Patent ID: 8243425

Claim:
A key assembly comprising: a base plate; two resisting mechanisms, the resisting mechanisms being both mounted to the base plate, and the resisting mechanisms being spaced from and opposite to each other, each resisting mechanism including a retractable body and a plurality of resilient members, the retractable body having a plurality of portions joined with each other such that a plurality of connection joints are formed between adjacent rectangular portions, the resilient members respectively situated at the connection joints of the retractable body; and a key body, the key body slidably mounted to the base plate between the two resisting mechanisms, the key body including a first key section and a second key section connected with the first key section, the first key section having a first arcuate contacting portion formed thereon, the second key section having a second arcuate contacting portion formed thereon; wherein one of the resisting mechanisms is mounted to the first key section, another one of the resisting mechanisms is mounted to the second key section, when the first key section slides toward said one of the resisting mechanisms and compresses the retractable body and the resilient members of said one of the resisting mechanisms, the second key section slides away from the other one of the resisting mechanisms and stretches the retractable body and the resilient members of the one of the resisting mechanisms; the retractable body has a plurality of recesses defined in an inner side of each connection joint, the resilient members are respectively accommodated in the recesses.