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US 12,214,518 B2Granted
Sprocket arrangement, saw chain, and combination of sprocket arrangement and saw chain
AssigneeHusqvarna AB
InventorsPatrik Melin, Albin Hagberg
Life of this patent
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Abstract
In a combination of a sprocket arrangement (128) and a saw chain (16), a sprocket tooth spacing (TI) between consecutive sprocket teeth (40) relates to a drive link spacing between consecutive drive links (30) of the saw chain (16) such that the guide teeth (42) of two or more drive links (30) may enter between a pair of consecutive sprocket teeth (40).
Claims15
An apparatus comprising:
- a sprocket arrangement;
- and
- a saw chain,
- wherein the saw chain comprises a plurality of drive links, each of said drive links comprising a guide tooth configured to extend into, and be guided along, a guide channel of a chainsaw guide bar,
- wherein the sprocket arrangement comprises a sprocket configured to be driven to rotate about a rotation axis and comprising a plurality of sprocket teeth configured to engage with the guide teeth of the drive links of the saw chain,
- wherein a sprocket tooth spacing between consecutive ones of the sprocket teeth of the sprocket relates to a drive link spacing between consecutive ones of the drive links of the saw chain such that the guide teeth of two or more of the drive links enter between a pair of consecutive ones of the sprocket teeth,
- wherein the apparatus further comprises a drive shaft connection interface for connecting the sprocket arrangement to a drive shaft of the apparatus,
- wherein a radial support arrangement is connected to the drive shaft connection interface in a radially resilient manner,
- wherein the radial support arrangement comprises a pair of radial support plates arranged on opposite sides of the sprocket, and
- wherein each of said radial support plates is axially held between the sprocket and a respective axial support plate of the apparatus.
7 more elements
Dependencies are inferred from the claim text.