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    • 1. 发明授权
    • Laterally pivotable upper feed dog
    • 可左右摆动的上喂狗
    • US4417536A
    • 1983-11-29
    • US333317
    • 1981-12-22
    • Kengo Shiomi
    • Kengo Shiomi
    • D05B27/04D05B29/06D05B27/06
    • D05B27/04D05B29/06
    • The upper feed dog for the cloth feed mechanism of a sewing machine can be moved sideways from a position opposing the sewing area to be separated from the sewing area to thus facilitate needle exchange and threading. The cloth feed mechanism of the sewing machine includes lower feed dogs which move towards and away from as well as longitudinally to a throat plate and a support member. The support member has an upper feed dog secured thereon which moves, interlocked with a driving member, in four directions above the upper surface of the throat plate with a phase in the vertical movement opposite that of the vertical movement of the lower feed dog and with a phase in the longitudinal movement identical to that of the longitudinal movement of the lower feed dog for feeding the cloth in synchronism with the lower feed dog. The support member is supported rotatably about a vertical shaft so as to oppose or separate the feed dog to or from the sewing area.
    • 用于缝纫机的送布机构的上送料爪可以从与缝纫区域相对的位置侧向移动以与缝合区域分离,从而便于换针和穿线。 缝纫机的送布机构包括朝向和远离以及纵向移动到喉板和支撑构件的下进给爪。 支撑构件具有固定在其上的上供料爪,其上与驱动构件互锁,在上述表面上方的四个方向上以相对于下供料斗的垂直运动相反的相位移动,并与 纵向运动中的相位与下馈送狗的纵向移动相位相同,用于与下馈送狗同步地馈送布。 支撑构件围绕垂直轴可旋转地支撑,以将馈送狗与缝纫区域相对或分离。
    • 3. 发明授权
    • Presser foot lifter in sewing machine
    • 压脚机在缝纫机上
    • US4706587A
    • 1987-11-17
    • US804637
    • 1985-11-19
    • Kengo Shiomi
    • Kengo Shiomi
    • D05B29/02D05B29/00
    • D05B29/02
    • This invention relates to a presser foot lifter in a sewing machine. The presser foot lifter comprises a pressure relief mechanism for lessening the force of a spring means adapted to bias a presser foot towards a throat plate, a presser foot drive mechanism for lifting the presser foot and a manual operation mechanism operable by the operator. When the operation mechanism is actuated, the pressure relief mechanism operates to lessen the force of the spring means and the presser foot drive mechanism operates to lift the presser foot. According to the present invention, the presser foot can be lifted to any desired height.
    • PCT No.PCT / JP84 / 00140 Sec。 371日期:1985年11月19日 102(e)1985年11月19日PCT PCT Fils 3月28日,PCT PCT。 公开号WO85 / 04430 1985年10月10日的日期。本发明涉及一种缝纫机中的压脚升降机。 压脚升降机包括用于减轻适于将压脚朝向喉板偏压的弹簧装置的力的压力释放机构,用于提升压脚的压脚驱动机构和由操作者操作的手动操作机构。 当操作机构被致动时,减压机构操作以减小弹簧装置的力,并且压脚驱动机构操作以提升压脚。 根据本发明,压脚可以提升到任何期望的高度。
    • 5. 发明授权
    • Presser foot lifting mechanism
    • 压脚提升机构
    • US4674424A
    • 1987-06-23
    • US833912
    • 1986-02-26
    • Kengo ShiomiToshimasa AsaiToshiyuka Kato
    • Kengo ShiomiToshimasa AsaiToshiyuka Kato
    • D05B29/02
    • D05B29/02
    • In a sewing machine, a presser foot lifting mechanism provides two springs, a first spring the compression of which can be changed by a solenoid actuated coil linkage and a second spring the compression of which can be changed by an operator's knee-action for lowering a presser foot. An operation lever rotated by an operator's knee-action controls the timing of solenoid action. A positional difference or gap is provided for the operation lever between a "solenoid on" position and a "first spring off" position, so that an operator can rotate the operation lever without feeling the resisting force of the first spring.
    • 在缝纫机中,压脚提升机构提供两个弹簧,第一弹簧的压缩可以通过螺线管致动的线圈联动装置改变,第二弹簧的压缩可以通过操作者的膝盖动作来改变, 压脚。 由操作者的膝盖动作而旋转的操作杆控制螺线管动作的定时。 在“螺线管开”位置和“第一弹簧关闭”位置之间为操作杆提供位置差或间隙,使得操作者可以在不感受到第一弹簧的抵抗力的情况下旋转操作杆。