Weed trimmer with accuracy shield

• US 8,720,071 B2
• Filed: 03/05/2010
• Issued: 05/13/2014
• Est. Priority Date: 03/05/2010
• Status: Expired due to Fees

• Current Assignee: Wayne Galinski
• Original Assignee: Wayne Galinski
• Inventors: Galinski, Wayne
• Primary Examiner(s): FLORES SANCHEZ, OMAR
• Application Number:
  US12/660,849
• Publication Number:
  US 20110214294A1
• Time in Patent Office: 1,530 Days
• Field of Search: 302/76, 302/86, 303/47, 56/127, 56/174
• US Class Current: 30/276
• CPC Class Codes: A01D 34/4163 by triggered line feedout, e.g. bump-feeding
• CPC Class Codes: A01D 34/4167 Protection devices
• CPC Class Codes: A01D 34/84 for edges of lawns or fields, e.g. for mowing close to trees or walls for embankments A01D34/86 takes precedence; edge trimmers A01G3/00
• CPC Class Codes: Y10T 29/49826 Assembling or joining

Abstract

A weed trimmer having an accuracy shield. The accuracy shield is a generally planar, circular configuration that is attached to a weed trimmer at a location in a plane generally parallel to the plane of the rotating line and in close proximity thereto between the rotating line and the housing having a debris shield. The accuracy shield protects the line from being severed too short and also provides a convenient guide for edging wherein the cut is uniform and easy to control.

Claims

1. A method of constructing a weed trimmer comprising the steps of:

providing a weed trimmer comprising an elongated shaft having a distal end with a housing non-rotatably affixed thereto and a proximal end, a rotating device at the proximal end and a rotating spindle located at the distal end and rotated by the rotating device, the spindle having a line extending outwardly therefrom to cut vegetation,

providing a one piece, generally planar accuracy shield having a central opening dimensioned to fit over the rotating spindle and having a larger, generally circular section and a smaller section of an increased radius with respect to the larger, generally circular section,

providing a bracket,

affixing the accuracy shield to the housing in a fixed position with respect to the housing by attaching the bracket to both the housing and the accuracy shield such that the central opening fits over the rotating spindle and the accuracy shield is positioned in a plane that is parallel to the plane of the rotating line and,

providing a line cutter that is fixed in position with respect to the rotating spindle and cuts the line to a predetermined radius at a length slightly longer than the radius of the larger, generally circular section.

2. The method of claim 1 wherein the step of providing an accuracy shield comprises providing an accuracy shield having a tab extending outwardly therefrom and the step of providing a weed trimmer comprises providing a weed trimmer having a debris shield with a slot formed therein and the step of affixing the accuracy shield to the housing comprises inserting the tab through a slot formed in a debris shield.

8. The weed trimmer of claim 1 wherein the accuracy shield has a tab that interfits through a slot formed in the debris shield.

3. A weed trimmer for use in cutting vegetation comprising:

an elongated support shaft having a proximal end and a distal end,

a rotating device affixed to the shaft to provide a rotational movement,

a housing located at the distal end of the elongated support shaft, said housing being non-rotatably fixed with respect to the elongated support shaft, said housing having a debris shield extending outwardly therefrom,

a rotating spindle rotatabiy secured to the housing, said spindle being rotated by the rotating device, the rotating spindle having a line extending outwardly therefrom so as to rotate in a plane to cut the vegetation,

a bracket,

a generally planar accuracy shield immovably affixed to the debris shield, the accuracy shield comprised of a single piece unit having a larger, generally circular section and a smaller section of an increased radius with respect to the larger, generally circular section, the accuracy shield located in a plane generally parallel to the plane of the rotating line, said accuracy shield being attached to the housing by means of said bracket that is attached to both the housing and the accuracy shield, said accuracy shield located intermediate the rotating line and the housing in at least substantially the entire rotation of the line,

wherein a line cutter is fixed in position with respect to the rotating spindle and cuts the line to a predetermined radius at a length slightly longer than the radius of the larger, generally circular section.

4. The weed trimmer of claim 3 wherein the rotating device is located at the proximal end of the elongated support shaft.

5. The weed trimmer of claim 3 wherein the generally planar accuracy shield has two opposed outer surfaces and the plane of the rotating line is located about ¼

to ½

inch from the nearest outer surface of the accuracy shield.

6. The weed trimmer of claim 3 wherein the smaller section has a width that is slightly larger than the width of the debris shield.

7. The weed trimmer of claim 6 wherein the smaller section is about two inches wider at both sides of the debris shield.