专利名称：Adjustment mechanism发明人：David C. Schweitzer申请号：US06/778843申请日：19850923公开号：US04616906A公开日：19861014
摘要：A mechanism supporting a device for movement about a horizontal axis and avertical axis that includes a pair of swing arms which are mechanically interconnected forsynchronous movement in opposite directions so as to cause the device to be adjustablypositioned about the vertical axis.
申请人：GENERAL MOTOR CORPORATION
代理人：Edward J. Biskup
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