Grass trimmer head and grass trimmer line suitable for a grass trimmer head

Patent metadata

Field	Value
Publication number	US-11330761-B2
Application number	US-202016808747-A
Country	US
Kind code	B2
Filing date	Mar 4, 2020
Priority date	Mar 7, 2019
Publication date	May 17, 2022
Grant date	May 17, 2022

Abstract

A grass trimmer line includes a first line body having a first free end and a first non-free end and a second line body having a second free end and a second non-free end. A length of the second line body is substantially equal to a length of the first line body. The first line body has a first feature, the second line body has a second feature corresponding to the first feature, and the second feature is different from the first feature. A connecting portion is configured to connect the first non-free end of the first line body and the second non-free end of the second line body so that the first line body and the second line body are connected into the complete grass trimmer line.

First claim

What is claimed is:

1. A grass trimmer line suitable for a grass trimmer head, comprising:
a first line body comprising a first free end and a first non-free end;
a second line body comprising a second free end and a second non-free end, wherein a length of the second line body is substantially equal to a length of the first line body, the first line body has a first feature comprising a first material, the second line body has a second feature comprising a second material and the second feature is different from the first feature; and
a connecting portion configured to connect the first non-free end of the first line body and the second non-free end of the second line body, so that the first line body and the second line body are connected into the grass trimmer line.

2. A grass trimmer line suitable for a grass trimmer head, comprising:
a first line body comprising a first free end and a first non-free end;
a second line body comprising a second free end and a second non-free end, wherein a length of the second line body is substantially equal to a length of the first line body, the first line body has a first feature, the second line body has a second feature and the second feature is different from the first feature; and
a connecting portion configured to connect the first non-free end of the first line body and the second non-free end of the second line body, so that the first line body and the second line body are connected into the grass trimmer line, and
wherein the first feature is a first color and the second feature is a second color.

3. The grass trimmer line suitable for a grass trimmer head of claim 1 , wherein the first feature further comprises a first shape and the second feature further comprises a second shape.

4. The grass trimmer line suitable for a grass trimmer head of claim 1 , wherein the first feature further comprises a first pattern and the second feature further comprises a second pattern.

5. The grass trimmer line suitable for a grass trimmer head of claim 1 , wherein the first feature further comprises a first radial dimension and the second feature further comprises a second radial dimension.

6. The grass trimmer line suitable for a grass trimmer head of claim 1 , wherein the connecting portion is an adhesive.

7. The grass trimmer line suitable for a grass trimmer head of claim 1 , wherein the connecting portion comprises a portion of the first line body or a portion of the second line body.

8. The grass trimmer line of claim 1 , wherein the connecting portion is a heat-shrinkable sleeve or an adhesive tape.

9. The grass trimmer line suitable for a grass trimmer head of claim 1 , wherein the length of the first line body is greater than or equal to 1 meter and the length of the second line body is greater than or equal to 1 meter.

10. The grass trimmer line suitable for a grass trimmer head of claim 1 , wherein a difference between the length of the first line body and the length of the second line body is less than or equal to 0.15 meters.

11. The grass trimmer line suitable for a grass trimmer head of claim 1 , wherein the first line body has the first feature from the first free end to the first non-free end and the second line body has the second feature from the second free end to the second non-free end.

12. The grass trimmer line suitable for a grass trimmer head of claim 1 , wherein the connecting portion is a portion of the first line body or a portion of the second line body.

13. A grass trimmer line suitable for a grass trimmer head, comprising:
a first line body comprising a first free end and a first non-free end; and
a second line body comprising a second free end and a second non-free end, wherein a length of the second line body is substantially equal to a length of the first line body, the first line body has a first feature, the second line body has a second feature and the second feature is different from the first feature;
wherein the second non-free end is connected to the first non-free end, and
wherein the first feature is a first color and the second feature is a second color.

14. The grass trimmer line suitable for a grass trimmer head of claim 13 , wherein the length of the first line body is greater than or equal to 1 meter and the length of the second line body is greater than or equal to 1 meter.

15. The grass trimmer line suitable for a grass trimmer head of claim 13 , wherein the first line body has the first feature from the first free end to the first non-free end and the second line body has the second feature from the second free end to the second non-free end.

16. The grass trimmer line suitable for a grass trimmer head of claim 13 , wherein a difference between the length of the first line body and the length of the second line body is less than or equal to 0.15 meters.

17. A grass trimmer head, comprising:
a spool configured for a grass trimmer line winding around; and
a head housing formed with an accommodation space for accommodating at least part of the spool, wherein the head housing is further formed with a left threading hole for the grass trimmer line to come out from a left side of the grass trimmer head, and is further formed with a right threading hole for the grass trimmer line to come out from a right side of the grass trimmer head;
wherein the grass trimmer line comprises:
a first line body comprising a first free end and a first non-free end;
a second line body comprising a second free end and a second non-free end, wherein a length of the second line body is substantially equal to a length of the first line body, the first line body has a first feature, the second line body has a second feature and the second feature is different from the first feature;
wherein the first feature is a first color and the second feature is a second color, and
a connecting portion configured to connect the first non-free end of the first line body and the second non-free end of the second line body, so that the first line body and the second line body are connected into the grass trimmer line.

Assignees

• Nanjing Chervon Ind Co Ltd

Inventors

• Guo Jianpeng
• Xu Yi

Classifications

• A01D34/4168 Primary

  Constructional details of the flexible lines · CPC title