Patent ID: 7022927

Claim:
A key structure, comprising: a main body; a key cap; a substrate; a first rod, comprising a first end movable in a first direction and a second end connected to the key cap; a second rod connected to the first rod, comprising a third end and a fourth end, wherein the third end connects the substrate and the fourth end movably connects the key cap; and a slider movable in the first direction with respect to the substrate between a first position and a second position, wherein when the slider is in the first position, the key structure is in an original state and the key cap is situated at a first height with respect to the substrate; and a resilient member, connecting the slider and the first rod, wherein the resilient member is extended and provides a pre-tension force to the first rod when the key structure is situated in the original state, and when the slider moves from the first position to the second position, the first rod is impelled by the slider, and the key cap descends toward the substrate to a second height lower than the first height such that the key structure is situated in a depressed state.