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2. 发明授权

US4866824A Centering mechanism 失效
标题翻译：定中心机制
公开(公告)号：US4866824A
公开(公告)日：1989-09-19
申请号：US178842
申请日：1988-04-06
申请人： Ronald J. Falk , John S. Lee
发明人： Ronald J. Falk , John S. Lee
IPC分类号： H05K13/04
CPC分类号： H05K13/0413 , Y10T29/51 , Y10T29/53191
摘要： Apparatus (10) for centering an integrated circuit device (12) along X and Y axes (95, 97) with respect to a Z axis (39). First and second jaw pairs (98, 100), are actuated so that corresponding jaws of each pair are, at all times, disposed along their respective axis at equal distances from the Z axis (39). Corresponding jaws of each pair (98, 100) are, concurrently, moved toward and away from the Z axis, therefore. In a preferred embodiment, actuation is effected by means of linear extender rods, (70, 72) which, in turn, in effect rotation of discs (26, 28) and their corresponding turnstiles (106, 114). Turnstile (106, 114) rotation, in turn, effects linear movement of track riders (84, 86) to which the jaw pairs, (98, 100) are mounted.
摘要翻译：用于使集成电路装置（12）相对于Z轴（39）沿着X和Y轴（95,97）定心的装置（10）。第一和第二钳口对（98,100）被致动，使得每对的对应的钳口始终沿着它们各自的轴线以与Z轴（39）相等的距离设置。因此，每对（98,100）的相应的钳口同时朝向和远离Z轴移动。在一个优选实施例中，通过线性延伸杆（70,72）进行致动，其进而有效地转动盘（26,28）及其对应的十字门（106,114）。旋转门（106,114）旋转，进而影响安装有卡爪对（98,100）的轨道车手（84,86）的直线运动。

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