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    • 15. 发明授权
    • Display easel with self-adjusting paper clamp
    • 显示画架带自动调整纸夹
    • US5152490A
    • 1992-10-06
    • US745913
    • 1991-08-16
    • Dennis Deutsch
    • Dennis Deutsch
    • A47B97/04
    • A47B97/04
    • A display easel for placement on a desk or table functions as an erasable writing board, an easel to hold display placards, and a loose paper clipboard. The loose papers are held to the display easel by a self-adjusting clamp mechanism which automatically adjusts itself to the thickness of the paper pad and grips the papers to be held. The clamp mechanism comprises a cylindrical rod that slides up and down in a slot within a housing that receives the pad of loose papers. The pad is held fast to the display board by the cylindrical rod. The cylindrical rod slides up and down the housing, as needed, to accommodate the thickness of the pad.
    • 用于放置在桌子或桌子上的展示架可用作可擦写书写板,用于容纳展示标示牌的画架和松散的书写板。 松散的纸张通过自动调节夹紧机构固定在展示架上,该自动调节夹紧机构可自动调节纸张的厚度,并夹持要保持的纸张。 夹紧机构包括圆柱形杆,其在容纳松散纸的垫的壳体内的槽中上下滑动。 该垫通过圆柱形杆固定在显示板上。 根据需要,圆柱形杆沿壳体上下滑动以适应垫的厚度。
    • 16. 发明授权
    • Stackable presentation board with collapsible legs and pad holder
    • 可堆叠的演示板与可折叠的腿和垫座
    • US5518217A
    • 1996-05-21
    • US273660
    • 1994-07-12
    • Dennis DeutschJeffrey S. BrowerLindsay A. Brown
    • Dennis DeutschJeffrey S. BrowerLindsay A. Brown
    • A47B97/08A47B97/04
    • A47B97/08
    • A novel presentation board has a body of molded plastic which forms a strong, hollow, lightweight unit with a projecting tray and grip on a front surface and a corresponding recesses on a rear surface so the units can be conveniently stacked. The front surface of the body bears an extruded track for insertion and replacement of a whiteboard or other writing surface. The whiteboard is secured at a top edge of the body by two metal pegs, sized and spaced apart to accept a prepunched pad of flip chart paper, that pass through the whiteboard into threaded inserts in the plastic body. The grip protrudes from a top edge of the whiteboard and is slidably mounted on the pegs. When slid into a lower position, the grip hides the pegs and locks the pad in position. A pair of U-shaped tubular metal legs can be slid into channels in a rear surface of the body. The channels are covered, at all but part of their lower ends, by cover plates. Grasping the lower leg ends allows one to slide the legs from the unit. One leg slides straight down remaining in the plane of the board. A second leg slides part of the way down and then is automatically pivoted to the rear by torsion springs, thereby forming a convenient prop to elevate the board.
    • 一个新颖的演示板具有一个成型塑料体,它形成一个强大的,中空的,轻便的单元,它具有一个突出的托盘和把手在前表面上和相应的后表面上的凹槽,所以可以方便地堆放单元。 身体的前表面具有用于插入和更换白板或其他书写表面的挤出轨道。 白板通过两个金属钉固定在主体的顶部边缘,尺寸和间隔开,以接受预先穿过的活页纸的垫,其通过白板进入塑料体中的螺纹插入物。 手柄从白板的顶部边缘突出并可滑动地安装在钉子上。 当滑动到较低的位置时,手柄将钉子隐藏并将垫锁定到位。 一对U形管状金属腿可以滑入身体后表面的通道中。 通道被盖板覆盖,除了它们的下端部分之外。 抓住小腿端允许人们从设备中滑出腿部。 一条直线向下滑动,剩余在板的平面上。 第二条腿部分向下滑动,然后通过扭转弹簧自动枢转到后部,从而形成方便的支撑以提升电路板。