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1. 发明授权

US3779539A Holding apparatus for sheet material 失效
标题翻译：夹具材料
公开(公告)号：US3779539A
公开(公告)日：1973-12-18
申请号：US3779539D
申请日：1972-05-16
申请人： OB MASCO DRAPERY HARDWARE CO
发明人： ZIERS D
IPC分类号： A41H15/00 , B23Q3/02 , D06H1/00 , B23Q3/00 , D06C3/08
CPC分类号： A41H15/00 , B23Q3/02 , D06H1/006
摘要： Apparatus for clamping drapery and other sheet material placed upon a table, which comprises an elongate body or carriage which is movable along the table and which can be secured in any desired position, supporting means pivotally mounted on such body and extending forwardly thereof in a first position of such supporting means, an elongate clamping member extending lengthwise of the body below the supporting means in such first position thereof, means mounting the clamping member on the supporting means for vertical movement with respect thereto and into and out of engagement with the sheet material placed on the table, means for retaining the clamping member in a position above the table and out of contact with the sheet material and means for shifting such clamping member downwardly and into clamping engagement with the sheet material on the table. Important features of the invention include means for pivotally moving the supporting means and the clamping bar to a second position rearwardly of the forward edge of the elongate body to permit a full view of the edge portion of the sheet material adjacent the forward edge of the elongate body and means releasably locking the supporting means in each of the first and second positions thereof.
摘要翻译：用于夹紧放置在桌子上的帷幔和其它片材的装置，其包括可沿桌子移动并且可固定在任何期望位置的细长主体或托架，枢转地安装在该主体上并以第一这种支撑装置的位置，在其第一位置处在支撑装置下方长度方向延伸的细长夹紧构件意味着将夹紧构件安装在支撑装置上，用于相对于支撑装置垂直运动并进入和脱离与片材的接合放置在工作台上的装置，用于将夹紧构件保持在工作台上方的位置并与片材不接触的装置和用于将这种夹紧构件向下移动并与桌子上的片材夹紧接合的装置。本发明的重要特征包括用于将支撑装置和夹持杆枢转地移动到细长主体的前边缘的后方的第二位置的装置，以允许片材的边缘部分与细长体的前边缘相邻的全视图主体和装置可释放地将支撑装置锁定在其第一和第二位置中的每一个中。

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