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21. 发明授权

US07503234B2 One lever tilt and telescope mechanism 失效
标题翻译：一个杠杆倾斜和望远镜机构
公开(公告)号：US07503234B2
公开(公告)日：2009-03-17
申请号：US11138115
申请日：2005-05-26
申请人： Ray G. Armstrong , Richard P. Nash , Neal R. Roller , Philip J. McCarthy
发明人： Ray G. Armstrong , Richard P. Nash , Neal R. Roller , Philip J. McCarthy
IPC分类号： B62D1/18
CPC分类号： B62D1/184 , B62D1/187
摘要： A steering column assembly has a steering column with a longitudinal axis and disposable in a vehicle for tilting movement and telescoping movement. A wedge lock is engaged with the steering column and moveable between a first unlocked position and a first locked position along a first path to selectively lock the steering column with respect to the telescoping movement. A force required to move the wedge lock increases along the first path from the first unlocked position to the first locked position. A lever is pivotally engaged with the steering column about a pivot axis for rotation between an adjusting position and a locking position. The wedge lock moves from the first unlocked position to the first locked position along the first path in response to rotation of the lever from the adjusting position to the locking position. A cable assembly includes a cable with first and second ends and a sheath substantially encircling the cable. The first end is engaged with the lever to move in response to rotation of the lever. A tilt lock member engaged with the steering column is moveable between a second unlocked position and a second locked position along a second path to selectively lock the steering column with respect to the tilting movement. The second end of the cable is engaged with the tilt lock member such that the tilt lock member moves from the second unlocked position to the second locked position along the second path in response to rotation of the lever from the adjusting position to the locking position. The steering column assembly also includes a biasing device urging the tilt lock member to the locked position and cooperating with the lever to offset the force required to move the wedge lock from the first unlocked position to the first locked position along the first path.
摘要翻译：转向柱组件具有纵向轴线的转向柱，并且一次性地在车辆中用于倾斜运动和伸缩运动。楔形锁与转向柱接合，并且沿着第一路径在第一解锁位置和第一锁定位置之间移动，以相对于伸缩运动选择性地锁定转向柱。移动楔锁所需的力沿第一路径从第一解锁位置增加到第一锁定位置。杠杆与转向柱绕枢转轴线枢轴接合，以在调整位置和锁定位置之间旋转。响应于杠杆从调节位置的旋转到锁定位置，楔形锁从第一解锁位置沿着第一路径移动到第一锁定位置。电缆组件包括具有第一和第二端的电缆和基本上环绕电缆的护套。第一端与杠杆接合以响应于杆的旋转而移动。与转向柱接合的倾斜锁定部件可沿着第二路径在第二解锁位置和第二锁定位置之间移动，以相对于倾斜运动选择性地锁定转向柱。电缆的第二端与倾斜锁定构件接合，使得倾斜锁定构件响应于杆从调节位置转动到锁定位置而沿着第二路径从第二解锁位置移动到第二锁定位置。转向柱组件还包括偏压装置，其将倾斜锁定构件推动到锁定位置并与杠杆配合以抵消沿着第一路径将楔形锁从第一解锁位置移动到第一锁定位置所需的力。

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