Wheeled vegetation trimmer

A wheeled vegetation trimmer, comprising:

• a frame having a set of wheels and a handle extending from a rear portion of the frame;
• a motor mounted on the frame;
• a spindle depending from the frame at a position forward of the motor, the spindle operatively coupled with the motor for receiving rotary power;
• a carrier for a cutting element and the carrier rotating with the spindle;
• and
• a locking member for selectively engaging the spindle and thereby cooperating with the spindle to lock the carrier against axial movement along the spindle, and for disengaging the spindle to permit movement of the carrier along the spindle.

A trimmer, comprising:

• a rotary power source mounted a frame supported by wheels;
• a spindle assembly depending from the frame, wherein said spindle assembly comprises,
• a spindle shaft adapted to receive power from the rotary power source for rotation of the shaft, wherein said shaft includes a plurality of slots along an outer surface;
• an adjuster assembly adjustably mounted on said shaft, wherein said adjuster assembly rotates with said shaft, and wherein said adjuster assembly comprises a locking plate for positioning said adjuster assembly along a length of said shaft by engaging said locking plate with a desired slot of said plurality of slots;
• a string carrier attached to said adjuster assembly, wherein said string carrier includes a cutting line, and wherein by engaging said locking plate with a desired slot of said plurality of slots the distance of said cutting line from the ground can be adjusted, and
• a ground contacting structure mounted to an end of said spindle shaft in a manner to permit independent rotation of said ground contacting member and said spindle shaft.

A wheeled trimmer, comprising:

• a horizontal frame with two wheels, mounted on opposite sides of the frame and near a rear end of the frame;
• a motor mounted on the frame;
• a handle attached to the frame and extending past the rear end of the frame at an angle for enabling a user to maneuver the trimmer while standing;
• and
• a spindle assembly depending from a front end of the frame, wherein said spindle assembly comprises:
• a shaft capable of rotating about its axis, and wherein said shaft includes a plurality of slots along an outer surface of a length of said shaft;
• a locking member mounted within a frame for rotation with said shaft, wherein said locking member operates to selectively engage any one of said plurality of slots for positioning said frame along a length of said shaft;
• a string carrier operatively connected to the frame to rotate with said shaft, wherein said string carrier includes a cutting filament and rotates with said shaft thereby causing trimming of vegetation, and whereby by engaging said locking plate with one of said plurality of slots the distance of said cutting filament from the ground can be adjusted;
• and
• a ground contacting structure, wherein said ground contacting structure is attached to an end of said shaft for rotation about the axis of said shaft independently of said shaft, wherein the ground contacting structure includes a semispherical surface portion for contacting the ground.