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    • 3. 发明授权
    • Pantoscopic and length adjustable safety spectacle
    • 镜头长度可调安全眼镜
    • US5532767A
    • 1996-07-02
    • US504371
    • 1995-07-19
    • Daniel A. PleuneWilliam E. Roe
    • Daniel A. PleuneWilliam E. Roe
    • G02C5/20G02C5/22G02C5/14
    • G02C5/143G02C3/003G02C5/20G02C5/2263G02C2200/08
    • A safety spectacle providing front and lateral impact protection. The spectacle includes a frame, a removable lens incorporating integrated upper and lower side shields connected to the frame by means of a nose bridge, and a pair of length and pantoscopic adjustable temples arm assemblies hingedly connected to the sides of the frames. The temple arm assemblies are adjustable lengthwise by earpieces which can be locked and unlocked into slots on an intermediate arm receptacle by means of a quarter turn barrel configuration. The temples are adjustable pantoscopically by means of a pair of semicircular arms, both of which are hinged at the front to the side of the frame between a pair of outward sloping walls and inserted at the rear into a threaded ferrule. One arm is threaded inside the ferrule and allowed to move in and out when the ferrule is rotated while the mating semicircular arm is stationary, thereby varying the angle of the temple within the sloped walls and thus the frame.
    • 提供前后冲击保护的安全眼镜。 眼镜包括框架,可移除透镜,其包括通过鼻梁连接到框架的集成的上侧和下侧屏蔽件,以及一对铰链地连接到框架侧面的长度和俯仰可调节的臂部组件。 镜腿臂组件可通过听筒纵向调节,可通过四分之一转筒形结构锁定并解锁到中间臂插座上的狭槽中。 这些镜腿通过一对半圆形臂可以全方位调整,两个臂都在一对向外的倾斜壁之间的框架的前侧铰接,并在后面插入一个螺纹套圈。 一个臂被套在套圈内,当套圈旋转时允许移入和移出,同时配合的半圆形臂是固定的,从而改变了斜壁内壁和因此框架的角度。