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    • 7. 发明授权
    • Safety interlock system for a school bus door or the like
    • 校车门等的安全联锁系统
    • US4200167A
    • 1980-04-29
    • US968495
    • 1978-12-11
    • Euliss C. Cockman, Jr.
    • Euliss C. Cockman, Jr.
    • B60R99/00E05F11/12B60R18/00
    • B60R99/00E05F11/12E05Y2900/506E05Y2900/531
    • The present invention relates to a safety interlock system that is associated with the door of a vehicle such as the door of a school bus, and which assures that the door of the vehicle is not inadvertently open and that certain safe conditions exist before the door can be opened. The safety interlock system comprises an electrically actuated locking mechanism, that includes a manual override, for locking the door handle of the vehicle. Forming a part of the safety interlock system along with the locking mechanism is an array of switch control means, all of which must be simultaneously actuated in order to unlock and release the door handle in order that the door be opened. First, the array of switch control means includes two independent switches that must be actuated by two separate individuals, preferably the driver of the vehicle and another individual such as the passenger or a monitor. In addition in a preferred embodiment, the array of switch control means includes at least one switch that is dependent upon and responsive to the velocity of the vehicle, and in particularly, is only actuated when the vehicle assumes a stationary position as evidenced by the brakes being applied and/or the transmission being placed in a neutral position.
    • 本发明涉及一种安全联锁系统,其与诸如校车门之类的车辆的门相关联,并且确保车门不会意外打开,并且在门之前存在某些安全条件 被打开 安全联锁系统包括电动锁定机构,其包括用于锁定车辆的门把手的手动超驰。 与锁定机构一起形成安全联锁系统的一部分是开关控制装置的阵列,所有开关控制装置必须同时致动,以便解锁和释放门把手以便打开门。 首先,开关控制装置的阵列包括两个独立的开关,它们必须由两个独立的个人,优选地是车辆的驾驶员和另一个人(例如乘客或监视器)致动。 另外在优选实施例中,开关控制装置的阵列包括至少一个取决于车辆速度并且响应于车辆速度的开关,并且特别地,仅在车辆呈现静止位置时被致动,如制动器所证明的 被施加和/或变速器处于中立位置。
    • 8. 发明授权
    • Starting interlock system
    • 启动互锁系统
    • US3869014A
    • 1975-03-04
    • US44366274
    • 1974-02-19
    • FMC CORP
    • FEDERSPIEL JOSEPH APAWLOWSKI EDWARD W
    • A01D34/68A01D75/20B60K17/28B60K28/10B60T11/10B60R18/00A01D75/18
    • A01D34/6818A01D75/20A01D2101/00B60K17/28B60K28/10B60T11/103B60W2540/12
    • A single snap-action, straight arm, interlock switch is pivoted to a vehicle chassis and has its body pivoted between an active position in response to locking the vehicles brakes and an inactive position when the brakes are released. When the switch body is in its active position the switch element is contacted to activate or close the switch only after a power take-off mechanism has been moved to a position which disengages the power take-off at which time the interlock switch is closed thereby partially preparing the engine starting circuit allowing the engine to be started upon closing of a start switch. If either the power take-off lever is in its engaged position or the brakes are released, the single interlock switch will not be closed but will remain in its normal open position thereby preventing starting of the engine by closing the start switch.
    • 单个卡扣动作,直臂,互锁开关枢转到车辆底盘,并且当其被释放制动器时,其主体响应于锁定车辆制动而转动在主动位置和非活动位置之间枢转。 当开关主体处于其主动位置时,只有在动力输出机构已经移动到断开动力输出的位置之后才将开关元件触动或关闭开关,此时互锁开关被关闭 部分准备发动机起动电路,允许发动机在启动开关闭合时启动。 如果动力输出杆处于其接合位置或制动器被释放,则单个联锁开关将不会关闭,而是保持在其正常打开位置,从而通过关闭起动开关来防止发动机起动。