Retaining device for heat-dissipating apparatus

A retaining device for a heat-dissipating apparatus, comprising:

• a first member, having at least one positioned slot formed respectively at two ends thereof, a through hole formed at a middle part thereof, at least one locking pin located on the first member and around the through hole;
• a second member, having at least one positioned slot formed respectively at two ends thereof, a through hole formed at a middle part thereof, at least one first fixing hole, and at least one second fixing hole around a periphery of the through hole of the second member, wherein the at least one locking pin of the first member is selectively wedged within the at least one first fixing hole;
• a retaining module, assembled in the through hole of the first member and the through hole of the second member to clasp and retain the first member and the second member;
• and
• a plurality of retaining elements, respectively inserted in the at least one positioned slot of the first member and the at least one positioned slot of the second member.