Patent ID: 9453557
Filing Date: 2016-09-27
CPC Classification: F16G,F16H

Claim Text:
1. A ratchet chain binder comprising: a main tube, having two opposite inner threads; two links, each having an outer thread for being screwed in the main tube; a seat, being of a U-shaped hollow body having two parallel side plates and a hollow portion therebetween, the two side plates being formed with two corresponding pivot holes pivoted by an end of the main tube and two corresponding first shaft holes, one of the two side plates being provided with a cylinder and a U-shaped frame, and two side portions of the U-shaped frame being formed with two corresponding second shaft holes and a blind hole receiving a first spring and a ball; a gear, having a central hole passed by and fastened to the main tube, received in the hollow portion and sandwiched between the two side plates; a claw, being of a V-shaped body, being provided with a third shaft hole and a positioning hole, each of two ends of the V-shaped body being formed with a claw tooth and a handle tooth, and rotatably disposed between the two side plates by being pivoted on a shaft passing the third shaft hole, wherein the two handle teeth protrude from the seat, and a tip portion of the V-shaped body is normally flexibly pressed by the ball and the first spring; a claw positioner, disposed at the cylinder, passing through the cylinder, and selectably inserted into the positioning hole; and a lever set comprising: