BACKGROUND OF THE INVENTION

Field of the Invention

The present disclosure relates to a shock absorption device including a dual fall prevention band, and more particularly to a shock absorption device including a dual fall prevention band for preventing a worker from falling even if one seam of the dual fall prevention band becomes unstitched.

Description of the Related Art

In general, various industrial accidents occur at industrial sites, and thereamong, the accident that occurs the most frequently is a fall of a worker, and in order to prevent a work from falling, various safety regulations and safety supplies have been developed and supplied. In particular, in order to be prevented from falling, a worker wears a safety harness including a band, and the safety harness and a safety rope fixed to a fixed support are connected to each other, in which case a shock absorption device for preventing the worker from falling and absorbing a shock applied to the worker when the worker falls is coupled to the safety rope.

The shock absorption device is configured with a dual structure including a shock absorption band for absorbing a shock when a worker falls and a fall prevention band for preventing the worker from falling. The shock absorption band and the fall prevention band are coupled to the shock absorption device through sewing. However, when a seam is of low quality or deteriorates and becomes weak due to long-term use, the seam becomes unstitched, and accordingly, there is a problem in that the worker is not prevented from falling.

FIG. 1is a diagram showing a conventional shock absorption device100.

Referring toFIG. 1, the shock absorption device100may be separated into a fall prevention band110and a fall prevention band120, opposite ends of the fall prevention band110may be folded and fixedly sewn with seams130and140, and the fall prevention band120may also be coupled thereto. However, when even one of the seams130and140has a problem, the seams130and140may become unstitched while a worker falls, and thus the possibility that the worker falls without being caught may be high. That is, in the structure of the conventional shock absorption device100, even if even one of the seams130and140has a problem, there is a problem in that the worker is not prevented from falling.

Various technologies related to a shock absorption device have been developed, such as those disclosed in Korean Patent Publication No. 10-2017-0089358, U.S. Pat. No. 3,444,957, Korean Patent Publication No. 10-2001-0044130, etc. However, all of the shock absorption devices disclosed therein correspond merely to structures for minimizing a shock applied to a worker when the worker falls, and all sewn structures have the same structure as inFIG. 1, and accordingly, when even one seam has a problem, there is a problem in that the worker inevitably falls.

SUMMARY OF THE INVENTION

The present disclosure provides a shock absorption device including a dual fall prevention band for preventing a worker from falling, in the situation, in which a seam forming a ring has a problem and becomes unstitched, by coupling the dual fall prevention band, which forms a closed loop, with a shock absorption band.

According to an aspect of the present disclosure, a shock absorption device including a dual fall prevention band connected to a safety rope connected to a safety harness that a worker wears includes a dual fall prevention band having first and second rings connected to the safety rope and configured to prevent the worker from falling when a fall occurs, and a shock absorption band having a plurality of wing parts fixed to the dual fall prevention band and configured to absorb a shock applied to the worker by gradually unstitching and separating a seam that extends from the wing parts and is sewn when the worker falls, wherein the dual fall prevention band is shaped like a closed loop by coupling opposite ends thereof through a first seam, and the first ring, the second ring, a third ring, and a fourth ring are formed by coupling parts of the dual fall prevention band that face each other at a first position to each other through a second seam, and coupling parts of the dual fall prevention band that face each other at a second position to each other through a third seam.

In the dual fall prevention band, an area of the first seam may be larger than an area of each of the second seam and the third seam.

In the dual fall prevention band, the first ring and the second ring may be formed to face each other, and the third ring and the fourth ring may be formed to face each other.

In the dual fall prevention band, the first seam may be formed on the third ring or the fourth ring.

The first seam may be sewn through contact between an upper surface of one end of the dual fall prevention band and a lower surface of an opposite end of the dual fall prevention band.

In the dual fall prevention band, a length of the third ring and a length of the fourth ring may be the same.

In the dual fall prevention band, the first seam may be formed on the fourth ring, and a length of the fourth ring may be shorter than a length of the third ring.

The shock absorption band may be positioned inside the third ring or the fourth ring.

