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    • 2. 发明授权
    • Transparent or translucent earmuff cup
    • 透明或半透明的耳罩杯
    • US6151717A
    • 2000-11-28
    • US357217
    • 1999-07-20
    • Fredrik LindgrenBrian MyersJames Hall
    • Fredrik LindgrenBrian MyersJames Hall
    • A61F11/14A61F11/08
    • A61F11/14
    • The present invention provides an earmuff device comprising an earmuff cup having at least a window portion which is formed of an optical material which transmits light rays in such a way that the human eye can see through the material to a degree that an earplug or other object inserted within the ear is visually perceivable to the human eye. In other words, the earmuff cup is formed of a transparent material or a translucent material so long as the earplug inserted within the wearer's ear is visually perceivable through the translucent portion of the earmuff cup. Because the earmuff cup is formed of a material that permits an individual, such as a supervisor or hearing conservationist, to perceive whether an earplug is inserted within the wearer's ear, the earmuff device of the present invention is particularly well suited for use in a dual hearing protection environment in which the previous method of compliance monitoring was time consuming and difficult.
    • 本发明提供了一种耳罩装置,其包括具有至少一个窗口部分的耳罩杯,所述窗口部分由光学材料形成,所述光学材料透射光线,使得人眼可以通过材料看到一定程度的耳塞或其它物体 插入耳朵内的人眼可视觉感知。 换句话说,耳罩杯由透明材料或半透明材料形成,只要插入穿戴者耳朵内的耳塞通过耳罩杯的半透明部分在视觉上可感知即可。 因为耳罩杯由允许诸如主管或听觉保护者的个体感知耳塞是否插入佩戴者的耳朵内的材料形成,所以本发明的耳罩装置特别适用于双重 听力保护环境,以前的遵守监测方法耗时且困难。
    • 9. 发明授权
    • Machine for voiding playing cards
    • 排空扑克牌的机器
    • US6010131A
    • 2000-01-04
    • US114676
    • 1998-07-13
    • Brian Myers
    • Brian Myers
    • A63F1/06B65H3/04B65H35/02
    • B65H3/042A63F1/06B65H35/02A63F2250/58Y10T83/783
    • A machine (20) for voiding playing cards (30) utilizes a card receptacle (22), a feed apparatus (24), and rotary cutting implements (52, 54) to void playing cards (30) at high speed. The card receptacle (22) stacks the playing cards (30) substantially vertically above the feed apparatus (24), and the feed apparatus (24) includes feed belts (40) which repeatedly feed the bottom cards of the stack to the cutting implements (52, 54). Card movers (56, 57) are mounted adjacent to the cutting implements (52, 54) for rotation therewith and grip the cards (30) to move the cards (30) between the cutting implements (52, 54).
    • 用于排空纸牌(30)的机器(20)利用卡插座(22),馈送装置(24)和旋转切割工具(52,54)以高速空白纸牌(30)。 卡片插座(22)将纸牌(30)基本垂直地堆叠在进给装置(24)的上方,并且进给装置(24)包括馈送带(40),其将堆叠的底部卡片重复地馈送到切割工具 52,54)。 卡片移动器(56,57)相邻于切割工具(52,54)安装以与之一起转动,并且夹持卡片(30)以在切割工具(52,54)之间移动卡片(30)。