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热词
    • 6. 发明授权
    • Safety lock vehicle transmission
    • 安全锁车辆传动
    • US4572340A
    • 1986-02-25
    • US496546
    • 1983-05-20
    • Kenneth E. Pierce
    • Kenneth E. Pierce
    • B60K20/00B60T11/10F16H61/22B60K41/26F16D41/24
    • F16H61/22B60T11/103B60W10/10B60W10/18
    • A device to prevent the gears of an automotive vehicle from being shifted from forward, reverse or neutral to another position unless the brakes are firmly applied. The transmission includes a gear shift actuator that is rotatable between forward, neutral and reverse positions, and fixed to this actuator is a lever having an axially projecting fin on one side of the free end. Pivoted on a supporting frame is a steel bar having notches in one edge that are shaped and positioned to engage the fin on the lever whenever the lever is in any one of its three operating positions. A spring bears against the bar to urge the notched edge toward the fin of the lever, so that the bar normally engages and locks the lever. A hydraulic cylinder has its piston rod attached to the bar, and the cylinder is connected to the hydraulic braking system of the vehicle, so that when the brakes are applied, the cylinder acts to disengage the bar from the lever. Thus, the transmission can only be shifted into or out of gear while the brakes are applied.
    • 一种用于防止机动车辆的齿轮不被向前,反向或中立移动到另一位置的装置,除非制动器被牢固地施加。 变速器包括可在前进位置,中立位置和后退位置之间转动的换档致动器,并且固定到该致动器的杠杆具有在自由端的一侧上的轴向突出的翅片。 在支撑框架上设置的钢筋是在一个边缘上具有凹口的钢筋,只要杠杆处于其三个操作位置中的任何一个中,该钢筋的形状和定位成与杆上的翅片接合。 弹簧靠在杆上以将切口的边缘推向杆的翅片,使得杆通常接合并锁定杆。 液压缸具有连接到杆的活塞杆,并且气缸连接到车辆的液压制动系统,使得当制动器被施加时,气缸用于使杆与杆脱离。 因此,当制动器被施加时,变速器只能移入或移出齿轮。