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US 12,648,518 B2Granted
Trimmer head
AssigneeT&I Consulting AB
InventorBo Christer Andreasson
Life of this patent
Estimating the term…
Abstract
A trimmer head for vegetation trimming and cutting machines. The trimmer head including a housing; a cutting blade; a cutting blade shield with a plurality of through-openings; and a blowing air assembly that has at least one blowing nozzle pointing to the blade shield openings such that, in operation, a blowing air flow is directed from the blowing nozzle towards the blade shield openings.
Claims16
A trimmer head comprising:
- a housing,
- a cutting blade,
- a cutting blade shield with a plurality of through-openings, the cutting blade shield being attached to the housing, the cutting blade being positioned within the cutting blade shield, and
- at least one blowing nozzle on the housing and pointing to said blade shield openings such that, in operation, a blowing air flow is directed from the at least one blowing nozzle towards said cutting blade shield openings.
1 more element
Dependencies are inferred from the claim text.