| 摘要 |
1485026 Delivering sheets XEROX CORP 20 Nov 1974 50307/74 Heading B8R A device for stripping sheets from an arcuate surface 20, Fig. 2, comprises a stripping element 10, Figs. 1 and 2, having a biasing surface 12 separated from the leading edge 11 by a flat surface 13 formed with grooves 14 and a bearing surface 15 adjacent the trailing edge, the element being pivoted at 16 on a support member 21 pivoted at 22 and biased by a spring 23 so as to urge the element towards the surface 20. The pivot point 16 lies on or near the tangent to the surface 20 at the edge 11, while the pivot point 22 lies on or near a line joining the edge and the point 16. The body of the element may be of hardened steel and the bearing surfaces of electro-deposited silver, chromium alloy, nickel, or copper, lead and zinc alloy, or the entire element may be of tungsten carbide.
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