Vegetation trimmer head

Abstract

A durable one-piece vegetation trimmer head molded from a polymeric material provides ease in attachment and removal from standard vegetation trimmers. The trimmer head is fitted with three rotatable, rigid blades which extend during use. The trimmer head has a spool-like shape and includes a central channel having a conically-shaped opening along the bottom surface to assist the operator in attachment and removal of the trimmer head from the trimmer drive shaft. The preferred embodiment provides for threaded attachment to the trimmer drive shaft and in one alternate embodiment the trimmer head includes a pair of opposing spring grooves. In another alternate embodiment, various flexible trimmer line configurations can be fitted into a two-piece trimmer head which is threadably joined. A rigid trimmer blade is also disclosed which is formed from stainless steel.

Dependencies are inferred from the claim text.