A dresser drive link comprising:
- a body;
- a tang extending downward from the body and configured to ride in a groove of a guide bar;
- a conditioning portion on an upper surface of the body having an abrasive material to condition a sharpening element, wherein the conditioning portion is configured to contact the sharpening element on a contact region that includes a gap region between contact regions of left and right dresser links coupled to the dresser drive link.
A system comprising:
- a guide bar having a sprocket;
- a sharpening element disposed adjacent to the sprocket;
- a saw chain configured to ride on the guide bar, wherein the saw chain includes:
- a left dresser link having a first conditioning portion on an upper surface of the left dresser link configured to contact a first contact region of a sharpening element;
- a right dresser link coupled with the left dresser link and having a second conditioning portion on an upper surface of the right dresser link configured to contact a second contact region of the sharpening element that is different from, and non-overlapping with, the first contact region;
- and
- a dresser drive link coupled to the left and right dresser links, the dresser drive link including:
- a tang configured to ride in a groove of a guide bar;
- and
- a conditioning portion on an upper surface of the dresser drive link including a conditioning material configured to contact a third contact region of the sharpening element that includes a gap region between the first contact region and the second contact region;
- wherein the sharpening element is configured to be selectively brought into contact with the saw chain.
8 more elements
Dependencies are inferred from the claim text.