Patent ID: 7836623

Claim:
A rotary positioning structure for a frame, said frame comprising a housing and a spindle hole disposed on the rear of said housing, said rotary positioning structure comprising: at least two elastic members, arranged on a circular path surrounding the spindle hole, each of said at least two elastic members comprising a tenon; and a rotary stand comprising a rotary shaft and a groove, said rotary shaft being disposed at one end of said rotary stand, and said groove being disposed on said rotary shaft; wherein when said rotary shaft is inserted into said spindle hole, said groove engages with said tenon so as to support said housing in a first upright position by said rotary stand; also after said rotary shaft is inserted into said spindle hole and then said rotary stand is pivoted on said rotary shaft, said groove engages with another tenon of said at least two elastic members so as to support said housing in a second upright position by said rotary stand.