Abstract: An angularly adjustable keyboard support bracket includes a mounting rack attached to a desktop, a movable arm coupled with the mounting rack through a pin, and a bracing rack coupled with another end of the movable arm through another pin for holding a tray. A rotary mechanism is located between the bracing rack and the tray to enable the tray to swivel to the left side and the right side for a selected angle relative to the bracing rack to provide users with a desired operating angle.
Abstract: An angularly adjustable keyboard support bracket includes a mounting rack attached to a desktop, a movable arm coupled with the mounting rack through a pin, and a bracing rack coupled with another end of the movable arm through another pin for holding a tray. A rotary mechanism is located between the bracing rack and the tray to enable the tray to swivel to the left side and the right side for a selected angle relative to the bracing rack to provide users with a desired operating angle.
Abstract: A keyboard with a paper holder structure, placed in a sliding mechanical structure below a computer tabletop, comprises a retaining area for accommodating the keyboard, and a paper holder installed on the retaining area for clipping papers above the retaining area to the working space and facilitate users to read the information from the paper at an appropriate distance in order to input the data into the computer accurately.