Patent attributes
An object-connecting device includes an engaging member having a perforation, a first sleeve having a first axial hole, a first abutting surface, and a first recess, a second sleeve passing through the perforation, a bolt passing through the first axial hole and the second axial hole, and a retaining ring. The second sleeve has a second axial hole, a second abutting surface, and a second recess, wherein the second axial hole communicates with the first axial hole. The second abutting surface abuts against the first abutting surface. The second recess matches with the first recess to form a receiving groove. The retaining ring is disposed in the receiving groove and is fastened on the bolt. With the aforementioned design, the bolt could be prevented from disengagement.