发明授权
- 专利标题: Return to neutral mechanism for variable drive apparatus
- 专利标题(中): 返回到可变驱动装置的中立机构
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申请号: US14215999申请日: 2014-03-17
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公开(公告)号: US09341258B1公开(公告)日: 2016-05-17
- 发明人: Austin J. Templin
- 申请人: Hydro-Gear Limited Partnership
- 申请人地址: US IL Sullivan
- 专利权人: Hydro-Gear Limited Partnership
- 当前专利权人: Hydro-Gear Limited Partnership
- 当前专利权人地址: US IL Sullivan
- 代理机构: Neal, Gerber & Eisenberg LLP
- 主分类号: F16F3/00
- IPC分类号: F16F3/00 ; F04B19/20 ; F04B7/00 ; F16H59/02
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.
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