Patent ID: 8474231

Claim:
An apparatus for attachment to lawn mowing machines for use to edge and trim grass and weeds comprising: a gear assembly in a gear housing disposed in a blade housing with a driving gear attached to a drive shaft and engaged with a driven gear attached to a driven end of a shaft wherein said shaft is disposed approximately orthogonal to said drive shaft; a trimmer tube with said shaft disposed therein with said driven end disposed in a first bearing in a first end of said trimmer tube and a shaft socket end of said shaft disposed in a second bearing in a second end of said trimmer tube; a first end of said trimmer tube is slidably disposed in a first bracket disposed in said gear housing and a second end of said trimmer tube is slidably disposed in a side wall having an aperture therein wherein said trimmer tube adjacent said second end is attached to a second bracket that has a T-slide member slidably disposed in a T-slide channel of a tube position device that comprises a bracket position housing with said T-slide channel disposed for slidable receipt of said T-slide member and said T-slide member having position bores therein located for insertion of a spring biased position pin that is slidably disposed in said bracket position housing; and a head coupling assembly with a trimmer head has a coupling shaft with a third portion shaped for insertion in said socket end and is releasably attached to said shaft socket end.