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    • 8. 发明授权
    • Pedal assembly in sewing machine with potentiometer control device
    • 缝纫机踏板装配带电位计控制装置
    • US5208520A
    • 1993-05-04
    • US820982
    • 1992-01-15
    • Tatsuya SawatoHiroshi YamadaKeiichi Takikoshi
    • Tatsuya SawatoHiroshi YamadaKeiichi Takikoshi
    • D05B69/18G05G1/38
    • G05G1/38D05B69/18Y10T74/20528
    • In the pedal assembly of a sewing machine drive device, a potentiometer operating member is guided by a mounting stand secured to the pedal stand, to control the slide shaft of a direct acting type potentiometer, and a speed changing pedal including a depressing board to depress the potentiometer operating member with its one end portion is coupled to the pedal stand with the other end portion. When the speed changing pedal is stepped on, a signal is outputted to change the speed of rotation of the sewing machine according the movement of the pedal thus stepped on. The pedal stand may have an opening with which the pedal is swingably engaged. In addition, signal pedals may be arranged in alignment with the speed changing pedal with the same mounting means provided at the position of those pedals, so as to allow the pedals to swap in position with one another.
    • 在缝纫机驱动装置的踏板组件中,电位计操作构件由固定在踏板架上的安装架引导,以控制直动式电位计的滑动轴,以及包括压板的变速踏板 具有其一个端部的电位计操作构件与另一端部联接到踏板支架。 当踏上变速踏板时,输出信号以根据踏入踏板的移动来改变缝纫机的旋转速度。 踏板架可以具有可与踏板摆动接合的开口。 此外,信号踏板可以设置成与变速踏板对准,具有设置在那些踏板位置处的相同的安装装置,以便允许踏板彼此交换就位。