| 摘要 |
Disclosed is a device for loosening the pressure of a car seat belt with a controllable fastening length. The device for loosening the pressure of a car seat belt with a controllable fastening length, according to the present invention is to prevent a car seat belt from pressing a wearer and includes: a body, which is detachably connected to a vehicle and open at one side, and has rail sections at both sides of the inside of the body thereof; a detachable cover, which is detachably coupled at the open upper side of the body, receives a seat belt together with the body, and has an upper concave and convex portion formed on a surface that comes into contact with the seat belt; a stopper having both ends, which may reciprocate in contact with the rail sections, and lower concave and convex portions formed on the outer surface thereof so as to fasten or release the seat belt by relative movement with respect to the upper concave and convex portion; a rotational connection means rotatively coupled in the center of the stopper; and a guide means having one side, which is rotatively coupled with the rotational connection means, and the other side, which is formed with a guide pin that is protruded downwards, wherein a heart-shaped cam groove is formed on the bottom of the body so that the guide pin is secured to the heart-shaped cam groove and moves in one direction along a heart-shaped path. |
