Cutting head for a string trimmer
US6594907B2 · kind B2 · utility
21Cited by
9References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 2001 |
| Grant date | Jul 22, 2003 |
| Priority date | — |
| Expiry date | Aug 31, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/4162
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A string trimmer comprising an elongate shaft, a cutting head rotatably mounted on one end of the elongate shaft wherein the head comprises: a base; a cap; a spool rotatable mounted in the cap; an autofeed mechanism mounted within the cap and which interacts between the cap and the spool; wherein the cap is releasably attachable to the base. The cap clips into the base. The cap comprises a first part, and the base comprises a second part wherein two resilient deformable arms having ribs formed on the end of the arms are mounted on one part and which engage with corresponding holes formed in the other part.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.