Patent attributes
A fixing device includes an encircling element having left and right lateral sides and an intermediate portion that is formed with a notch and that is bent to form two limiting apartments at two sides of the notch, each limiting apartment having left and right walls extending integrally and transversely from a longitudinal axis of the encircling element and a middle wall interconnecting the walls that define an opening accessible only from a direction that is the same direction, each of the left and right lateral sides is formed with a retainer stub; a sluice gate having two notches disposed on the retainer stubs for denying access into the apartments; and a locking member extending through a through hole in the sluice gate and the notch in the encircling element for preventing untimely disengagement of the sluice gate from the encircling element.
