Keyboard button

A keyboard key is characterized by the following components:

• A shell, with a top and a bottom corresponding to the top, that is provided with an axial opening at the top and a guide track structure inside that is longitudinally parallel to the central axis of the axial opening;
• a movable terminal that is provided inside the shell and extends to form an arm spring;
• and an actuating lever, with a flat slope on one side and a positioning slope on the other, that is threaded through the axial opening, can longitudinally move between an initial position and a trigger position, and is provided with a guiding structure;
• the flat slope and the positioning slope extend laterally and away from the actuating lever and extend longitudinally to the bottom of the shell;
• the positioning slope is provided with a positioning structure;
• in particular, upwards along the circumference, the actuating lever has a position 1 corresponding to the flat slope and a position 2 corresponding to the positioning slope;
• when the actuating lever is at position 1 or position 2, the guiding structure joins the guide track structure;
• when the actuating lever is at position 1 and then moves from the initial position toward the bottom of the shell and to the trigger position, the arm spring comes into contact with the flat slope and slips along the flat slope to its end to open or close;
• when the actuating lever is at position 2 and then moves from the initial position toward the bottom of the shell and to the trigger position, the arm spring comes into contact with the positioning slope and slips along the positioning slope to its end.