Shock absorbing rope

Abstract

The invention provides a shock absorbing rope, in which a rope body shaped in a long tube formed to be elongated in a longitudinal direction thereof and a core member arranged inside of the tube of the rope body in a eased state are formed independently and separately from each other; the both ends of the rope body and the both ends of the core member in the longitudinal direction thereof are fixed with each other; and a length of the rope body in a contraction state is shorter than a length of the core member that is not in the eased state and the core member is arranged in the tube of the rope body in the eased state, and the rope body can be elongated longer than the length of the core member that is not in the eased sate.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a shock absorbing rope whereby an ideal shock absorbing property for alleviating a shock given to a human body can be acquired. Particularly, the present invention relates to the shock absorbing rope whereby oscillation due to a reaction force after the shock can be attenuated so as to be made smaller. [0003] 2. Description of the Related Art [0004] Conventionally, for example, at a high working site such as a highrise building and a high scaffolding or the like where a worker is damaged when he or she falls down, the worker generally wears a shock absorbing rope while doing the work standing on the scaffolding. [0005] As an example of such a shock absorbing rope worn by the worker, for example, a woven webbing having a shock absorbing property is suggested (for example, refer to U.S. Pat. No. 6,085,802). A shock absorbing woven webbing 100 described in U.S. Pat. No. 6,085,802 has tw...

AI Technical Summary

Benefits of technology

The present invention provides a shock absorbing rope that can alleviate shocks and reduce the oscillation after shocks. The rope has a simple structure and is easy to use. It includes a rope body and a core member that can be separately formed and fixed together. The length of the rope body can be shorter than the length of the core member when not in an eased state. The rope body can be elongated longer than the core member in a contracted state. The rope body and the core member can be elongated in the same lengths when not in an eased state. The rope body and the core member can be elongated sequentially and continuously, carrying out a shock absorbing process. The shock absorbing process can be controlled and efficient, with the entire shock load being supported by both the rope body and the core member. The pulling-up force on the worker is reduced, making the shock force to the worker smaller. The invention also provides a method for making the rope.

Problems solved by technology

Therefore, when the woven webbing 100 eases up after elongation, this results in applying of an intense reaction force to the worker.

Thus, the conventional woven webbing 100 has a defect such that a jumping phenomenon occurs.

Therefore, this structure has a problem such that the oscillation due to the reaction force after the shock of the webbing 100 cannot be made smaller by immediately attenuating it.

Therefore, this involves a problem such that manufacturing of the woven webbing 100 takes a lot of trouble and this leads to increase of its manufacturing cost or the like.

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