BUCKLE DEVICE, SEAT MOUNTING STRUCTURE OF BUCKLE DEVICE, AND VEHICLE SEAT BELT DEVICE

To improve mountability to a vehicle in a structure having a force limiter mechanism.SOLUTION: A buckle device 10 includes: a buckle body to which a tongue attached to a three point type seat belt is coupled; webbing 54 coupled to the buckle body at one longitudinal end part; and a force limiter mec...

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Bibliographic Details
Main Authors SHIMAZU KATSUYA, MATSUZAKI MAKOTO, MIZUNO YOSHIO
Format Patent
LanguageEnglish
Japanese
Published 20.08.2020
Subjects
BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
HABERDASHERY
HUMAN NECESSITIES
JEWELLERY
PERFORMING OPERATIONS
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Summary:To improve mountability to a vehicle in a structure having a force limiter mechanism.SOLUTION: A buckle device 10 includes: a buckle body to which a tongue attached to a three point type seat belt is coupled; webbing 54 coupled to the buckle body at one longitudinal end part; and a force limiter mechanism 56. The force limiter mechanism 56 has: a spool 68 which is supported at the vehicle lower side relative to the buckle body so as to be rotatable relative to a vehicle seat and around which the other longitudinal end side of the webbing 54 is wound; and a torsion shaft (an energy absorption member) 86 deformed by rotation of the spool 68.SELECTED DRAWING: Figure 9 【課題】フォースリミッタ機構を有する構成において、車両への搭載性を向上させる。【解決手段】バックル装置１０は、３点式のシートベルトに取り付けられたタングが連結されるバックル本体と、長手方向一端部がバックル本体に連結されるウエビング５４と、フォースリミッタ機構５６とを備えている。このフォースリミッタ機構５６は、バックル本体の車両下方側で車両用シートに対して回転可能に支持され、ウエビング５４の長手方向他端側が巻き付けられるスプール６８と、スプール６８の回転により変形されるトーションシャフト（エネルギ吸収部材）８６とを有している。【選択図】図９
Bibliography:Application Number: JP20190018267