# US 11,439,060 B2 · Arbor adapter for converting angle grinder to compact line trimmer

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- Number: US 11,439,060 B2
- Document ID: US11439060B2
- Status: Granted
- Kind: B2
- Application number: 16/602,681
- Filed: 2019-11-18
- Published: 2021-05-20
- Granted: 2022-09-13
- Earliest claimed: 2019-11-18
- Assignees: Scott Albert Seawell
- Applicants: Scott Albert Seawell
- Inventors: Scott Albert Seawell
- Web page: https://patentgrep.com/patent/US11439060B2

## CPC

- A01D 34/4166: {Mounting or replacement of the lines}
- A01D 34/4165: {Mounting of the cutter head}
- B24B 23/028: {Angle tools}
- A01D: HARVESTING; MOWING
- B24B: MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING (grinding of gear teeth B23F, of screw-threads B23G1/36; by electro-erosion B23H; abrasive or related blasting B24C; tools for grinding, buffing or sharpening B24D; polishing compositions C09G1/00; abrasives C09K3/14; electrolytic etching or polishing C25F3/00; grinding arrangements for use on assembled railway tracks E01B31/17); DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS

## Abstract

An arbor adapter for converting a common angle grinder to a compact line trimmer is disclosed. The trimmer, as converted, is powerful, efficient, and as safe as any of the typical uses for angle grinders. The prototype line trimmer is 13″ in length and may be operated with one hand if desired. Conventional line trimmers are in the 66″ range, or five times the length of the present invention. The invention requires no alteration of the factory angle grinder and guard. The invention could be modified as to material composition yet still meet the original scope and claims.

## Claims

### Claim 1

An arbor adapter for converting an angle grinder to a compact line trimmer, comprising: a puck-like disc made of 2 inch 6061 aluminum round stock that is ¾ inch in thickness forming a body of the adapter, wherein the body of the adapter incorporates a ⅝ inch threaded hole centered in the disc adapted for attachment to and angle grinder arbor and wherein the body further comprises four 0.128 inch diameter holes for accommodating placement of nylon string trimmer line and four threaded ¼ inch holes for accommodating set screws to secure said nylon string trimmer line.

### Claim 2 (depends on 1)

The arborer adapter of claim 1 wherein a unique nylon line arrangement is established having two cutting planes with eight individual trimmer lines.