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1. 发明授权

US07540131B2 Ground speed control system with hill assist, cruise control and lockout lever 有权
标题翻译：地面速度控制系统，具有山丘辅助，巡航控制和锁定杆
公开(公告)号：US07540131B2
公开(公告)日：2009-06-02
申请号：US10942625
申请日：2004-09-16
申请人： Dale A. Stover , Kevin D. Docken , Thomas G. Mayer
发明人： Dale A. Stover , Kevin D. Docken , Thomas G. Mayer
IPC分类号： A01D69/00
CPC分类号： A01D34/824
摘要： A ground speed control system for an outdoor power equipment unit comprises a slidable handle grip that moves up and down on a handle to decrease and increase the ground speed, respectively. A pivotal control lever is provided on the handle grip. The pivotal lever includes a toothed sector gear. A toothed rack is fixed to the handle. Normally, the sector gear and toothed rack are out of engagement with each other during sliding motion of the handle grip. However, if the operator pivots the control lever to engage the sector gear with the rack, cooperation between the teeth of the sector gear and the teeth of the rack will move the slidable handle grip further down the handle to provide a temporary speed increase and will also lock the handle grip to the handle to provide cruise control capability. The handle grip is U-shaped and has two legs telescopically received inside the open upper ends of a pair of spaced handle tubes.
摘要翻译：室外电力设备单元的地面速度控制系统包括分别在手柄上上下移动的滑动把手，以降低和提高地面速度。枢纽控制杆设置在手柄上。枢转杆包括齿形扇形齿轮。齿条固定在手柄上。通常，扇形齿轮和齿条在手柄的滑动运动期间彼此脱离啮合。然而，如果操作者枢转控制杆以将扇形齿轮与齿条接合，扇形齿轮的齿与齿条齿之间的协作将使可滑动的把手向下移动到手柄处以提供临时的速度增加，并且将还将把手把手锁定到手柄以提供巡航控制能力。把手柄是U形的，并且具有可伸缩地容纳在一对间隔开的手柄管的敞开的上端内的两个腿。

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