| 摘要 |
An improved brake and tilt adjustment control mechanism for a keyboard support platform includes a telescoping shaft connect between the keyboard platform and a housing supported on linkage arms that support the platform and connected the platform to a desk or support surface. The shaft is engaged by an encircling coil spring retained in the housing to lock the mechanism. Flexing the spring release locking mechanism and permits adjustment of the tilt or attitude of the keyboard platform to the linkage arms.
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