Patent ID: 7586748

Claim:
A clasp device for a handle of a power supply, comprising: a power supply; a U-shaped handle, left and right side plates of which are movably joined to left and right sidewalls of the power supply respectively by means of shaft tips, and a transversal plate having a L-shaped cross section is provided with an inner plate surface; a spring piece, having a L-shape cross section, respectively provided with a pressure plate and a base plate, wherein two sides of the base plate are fixedly connected to the inner surface of the transversal plate, a gap is formed between the pressure plate and another inner plate surface of the transversal plate, and a protruding portion is located at a somewhat central position of the base plate; a clasp hole defined in a front end of a side plate surface of the power supply; when the U-shaped handle is rotary displaced about the shaft tips as center, the protruding portion clasps into/separates from the clasp hole, wherein the spring piece is located between the transversal plate and the side plate surface of the power supply when the clasp device is in a closed position.