ENERGY ABSORBING DEVICE, SEAT BELT RETRACTOR AND SEAT BELT DEVICE

PROBLEM TO BE SOLVED: To provide an energy absorbing device capable of improving energy absorption characteristics steplessly as well as durability, a seat belt retractor, and a seat belt device.SOLUTION: The energy absorbing device includes a base plate 51 connected to a spool 2 and having a wavefo...

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Bibliographic Details
Main Authors NEMOTO DAICHI, UCHIBORI HAYATO
Format Patent
LanguageEnglish
Japanese
Published 23.06.2016
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Summary:PROBLEM TO BE SOLVED: To provide an energy absorbing device capable of improving energy absorption characteristics steplessly as well as durability, a seat belt retractor, and a seat belt device.SOLUTION: The energy absorbing device includes a base plate 51 connected to a spool 2 and having a waveform groove formed into an annular shape, a cover plate 52 connected to face the base plate 51 and having a waveform groove synchronized with the waveform groove of the base plate 51, a plurality of driving pins 53 having one end inserted into the waveform groove of the base plate 51 and the other end inserted into the waveform groove of the cover plate 52, a plurality of mass bodies 54 arranged at the middle parts of the driving pins 53, and intermediate plates arranged on both sides of the mass body 54 with the driving pins 53 inserted therethrough, and connected to a locking base 4.SELECTED DRAWING: Figure 1 【課題】無段階にエネルギー吸収特性を変更することができるとともに、耐久性を向上させることができる、エネルギー吸収装置、シートベルトリトラクタ及びシートベルト装置を提供する。【解決手段】スプール2に接続されるとともに環状に形成された波形溝を有するベースプレート51と、ベースプレート51に対向するように接続されるとともにベースプレート51の波形溝と同期した波形溝を有するカバープレート52と、一端がベースプレート51の波形溝に挿入され他端がカバープレート52の波形溝に挿入された複数の駆動ピン53と、駆動ピン53の各中間部に配置された複数の質量体54と、駆動ピン53が挿通されて質量体54の両側に配置されるとともにロッキングベース4に接続される中間プレートと、を有する。【選択図】図1
Bibliography:Application Number: JP20140252170