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    • 6. 发明申请
    • INTERLOCK SAFETY SWITCH
    • 互锁安全开关
    • US20120298081A1
    • 2012-11-29
    • US13575533
    • 2011-02-07
    • Alonzo B. SeranMark D. Shultz
    • Alonzo B. SeranMark D. Shultz
    • F02P11/00
    • B60D1/58
    • The invention provides a method of attaching a propulsion unit 12 to a scarifier 10. The device 22 verifies via a switch 24 closure that the coupler 14 and ball 16 are attached. The switch 24 is located in the tube 26 to which the ball 16 mounts. When the coupler 14 is placed on the ball 16 a spring loaded plate 28 is depressed. This plate 28 travels down with the coupler and activates the switch 24. The scarifier 10 can be configured to prevent operation unless the propulsion unit 12 is attached via the hitch. The object of this interlock is to encourage operators to use the propulsion unit in order to minimize vibration to the operator.
    • 本发明提供了一种将推进单元12附接到划痕器10的方法。装置22经由开关24检查耦合器14和球16的连接。 开关24位于球16安装到的管26中。 当联接器14放置在球16上时,弹簧加载板28被压下。 该板28与联接器一起向下运动并且启动开关24.除霜器10可构造成防止操作,除非推进单元12通过连接件附接。 这种互锁的目的是为了鼓励操作人员使用推进装置,以减少对操作人员的振动。