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    • 142. 发明授权
    • Optical systems permitting controlled shifting of the beam pattern in
headlamps, especially for vehicles
    • 光学系统允许光束图案在前照灯中的控制移动,特别是用于车辆
    • US4345303A
    • 1982-08-17
    • US191499
    • 1980-09-29
    • Roland GerardNorbert BrunJacques Ricard
    • Roland GerardNorbert BrunJacques Ricard
    • F21S8/10B60Q1/06F21V5/00F21V14/00F21V14/06B60Q1/00
    • F21S48/1721B60Q1/06F21S48/1233
    • A vehicle headlamp is constructed with its reflector and front lens adapted to be fixedly mounted in the bodywork of the vehicle, but incorporates a beam deflecting system, in order that the direction of the beam may nonetheless be adjusted. In one form, the beam deflecting system comprises two Fresnel lenses, mounted face to face in a position to intercept the whole of the headlamp beam, one being equivalent to a diverging lens with cylindrical surfaces, and one being equivalent to a converging lens with cylindrical surfaces. In a neutral position, the effects of the two lenses cancel out, so that no deflection of the beam occurs. One of the lenses is movable in translation away from the neutral position, so that a deflection of the beam occurs, without any other change in the beam pattern. In modified embodiments, the stationary Fresnel lens is not used; instead, its effect is produced by using a reflector of modified shape.
    • 车辆前照灯构造有其反射器和前透镜,其适于固定地安装在车辆的车身中,但是包括光束偏转系统,以便可以调节光束的方向。 在一种形式中,光束偏转系统包括两个菲涅耳透镜,其面对面地安装在一个位置上,以拦截整个前照灯光束,一个相当于具有圆柱形表面的发散透镜,一个相当于具有圆柱形的会聚透镜 表面。 在中立位置,两个透镜的效果抵消,使得光束不发生偏转。 其中一个透镜可以平移离开中性位置,从而发生光束的偏转,而不影响光束图案的任何其它变化。 在修改实施例中,不使用固定菲涅尔透镜; 而是通过使用改进形状的反射器产生其效果。
    • 143. 发明授权
    • Mount for instruments and the like
    • 仪器和类似的安装
    • US3570799A
    • 1971-03-16
    • US3570799D
    • 1969-10-07
    • RITE AUTOTRONICS CORP
    • SCHWARTZ EDWIN L
    • B60Q1/06B60Q1/32
    • B60Q1/06
    • A mount for attaching an instrument or other article to a mounting surface. The mount includes a mounting bracket having a base to be attached to the mounting surface and a pair of parallel sidewalls rising from the base for straddling a coupling tongue on the article to be supported. The sidewalls are formed with outwardly directed flanges along their edges and with slots which open endwise through the sidewall edges and flanges. The article is attached to the mounting bracket by means of a coupling pin which extends through the bracket slots and the article coupling tongue. This coupling pin has enlarged shoulder elements which project laterally beyond the sides of the slots and under the sidewall flanges to effectively captivate the pin against axial and lateral separation from the bracket. The mounting bracket is uniquely shaped to be cast in finished form without the aid of removable cores, thus to minimize production cost.