Patent ID: 7488152

Claim:
A vibration absorption device for a fan comprising a frame which contains a plurality of penetrated, hollow, and U-shape sinks having hollow bottoms, with vertical walls and a plurality of connection rods transversally connected being located between the neighboring sinks, and a first groove and a second groove being located close to a corner position of neighboring walls for each connection rod; at least more than one fan, a front surface and a rear surface of which are provided with a plurality of latching holes, respectively; a plurality of positioning outer jackets which are made by a flexible material, each interior end of which is formed with a hollow tube having a through-hole, and each exterior end of which is provided with a large circular ring having a groove in an interior thereof, with a positioning hole being located in a center of the groove and interconnected with the through-hole; and pins which are made by a hard material, each front end of which is formed with a circular ring of larger outer diameter, with an outer wall of the circular ring being integrally formed with an outer-projected circular ring of smaller outer diameter, an inner wall of the circular ring being integrally formed with an inner projection body of smaller outer diameter, an insertion pillar being integrally extended toward an interior along a center of the inner projection body, a projected arc member of larger outer diameter being formed on a local circumference of the insertion pillar, the insertion pillar being inserted into the positioning hole and the through-hole, and the inner projection body being latched into the groove; the hollow tube of positioning outer jacket being inserted into the latching hole of fan, the outer-projected circular ring being attached in the first groove, and the circular ring being attached in the second groove.