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    Ventilated helmet with selected weight distribution
    4.
    发明授权
    Ventilated helmet with selected weight distribution 失效
    选择配重的通风头盔

    公开(公告)号：US4028739A

    公开(公告)日：1977-06-14

    申请号：US701940

    申请日：1976-07-02

    申请人： Richard L. Bell ,  Matthew J. Lamb

    发明人： Richard L. Bell ,  Matthew J. Lamb

    IPC分类号： A42B3/22 ,  A42B3/28 ,  A62B18/04 ,  A42B3/00

    CPC分类号： A42B3/228 ,  A42B3/28 ,  A62B18/04

    摘要： An improved, lightweight helmet and visor assembly suitable for use in higherformance aircraft during flight and ejection, if necessary, of the pilot. A plurality of holes are formed in the forward area of the crown region of the helmet shell beneath a visor guard and along the side edges of the visor guard to relocate the center of gravity of the helmet, reduce the aerodynamic pressure of windblast during ejection, increase stability during high acceleration, increase ventilation and cooling, and increase comfort to the pilot while maintaining the structural integrity of the helmet.

    摘要翻译： 一种改进的，轻量级的头盔和遮阳板组件，适用于飞行和飞行中的高性能飞机，如有必要，飞行员。 多个孔形成在头盔壳的冠部区域的前部区域中，在护目镜的下方并且沿着护目镜的侧边缘重新定位头盔的重心，降低喷射期间的喷气机的空气动力压力， 增加高加速度时的稳定性，增加通风和冷却，并增加飞行员的舒适度，同时保持头盔的结构完整性。

    Headgear suspension system
    5.
    发明授权
    Headgear suspension system 失效
    头饰悬挂系统

    公开(公告)号：US4024586A

    公开(公告)日：1977-05-24

    申请号：US711944

    申请日：1976-08-05

    申请人： Matthew J. Lamb

    发明人： Matthew J. Lamb

    IPC分类号： A42B3/12 ,  A42B3/02

    CPC分类号： A42B3/124 ,  A42B3/127 ,  A42B3/28 ,  Y10S2/909

    摘要： A selectable plurality of removable pads are placed one on top of another re and aft between a rigid helmet and an inner flexible helmet for fitting and suspending a single size of the rigid helmet to varying head contours. The pads are comprised of ventilated spacer material having attached on opposing surfaces thereof mating fastening elements for securing the pads both to each other and between the rigid and flexible helmets. The pads provide for ventilation and cooling and stabilize the rigid helmet on the head.

    摘要翻译： 可选择的多个可拆卸的垫片一个放置在另一个前后的顶部之间，在刚性头盔和内部柔性头盔之间，用于将单个尺寸的刚性头盔安装和悬挂到变化的头部轮廓上。 垫片由通风隔板材料构成，该隔板材料在其相对的表面上具有配合的紧固元件，用于将垫片彼此固定在刚性和柔性头盔之间。 垫片提供通风和冷却，并使头盔上的刚性头盔稳定。