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    • 36. 发明授权
    • Sliding surface for a drafting board
    • 用于牵引板的滑动面
    • US3979832A
    • 1976-09-14
    • US657724
    • 1976-02-13
    • Alejandro Arreguin
    • Alejandro Arreguin
    • B43L5/02B43L5/00
    • B43L5/025
    • A sliding surface for a drafting board allowing a draftsman to adjust a sheet of drawings on the drafting board by moving the drawing up and down without having to adjust or realign the drawing to maintain the square and straight lines thereof, the device consisting of a pair of oppositely wound rollers disposed in tandem spaced apart parallel relationship at the top and bottom edges of a drafting board and over which a flexible sheet of material is wound so as to overlie the top surface of the drafting board and provide a sliding surface thereon in that a sheet of drawings taped to the sliding surface will move therewith as it passes in an upward direction to roll onto the top roller and a downward direction to roll onto the bottom roller so that the top of the sheet of drawings may be brought to the bottom portion of the drafting table, and vice versa, thus allowing the draftsman to move the sheet of drawings up and down along the drafting board without having to readjust or realign the drawing sheet.
    • 用于牵伸板的滑动表面,允许牵伸工人通过上下移动图形来调整牵伸板上的图纸,而不必调整或重新对准图形以保持其平方和直线,该装置由一对 相对卷绕的辊在牵伸板的顶部和底部边缘处以串联的间隔开的平行关系布置,并且在其上缠绕柔性材料片以覆盖在牵伸板的顶表面上并在其上提供滑动表面,其中 被粘贴在滑动表面上的一张图纸将随着向上的方向移动而滚动到上滚筒和向下的方向上滚动到底部的滚筒上,使得图纸的顶部可以被带到底部 起草台的一部分,反之亦然,从而允许起草人沿着起草板上下移动图纸,而无需重新调整或调整 图纸。
    • 37. 发明授权
    • Magnetic plate for drawing desk lining
    • 用于绘制桌面的磁板
    • US3746992A
    • 1973-07-17
    • US3746992D
    • 1971-09-15
    • SEREMBE E
    • SEREMBE E
    • B43L5/02H01F7/20
    • B43L5/022Y10S33/01
    • A composite laminate planar structure including an upper layer of non-magnetic material and adapted to form the work surface of a drawing table, and a lower layer including a plurality of evenly arranged and elongated permanent magnets seated into corrugations of a corrugated sheet of high magnetical permeability to provide on said surface a plurality of spots of opposite polarity and capable of magnetically attracting ferrous strips superimposed to drawing paper sheet laid on and thus secured to said work surface.
    • 一种复合层压板平面结构,其包括非磁性材料的上层并且适于形成拉制工作台的工作表面,以及下层,其包括多个均匀排列且细长的永久磁铁,其位于波纹状的高磁性材料 在所述表面上提供多个相反极性的点,并且能够磁性吸引含铁条带叠加在所述布置在所述工作表面上并由此固定到所述工作表面上的纸张上。
    • 38. 发明授权
    • Poster board for accounting forms
    • 会计师事务所
    • US3722922A
    • 1973-03-27
    • US3722922D
    • 1970-03-10
    • LITTON BUSINESS SYSTEMS INC
    • PEREZ G
    • B41L3/04B41L3/06B43L5/02
    • B41L3/04B41L3/06B43L5/02
    • A folding poster board on which accounting forms are mounted, including a clamping means for clamping the forms to the board and a stripper plate for stripping forms from the board. A separate operating plate is provided for operating the stripper plate. The clamping member is mounted for rotation about a first axis, and the stripping plate and operating plate are mounted for rotation about a second axis parallel to and spaced from the first axis. Toggle spring means holds the clamping member resiliently in its open and closed positions. The operating plate for the stripper plate is resiliently biased away from the latter towards a relative position where further movement of the operating member will operate the stripper member. The board comprises first and second board members hinged together. When the second board member is folded over to cover the first board member, the clamping member, when moved to closed position, will engage the second board member and thereby prevent the poster board from inadvertently coming open.
    • 安装有会计形式的折叠海报板,包括用于将形式夹持到板的夹紧装置和用于从板剥离形状的剥离板。 提供单独的操作板用于操作剥离板。 安装夹紧构件以围绕第一轴线旋转,并且拆卸板和操作板安装成围绕平行于第一轴线并与第一轴线间隔开的第二轴线旋转。 拨动弹簧装置将夹紧构件弹性地保持在其打开和关闭位置。 用于剥离板的操作板被弹性偏压从其向相对位置移动,其中操作构件的进一步移动将操作剥离器构件。 板包括铰接在一起的第一和第二板构件。 当第二板构件折叠以覆盖第一板构件时,夹紧构件在移动到关闭位置时将接合第二板构件,从而防止海报板无意地打开。