Patent ID: 7527149

Claim:
An exhibition device for reversal spanners comprising: a suspending plate having a buckling hole; a periphery of the buckling hole being formed with a notch so as to form as a confining unit between the buckling hole and the notch; an inner side of the confining unit having a plurality of limiting teeth; and two symmetrical slits being formed aside the confining unit; an elastic sheet being formed between the two slits; a front end of the elastic sheet being formed as an inclined tip portion; a seat, on the bottom of the seat being integrally extended a post-shaped connecting unit, at a connection of the seat and the connecting unit being formed an enlarged disk; the connecting unit being rotatably buckled to the buckling hole; a ratchet portion being formed on a surface of the connecting unit; the ratchet portion being aligned with the notch between the confining unit and the elastic sheet; and the ratchet portion being engageable to the limiting teeth of the confining unit and to the inclined tip portion of the elastic sheet.