Show instrument and display system

It shields show instrument and sample to provide one. The show instrument can contain frame construction, the operatable drive assembly that is connected with frame construction to and the masking material that links to each other with drive assembly is so that it is in corresponding removal. Operation drive assembly can make the masking material remove before opening position and closed position. The show instrument can permit the user to advance line location and operation at building open -ended annex to the covering sample to overall operation, outward appearance, translucence, texture or other characteristics of covering are evaluateed to material directional according to the angle and the sample. 提供了个遮蔽展示工具与样品。展示工具可包含框架结构，与框架结构连接的可操作的驱动组件，以及与驱动组件相连的遮蔽材料以使其在相应移动。操作驱动组件可使遮蔽材料在打开位置和关闭位置之前移动。展示工具可允许用户在建筑开口的附件对覆盖物样品进行定位和操作，以根据角定向和样品的材料评估覆盖物的整体运作、外观、半透明度、质地或其他特性。