Patent ID: 8075250
Filing Date: 2011-12-13
Classification: F04D,Y10T

Abstract:
1. A fastening device used for fixing a first fan and a second fan together, each of the first fan and the second fan comprising a first flange and a second flange and a body interconnecting the first flange and the second flange, the fastening device comprising: a pad; and two resilient portions respectively extending perpendicularly from two opposite sides of the pad, the two resilient portions for respectively extending through the first flange of the first fan and the second flange of the second fan neighboring to the first flange of the first fan, and the pad being for sandwiched between the first flange of the first fan and the second flange of the second fan, and ends of the two resilient portions opposite to the pad for abutting against the first flange of the first fan and the second flange of the second fan toward the pad, respectively when the fastening device fixing the first fan and the second fan together; wherein each of the two resilient portions comprises two spaced flexible arms and two retaining portions respectively formed at distal ends of the two flexible arms, a longitudinal gap being defined between the two flexible arms; and wherein an opening is conformably defined in each of the two flexible arms and a corresponding one of the two retaining portions.