Patent ID: 8164017

Claim:
A key structure comprising: a keycap; a base plate; and a scissors-type support member for connecting said keycap with said base plate, said scissors-type support member comprising: an inner frame having a first convex part and an internally-concave V-shaped notch formed on an arm part of said inner frame, wherein said first convex part comprises a first inclined surface and a first bottom surface; and an outer frame having an internally-concave recess and a second convex part formed on an arm part of said outer frame, said recess comprising a second bottom surface and a second inclined surface, wherein when said keycap is located at a first height with respect to said base plate, said first inclined surface is sustained against said second inclined surface, and when said keycap is located at a second height with respect to said base plate, said first bottom surface is sustained against said second bottom surface.