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1. 发明授权

US5180155A Apparatus for separating and gripping stacked sheets 失效
标题翻译：用于分离和运送堆叠表的装置
公开(公告)号：US5180155A
公开(公告)日：1993-01-19
申请号：US722706
申请日：1991-06-28
申请人： Toshimasa Asai
发明人： Toshimasa Asai
IPC分类号： B65H3/02 , B65H3/06
CPC分类号： B65H3/0623 , B65H3/02 , B65H2405/57 , B65H2405/581
摘要： An apparatus for picking an uppermost sheet from a stack of sheets, having a rotatable take-up roller for pressing the stack to separate an uppermost sheet, a support member for supporting the take-up roller, and a drive mechanism for moving said support member. The apparatus further includes a guide member for guiding the support member in a outward direction, and an elastic retainer plate having one end secured to the guide member. The drive mechanism, responsive to the movement of the support member, is also used to rotate the take-up roller. The take-up roller and the retainer plate cooperate to clamp the separated sheet therebetween, for gripping and separating the sheet from its stack.
摘要翻译：一种用于从一堆片材中挑选最上面的片材的装置，具有用于按压堆叠以分离最上面的片材的可旋转卷取辊，用于支撑卷取辊的支撑构件和用于使所述支撑构件移动的驱动机构。该装置还包括用于沿向外的方向引导支撑构件的引导构件和具有固定到引导构件的一端的弹性保持板。响应于支撑构件的运动的驱动机构也用于旋转卷取辊。卷取辊和保持板协作以将分离的片材夹在其间，用于将片材与其堆叠夹紧和分离。

2. 发明授权

US4674424A Presser foot lifting mechanism 失效
标题翻译：压脚提升机构
公开(公告)号：US4674424A
公开(公告)日：1987-06-23
申请号：US833912
申请日：1986-02-26
申请人： Kengo Shiomi , Toshimasa Asai , Toshiyuka Kato
发明人： Kengo Shiomi , Toshimasa Asai , Toshiyuka Kato
IPC分类号： D05B29/02
CPC分类号： D05B29/02
摘要： 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.
摘要翻译：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。

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