前言这是协调CSA集团和UL标准，适用于电动手持工具、可移动工具以及草坪和花园机械的安全性。第4-4部分:草坪修剪机、草坪边缘修剪机、草坪修剪机、刷子切割器和刷子锯的特殊要求。这是CSA C22的第一版。2号62841-4-4和第一版UL 62841-4-4。本协调标准基于2020年11月发布的IEC出版物62841-4-4:第一版，电动手持工具，可移动工具以及草坪和花园机械-安全-第4-4部分:草坪修剪机，草坪边缘修剪机，草坪修剪机，刷子切割机和刷子锯的特殊要求。IEC出版物62841-4-4的版权归IEC所有。本协调标准由CSA集团和美国保险商实验室有限公司编制。 （UL）。感谢国际协调委员会（IHC）为采用手持式、电动和可移动工具以及草坪和花园机械的IEC系列标准所做的努力和提供的支持。本标准适用于本标准规定范围内的合格评定。本标准由CSA手持式电动工具安全小组委员会审查，由CSA消费品和商业产品技术委员会和CSA电气安全要求战略指导委员会管辖，并已由CSA技术委员会正式批准。本标准的制定符合加拿大标准委员会对加拿大国家标准的要求。 CSA集团已将其作为加拿大国家标准发布。范围第1部分的本条款适用，但以下情况除外:补充:本文件适用于站立操作员用于割草、杂草或类似软植被的手持式和步行式草坪修剪机和草坪边缘修剪机，以及站立操作员用于割草、杂草、灌木丛、树苗和类似植被的草坪修剪机、刷子切割机和刷子锯。本文件不适用于重量大于等于18 kg的手持机器自行式草坪修剪机或草坪边缘修剪机；-剪式草坪修剪机和草坪边缘修剪机配备有金属切割配件（由多个部件组成）的机器，例如旋转链或连枷刀片；-带有刚性和/或金属切割装置的磨边机。 注101:自由旋转的非金属切削元件不被视为刚性切削装置。注102:IEC 62841-4的未来部分将涵盖带有刚性或金属切割装置的磨边机。注103:附录EE提供了草坪修剪机、草坪边缘修剪机、草坪修剪机、刷子切割机和刷子锯的特征信息摘要。本文件涵盖的电刷切割机和电刷锯的设计仅适用于操作员右侧的机器操作。

PrefaceThis is the harmonized CSA Group and UL standard for Electric Motor-Operated Hand-Held Tools, Transportable Tools and Lawn and Garden Machinery - Safety - Part 4-4: Particular Requirements for Lawn Trimmers, Lawn Edge Trimmers, Grass Trimmers, Brush Cutters and Brush Saws. It is the First edition of CSA C22.2 No. 62841-4-4, and the First edition of UL 62841-4-4. This harmonized standard is based on IEC Publication 62841-4-4: First edition, Electric Motor-Operated Hand-Held Tools, Transportable Tools and Lawn and Garden Machinery - Safety - Part 4-4: Particular Requirements for Lawn Trimmers, Lawn Edge Trimmers, Grass Trimmers, Brush Cutters and Brush Saws issued November 2020. IEC publication 62841-4-4 is copyrighted by the IEC. This harmonized standard was prepared by CSA Group and Underwriters Laboratories Inc. (UL). The efforts and support of the International Harmonization Committee (IHC) for the adoption of the IEC series of Standards for Hand-Held, Motor-Operated, and Transportable Tools and Lawn and Garden Machinery UL are gratefully acknowledged. This standard is considered suitable for use for conformity assessment within the stated scope of the standard.This standard was reviewed by the CSA Subcommittee on Safety of Hand-Held Motor-Operated Electric Tools, under the jurisdiction of the CSA Technical Committee on Consumer and Commercial Products and the CSA Strategic Steering Committee on Requirements for Electrical Safety, and has been formally approved by the CSA Technical Committee. This standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.ScopeThis clause of Part 1 is applicable, except as follows: Addition: This document applies to hand-held and walk-behind lawn trimmers and lawn edge trimmers, used by a standing operator for cutting grass, weeds or similar soft vegetation, and grass trimmers, brush cutters and brush saws used by a standing operator for cutting grass, weeds, brush, bushes, saplings and similar vegetation. This document does not apply to - hand-held machines having a mass of 18 kg or greater; - self-propelled lawn trimmers or lawn edge trimmers; - scissors type lawn trimmers and lawn edge trimmers; - machines equipped with metallic cutting accessories consisting of more than one piece, e.g. pivoting chains or flail blades; - edgers with rigid and/or metallic cutting devices.NOTE 101 Freely pivoting non-metallic cutting elements are considered not to be rigid cutting devices.NOTE 102 Edgers with rigid or metal cutting devices will be covered by a future part of IEC 62841-4.NOTE 103 Annex EE provides an informative summary of characteristics for lawn trimmers, lawn edge trimmers, grass trimmers, brush cutters and brush saws. Brush cutters and brush saws covered by this document are designed only to be operated with the machine to the right of the operator.