Quick loading trimmer head
US10334778B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 18, 2015 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | Dec 11, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01D34/90
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A hand-held cutting device (10) including an elongated member (45) graspable along a portion thereof by an operator, a trimmer head (25) disposed at one end of the elongated member, and a power unit operably coupled to the trimmer head to selectively cause rotation of the trimmer head, wherein the trimmer head comprises a line holding assembly (110) to hold and selectively release the trimmer line (70) and a housing to house the line holding assembly, wherein the line holding assembly includes a core (340) having a first portion (342) and a second portion (350), and a spool (130) configured to hold trimmer line that is operably coupled to the core, and wherein the second portion of the core is non-rotatably fixed to the first portion of the core when the trimmer head is in an at-rest state, and is rotatable with respect to the first position of the core when the trimmer head is in an in-use state and rotating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.