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    • 8. 发明授权
    • Clock spring
    • 时钟弹簧
    • US5137463A
    • 1992-08-11
    • US756942
    • 1991-09-09
    • Kunihiko SasakiMasanori Kuramoto
    • Kunihiko SasakiMasanori Kuramoto
    • B65H75/38B60R16/02B60R16/027B65H75/48H01R35/02H02G11/00
    • B65H75/486B60R16/027H01R35/025H02G11/00
    • The present invention relates to a clock spring used for the steering system of an automobile or the like in which a flexible cable is utilized to make an electrical connection between a fixed member and a movable member. The clock spring includes a stationary housing; a rotor rotatably mounted to the stationary housing; the flexible cable wound in a cable accommodating portion defined between the stationary housing and the rotor; and a cover fixed to the stationary housing so as to cover the opened end of the cable accommodating portion. The improvement of this invention resides in a construction by which ribs are provided in the cable accommodating portion to restrict the flexible cable to a position more in the inner periphery of the rotor than in the outer periphery of the same.
    • 本发明涉及一种用于汽车等的转向系统的时钟弹簧,其中柔性电缆用于在固定构件和可动构件之间形成电连接。 时钟弹簧包括一个固定的外壳; 可旋转地安装到固定壳体的转子; 所述柔性电缆缠绕在限定在所述固定壳体和所述转子之间的电缆容纳部分中; 以及固定到固定壳体以覆盖电缆容纳部分的开口端的盖子。 本发明的改进在于一种结构,通过该结构,在电缆容纳部分中设置肋,以将柔性电缆限制在转子的内周中比在其外周更多的位置。
    • 9. 发明授权
    • Ultrasonic transducer
    • 超声波换能器
    • US4636997A
    • 1987-01-13
    • US697006
    • 1985-01-31
    • Keiichiro ToyamaMasao KoderaKunihiko Sasaki
    • Keiichiro ToyamaMasao KoderaKunihiko Sasaki
    • H04R1/34B60Q1/52G01S7/521G01S15/93G10K11/28H04R1/20
    • G01S15/931B60Q9/008G01S7/521G10K11/28Y10S367/909
    • An ultrasonic transducer comprises a cylindrical housing embedded within a rear bumper of a vehicle and opening backward, a reflecting plate having a parabolic reflecting surface provided within the cylindrical housing along a closed end thereof and facing an open end thereof, and an ultrasonic vibrator provided in an upper wall of the housing at the focus of the reflecting plate for emitting and receiving ultrasonic waves. The ultrasonic transducer transmits ultrasonic waves behind the vehicle and receives ultrasonic waves reflected from an obstacle. The ultrasonic transducer further comprises a projecting member provided on the inner wall of the housing along the open end thereof for dispersing and cancelling the ultrasonic waves entering the housing at angles with respect to the axis of the housing. The projecting member has a smoothly curving cross section having a radius of substantially one fourth to five times the wavelength of the ultrasonic waves emitted by the ultrasonic vibrator.
    • 一种超声波换能器包括嵌入在车辆的后保险杠内并向后打开的圆柱形壳体,反射板具有抛物面反射表面,该抛物面反射表面沿其封闭端设置在圆柱形壳体内并面向其开口端;以及超声波振动器, 在反射板的焦点处的壳体的上壁用于发射和接收超声波。 超声波换能器在车辆后方传递超声波,接收从障碍物反射的超声波。 超声波换能器还包括沿着开口端设置在壳体的内壁上的突出构件,用于以相对于壳体的轴线成角度分散和抵消进入壳体的超声波。 突出构件具有平滑弯曲的横截面,该横截面的半径大致是由超声波振动器发射的超声波的波长的四分之一至五倍。