【国外标准】 Outdoor Power Equipment - Internal Combustion Engine - Powered Hand-Held Edgers - Safety and Environmental Requirements

The requirements of this Standard apply to: (a) Internal combustion engine杙owered, hand-held edgers having at least one ground-support and a rigid cutting blade that has a blade tip circle of not morethan 254 mm (10 in); and (b) Internal combustion engine杙owered, hand-held, multi-purpose units when configured as an edger. This standard is not applicable to gasoline-powered edgers and edger-trimmers that employ a cutting means that: (a) Is made of nonmetallic flexible line; or (b) Consists of more than one piece, e.g., pivoting chains or flail blades; or (c) Is made of a solid, circular blade, e.g., circular saw blade. This standard is also not applicable to non-hand-held edgers. NOTE ?English conversions are shown in brackets and are included for information only. The requirements of this standard do not cover blades not approved for use by the equipment manufacturer. However, this standard may be used by a component manufacturer to qualify after-market blades. Should the manufacturer of after market blades choose to comply with this standard, the manufacturer shall test the blades on the appropriate units and keep records related to the test results. The effective implementation date of this standard shall be two (2) years after the publication date and shall apply to all products built after that date. Manufacturers may also comply with this standard any time after the approval date.