Coated chain saw nose sprocket
A nose sprocket for chain saws includes an inner peripheral surface defining a bearing race, and teeth disposed at an outer peripheral portion of the nose sprocket. Side surfaces of the nose sprocket are provided with a vapor-deposited low-friction coating, except that the inner peripheral surface a...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A nose sprocket for chain saws includes an inner peripheral surface defining a bearing race, and teeth disposed at an outer peripheral portion of the nose sprocket. Side surfaces of the nose sprocket are provided with a vapor-deposited low-friction coating, except that the inner peripheral surface and a portion of each side surface adjoining the inner peripheral surface are free of the coating. |
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