发明名称 |
Device for conveying and aligning sheets in sheet-processing machines |
摘要 |
A device for conveying and aligning a sheet in a sheet-processing machine, with at least one frictionally driven ball having a dome facing towards the sheets for engaging a broad surface of the sheet and for moving the sheet in its plane includes structure for supporting the ball so that it is rotatable in all directions about a fixed mid-point thereof, and at least two frictional-force transmission locations located at the periphery of the ball and disposed at least 90 DEG from one another.
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申请公布号 |
US4887810(A) |
申请公布日期 |
1989.12.19 |
申请号 |
US19880174088 |
申请日期 |
1988.03.28 |
申请人 |
HEIDELBERGER DRUCKMASCHINEN AG |
发明人 |
GRUETZMACHER, BERTOLD;BLASER, THEODOR |
分类号 |
B41F21/12;B41F21/14;B65H9/00;B65H9/10;B65H9/16 |
主分类号 |
B41F21/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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