Back to results
US 6,536,322 B1Granted
Tooth-and-holder harvesting head disk saw
AssigneeCaterpillar Inc.
InventorsJeffrey A. Butler, Keith B. Hicks
Life of this patent
Estimating the term…
Abstract
High speed disk saws are used in forestry applications as part of a harvesting head to fell trees. These saws have a saw disk which often becomes dull or damaged through use, so is commonly provided with replaceable teeth and holders. One aspect of the present invention provides a replaceable tooth and holder arrangement with recessed fasteners attaching the holder to the saw disk and the tooth to the holder. Another aspect of the present invention provides a replaceable tooth and holder arrangement with a reversible holder.
Claims10
A disk saw comprising:
- a saw disk having a rim, an axis A extending through the center of the saw disk in a perpendicular orientation to the rim, at least one disk hole positioned in a substantially radial direction to the axis A, and at least one disk slot on the rim;
- and
- at least one holder having a holder bolt hole and at least one inner side face, and being positioned in a mating relationship with the disk slot such that the holder bolt hole is positioned in a substantially radial direction to the axis A and aligned with the at least one disk hole and such that the at least one inner side face contacts the rim of the saw disk on an external side of the saw disk.
A tooth holder for use in a forestry application, comprising:
- a holder top face;
- a recessed base face opposite the holder top face;
- a holder bolt hole extending from the holder top face through the holder to the recessed base face;
- a tooth end face extending between the base face and the holder top face;
- a holder end face opposite the tooth end face;
- a tooth bolt hole extending from the holder end face through the holder to the tooth end face;
- and
- at least one inner side face being a wall of the recess of the recessed base face located adjacent and extending beyond the recessed base face.
5 more elements
Dependencies are inferred from the claim text.