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公开(公告)号:US3817393A
公开(公告)日:1974-06-18
申请号:US29933972
申请日:1972-10-20
Applicant: ZEPHYR AMERICAN CORP
Inventor: NEILSEN H
CPC classification number: B42F17/02
Abstract: A card holding device has arcuate slide means enabling an open card holding body element to slide back and forth arcuately on a base element to facilitate reference to the cards. The slide means comprise intimately opposed, cylindrical, upwardly arcing, slideably coacting surfaces of substantial length and of relatively large radii, enabling the body element both to tilt and to be bodily displaced forwardly and rearwardly.
Abstract translation: 卡保持装置具有弓形滑动装置,使得打开的卡保持体元件能够在基座元件上弧形地前后滑动以便于参考卡。 滑动装置包括相当长的和相当大的半径的紧密相对的,圆柱形的向上弧形的可滑动共同作用的表面,使得主体元件能够倾斜并且被身体向前和向后移位。