可调节支撑，保持辅助工作台角度不变。
专利摘要
一种可调节工作台支撑，用于与主工作台和辅助工作台一起使用，包括主工作台连接器；辅助工作台连接器；平行四边形连杆支撑，包括安装到主工作台连接器上以限定第一轴的支撑杆；以及一对平行臂，每个臂的一端连接到支撑杆，第二端连接到辅助工作台连接器以限定第二轴；连接板；附接在平行臂之一附近的主和辅助工作台连接器；具有可绕第一轴旋转的第一枢轴点和可绕第二轴旋转的第二枢轴点；使得当臂绕第一轴枢转时，辅助工作台相对于主工作台的角度位置基本恒定。
Original abstractAn adjustable work surface support for use with a primary work surface and a secondary work surface comprising primary work surface connector; secondary work surface connector; a parallelogram link support comprising a support bar mounted to the primary work surface connector to define a first axis; and a pair of parallel arms, each arm attached at one end to the support bar and a second end attached to the secondary work surface connector to define a second axis; a connecting plate; attached adjacent one of the parallel arms to the primary and secondary work surface connector; having a first pivot point rotatable about the first axis and a second pivot point being rotatable about the second axis; such that when the arm is pivoted about the first axis, an angular position of the secondary work surface with respect to the primary work surface is substantially constant.
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