Patent ID: 6979792

Claim:
A keystroke structure (1) comprising: a baseplate with an inverse “U” shape hood frame, said hood frame comprises an insert hole in the middle being considerably spaced; a membrane circuit board on said baseplate; a pad is stacked over said membrane circuit board with a resilient body; a first key frame and a second key frame are on said pad, said first key frame and said second key frame comprise two protruding hinged arms each at one end and two extending posts each at the other end, said posts comprise a shaft lever respectively, said shaft levers insert the holes on said hood frame of said baseplate, said posts comprise a protruding tubes each where they are connected with said first key frame and said second key frame, said tubes comprise a through holes each which said hinged arms thread such that said first key frame said the second key frame are connected; a keycap inserted onto said first and said second key frame, the edges of said first key frame and said second key frame are inserted between an insert pedestal.