An IC socket has an IC accommodating portion, at least one ejection lever disposed in the IC accommodating portion, and a socket board for supporting a generally central portion of the lever in such a manner as to be able to effect a seesaw motion. An IC is supported by a push-up lever portion on one...http://www.google.de/patents/US5070389?utm_source=gb-gplus-sharePatent US5070389 - IC removing mechanism in IC socket