Return to neutral mechanism for variable drive apparatus
    3.
    发明授权
    Return to neutral mechanism for variable drive apparatus 有权
    返回到可变驱动装置的中立机构

    公开(公告)号:US09341258B1

    公开(公告)日:2016-05-17

    申请号:US14215999

    申请日:2014-03-17

    发明人: Austin J. Templin

    摘要: A return to neutral (RTN) mechanism for a variable drive apparatus having a rotatable control shaft is provided. The RTN mechanism incorporates a neutral lockdown plate secured to the housing of the variable drive apparatus and disposed about the rotatable control shaft, a control arm fixed to the control shaft to impart rotation thereto, a single, rotatable return arm piloted upon a protective cover, and a pair of springs to bias the control shaft back to a neutral position from either a forward or reverse rotation. A single spring may optionally be used to form a unidirectional RTN mechanism, or two springs having different spring rates may optionally be used to alter the return rates of the control shaft back to a neutral position.

    摘要翻译: 提供了具有可旋转控制轴的可变驱动装置的返回中立(RTN)机构。 RTN机构包括固定到可变驱动装置的壳体并围绕可旋转控制轴设置的中空锁定板,固定到控制轴以控制旋转的控制臂,被引导到保护罩上的单个可旋转的返回臂, 以及一对弹簧,用于将控制轴从正向或反向旋转回到中性位置。 可以可选地使用单个弹簧来形成单向RTN机构,或者可以可选地使用具有不同弹簧刚度的两个弹簧来改变控制轴返回中立位置的返回速率。