Patent ID: 8528849

Claim:
A ratchet buckle comprising: a body having: two pivotal holes formed oppositely to engage with a pivotal shaft adapted to reel a strap; two positioning notches; and two ratchet wheels attached on inner sides of the two pivotal holes respectively; a locking board slideably mounted in the body and engaging the two ratchet wheels, with the pivotal shaft located intermediate the two positioning notches and the locking board in a plane extending through the pivotal shaft, the two positioning notches and the locking board; and a trigger having a first end and a second end, wherein the first end of the trigger has: two shaft holes formed oppositely and sleeving the pivotal shaft of the body; and a positioning rod transversally attached to the first end of the trigger and engaged to the two positioning notches of the body to locate the relative position of the body and the trigger to keep the two pivotal holes of the body and the two shaft holes of the trigger concentric and to keep the pivotal shaft of the body from being pressed by shearing force to rotate easily; wherein a distance between the centers of the positioning notches and the pivotal holes of the body is equal to a distance between centers of the positioning rod and the shaft holes of the trigger, with the trigger capable of pivotal movement relative to the body between a first position at an acute angle to the trigger and an expanded status at an obtuse angle to the trigger board, with the positioning rod engaged in the two positioning notches in the expanded status.