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    • 20. 发明授权
    • Collapsible slide carousel
    • 可折叠幻灯片转盘
    • US5229799A
    • 1993-07-20
    • US857083
    • 1992-03-19
    • Fred E. SilversteinAndrew H. Proctor
    • Fred E. SilversteinAndrew H. Proctor
    • G03B23/04G03B23/06
    • G03B23/06G03B23/04
    • A collapsible slide carousel which allows for more efficient storage and transport thereof. The collapsible slide carousel includes an upper portion, a lower portion and a plurality of slide dividers pivotally secured to the upper and lower portions such that the slides can be positioned in an erect position or a collapsed position. In the erect position the slides are disposed substantially vertically as in a conventional carousel such that the slides can be viewed utilizing a conventional carousel projector. Alternatively, in the collapsed position the slides are disposed in an angular position overlapping one another in a domino-like manner allowing for more efficient storage and transportation of the carousel. The upper portion of the carousel is rotatably disposed with respect to the lower portion such that the carousel can be adjusted from the erect position to the collapsed position, and vice versa, by rotating the upper portion with respect to the lower portion. In the erect position the upper portion is displaced from the lower portion and in the collapsed position the upper portion is disposed adjacent the lower portion. The carousel further include a spring for urging the upper portion away from the lower portion such that the slides are urged toward the erect position.
    • 可折叠的滑动转盘允许更有效的储存和运输。 可折叠的滑动转盘包括上部,下部和可枢转地固定到上部和下部的多个滑动分隔部,使得滑块可以定位在直立位置或收缩位置。 在直立位置,滑块基本垂直地布置成如传统的圆盘传送带,使得可以使用传统的圆盘传送带投影仪观看幻灯片。 或者,在折叠位置,滑块以相对于彼此重叠的角度位置布置,使得圆盘传送带更有效地存储和运输。 转盘的上部相对于下部可旋转地设置,使得圆盘传送带可以通过相对于下部旋转上部,从直立位置到折叠位置,反之亦然。 在直立位置,上部从下部移位,并且在折叠位置,上部邻近下部设置。 转盘还包括用于将上部部分推离远离下部的弹簧,使得滑块朝着直立位置被推动。