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    • 2. 发明授权
    • Aspheric plano eyewear
    • 非球面平面眼镜
    • US6019469A
    • 2000-02-01
    • US149629
    • 1998-09-08
    • Keith FecteauJames HallRaoul DesyJohn SalceDavid M. Hasenauer
    • Keith FecteauJames HallRaoul DesyJohn SalceDavid M. Hasenauer
    • G02C7/00A61F9/02G02C7/02G02C7/04
    • A61F9/028A61F9/029G02C7/02
    • A novel plano lens and eyewear incorporating such lens is presented wherein the piano lens comprises a front surface curvature which is created by rotating an aspheric shape about an axis which is offset from an axis of the aspheric shape. In a preferred embodiment, the aspheric shape is an ellipse or at least is an aspheric shape, a segment of which has an elliptical arc. This elliptical arc is rotated about an axis spaced (offset) some distance from a major or minor axis of the ellipse. In a more preferred embodiment, the ellipse is rotated about an axis spaced from and parallel to the major or minor axis of the ellipse, but in the same plane as the ellipse. The resulting surface of this preferred lens configuration will have a cross-section in a first axis which is a segment of an ellipse, and a cross-section in a second axis (perpendicular to the first axis) which is a segment of a circle. A significant feature of the preferred front lens configuration is that the surface generated is rotationally symmetric.
    • 提出了一种新颖的平面透镜和包含这种透镜的眼镜,其中,钢琴镜片包括通过围绕非球面形状的轴偏移的轴旋转非球面形状而产生的前表面曲率。 在优选实施例中,非球面形状是椭圆形,或者至少是非球面形状,其一部分具有椭圆弧。 该椭圆弧围绕与椭圆的主轴或短轴间隔(偏移)一定距离的轴旋转。 在更优选的实施例中,椭圆围绕与椭圆的主轴或短轴平行但与椭圆相同的平面旋转。 该优选透镜构造的所得表面将在第一轴线上具有椭圆形截面的横截面,以及作为圆形部分的第二轴线(垂直于第一轴线)的横截面。 优选的前透镜配置的显着特征在于所生成的表面是旋转对称的。
    • 9. 发明授权
    • Protective eyewear with adjustable strap
    • 防护眼镜带可调节表带
    • US06276795B1
    • 2001-08-21
    • US09542238
    • 2000-04-04
    • James HallJohn E. SalceRaoul Desy
    • James HallJohn E. SalceRaoul Desy
    • G02C1108
    • A61F9/026A61F9/025A61F9/027A61F9/028A61F9/029G02C3/003G02C5/2263G02C7/02G02C11/08
    • Safety eyewear is presented which is provided with particulate and liquid sealing around a frame containing lens/lenses and having temples that provide adjustment of the eyewear to a pantoscopic angle. The eyewear is provided with an adjustable strap assembly for better fit to the wearer's head. The eyewear lens/frame includes a plurality of projections that define various pantoscopic angles. The temple end piece includes a set of recesses that engage the projections formed on the lens/frame which temple end piece is rotated relative to the lens/frame to set the pantoscopic angle. The adjustable strap assembly further adjust the fit of the eyewear and can be unbuckled for snaplocked attachment of the eyewear directly to other safety equipment such as noise suppression ear muffs, communication head phones, breathing masks and the like. A plurality of ventilation channels is disposed on the frame to provide indirect ventilation. The frame includes a skirt which is designed to prevent unwanted foreign matter, including liquids, from entering underneath the eyewear and making contact with the eyes of a user.
    • 提供了安全眼镜,其在包含透镜/透镜的框架周围设置有颗粒和液体密封,并且具有将眼镜调节到俯仰角度的镜腿。 眼镜上设置有可调节的皮带组件,以更好地适合佩戴者的头部。 眼镜透镜/框架包括限定各种俯仰角的多个突起。 镜腿端部包括与透镜/框架上形成的突起接合的一组凹部,其中镜腿端部相对于镜片/框架旋转以设定俯仰角度。 可调节带组件进一步调节眼镜的配合,并且可以将眼镜直接附着到其他安全设备(例如噪声抑制耳罩,通信头戴式电话,呼吸面罩等)上而不用弯曲。 多个通风通道设置在框架上以提供间接通风。 框架包括裙部,其设计成防止不想要的异物(包括液体)进入眼镜下方并与用户的眼睛接触。