发明名称 Actuation device for operating a sewing machine
摘要 <p>The pedal device (8) has a pretensioning unit, an actuating unit e.g. foot pedal (13), with a pedal pretensioning body (20), and lower and upper pretensioning springs (23, 24) e.g. compression springs, for pretensioning a releative movement of the pretensioning body to a housing body (21) based on a movement of the actuating element. An adjusting sleeve (29) is provided for setting a pretensioning force of one of the pretensioning springs. The pretensioning body has a guiding rod (26), which is linearly guided into a retainer of the housing body.</p>
申请公布号 EP2145991(A1) 申请公布日期 2010.01.20
申请号 EP20090008425 申请日期 2009.06.27
申请人 DUERKOPP ADLER AG 发明人 HARDER, JAKOB
分类号 D05B69/02;D05B69/06 主分类号 D05B69/02
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