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    • 4. 发明授权
    • Portable handheld work apparatus and method of making the same
    • 便携式手持式工作装置及其制作方法
    • US08607760B2
    • 2013-12-17
    • US12591755
    • 2009-12-01
    • Jürgen MornhinwegMichael Schmid
    • Jürgen MornhinwegMichael Schmid
    • F02B75/22F02B67/00F02B77/04F02B77/00
    • B27B17/00F02B63/02
    • A portable handheld work apparatus has at least one work tool which is driven by an internal combustion engine (2). The engine (2) has a crankcase (20) which is formed, at least in part, by a crankcase sump (28). The work apparatus has a housing component (4) of plastic. The crankcase sump (28) is made of metal and is injection molded into the housing component (4) of the work apparatus. The engine (2) has an ignition unit which includes an ignition module (31). A simple configuration of the work apparatus results when the ignition module (31) is fixed directly and electrically conductively to the metal crankcase sump (28). For making the work apparatus, at least one attachment element for attaching a work tool carrier is fixed on the crankcase sump (28) before the crankcase sump (28) is injection molded therearound by the material of the housing component (4).
    • 便携式手持式工作装置具有由内燃机(2)驱动的至少一个作业工具。 发动机(2)具有曲轴箱(20),该曲轴箱至少部分由曲轴箱集油槽(28)形成。 工作装置具有塑料的壳体部件(4)。 曲轴箱贮槽(28)由金属制成,并被注塑成型到工作装置的壳体部件(4)中。 发动机(2)具有包括点火模块(31)的点火单元。 当点火模块(31)被直接固定并且导电地固定到金属曲轴箱集水槽(28)时,工作装置的简单结构。 为了制造作业装置,在通过壳体部件(4)的材料将曲轴箱贮存器(​​28)注射到其周围之前,用于附接作业工具载体的至少一个附接元件固定在曲轴箱油槽(28)上。