US 12,447,780 B1
Tow hook device
Xiaoyao Luo, Bazhong (CN)
Filed by Xiaoyao Luo, Bazhong (CN)
Filed on Jul. 26, 2024, as Appl. No. 18/785,569.
Int. Cl. B60D 1/06 (2006.01); B60D 1/07 (2006.01); B60D 1/46 (2006.01)
CPC B60D 1/06 (2013.01) [B60D 1/07 (2013.01); B60D 1/46 (2013.01)] 2 Claims
OG exemplary drawing
 
1. A tow hook device, comprising: a tow ball body, a tow ball hitch and a tow arm; wherein the tow ball body comprises at least one tow ball and a tow ball rod, the tow ball rod is disposed on the at least one tow ball and provided with external threads, the tow ball hitch defines a threaded hole provided with internal threads, and the tow ball rod has a threaded connection with the tow ball hitch through the threaded hole;
wherein the tow arm comprises a square steel, the square steel defines at least one square steel hole, the square steel is provided with a first receiver latch lock, and the first receiver latch lock is connected to the square steel by the at least one square steel hole;
wherein the at least one tow ball comprises a first tow ball and a second tow ball, the first tow ball is disposed on an end of the tow ball rod, and the second tow ball is disposed on another end of the tow ball rod;
wherein the tow ball body further comprises a spring detent ring, a connection position of the tow ball rod with the second tow ball is provided with a shaft groove, and the spring detent ring is disposed on the shaft groove;
wherein the tow ball hitch comprises a clamping jaw disposed at a front end of the tow ball hitch, and the tow ball hitch is connected to the tow arm by the clamping jaw;
wherein two sides of an inner wall of the clamping jaw are respectively provided with a first convex edge and a second convex edge, two sides of the tow arm respectively define a first vertical groove and a second vertical groove, the first convex edge is snap-fitted with the first vertical groove, and the second convex edge is snap-fitted with the second vertical groove;
wherein a shape and size of the first convex edge corresponds to a shape and size of the first vertical groove, and a shape and size of the second convex edge corresponds to a shape and size of the second vertical groove; and
wherein the tow ball hitch is provided with a second receiver latch lock, a side wall of the clamping jaw defines a round hole, the tow arm defines at least one tow arm hole vertically, and the second receiver latch lock is connected to the tow arm through the round hole and the at least one tow arm hole.