JPS5979152U

JPS5979152U - webbing retractor

Info

Publication number: JPS5979152U
Application number: JP17470682U
Authority: JP
Inventors: 山本　利昌
Original assignee: Tokai Rika Co Ltd
Current assignee: Tokai Rika Co Ltd
Priority date: 1982-11-18
Filing date: 1982-11-18
Publication date: 1984-05-29
Also published as: JPH0315407Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は本考案に係るウェビング巻取装置の実施例を示
す正面図、第２図は第１図のカバーを取り除いた左側面
図、第３図は第１図の主要部分解斜視図、第４図はロッ
クプレートとその関連構造を示す第１図ＴＶ−ＩＶ線断
面に相当する正面図、第５図は第４図の作動図、筆６図
はロック輪の裏面図、第７図はカムリングの正面図、第
８図は第７図■−■線断面図である。１０・・・ウェビング巻取装置、２２・・・巻取軸、２
４・・・ウェビング、３０・・・内歯ラチェットホイル
、３４．３６・・田ツクプレート、５０・・田ツク輪、
　　、５６・・・ラチェツト歯、５８・・・ボウル、６
２・・・慣性ボール、６４．６８・・・ピニオン、７２
・・・内歯ギヤ、７８・・・第１の案内溝、８０・・・
第２の案内溝、８２・・・線ばね。FIG. 1 is a front view showing an embodiment of the webbing retractor according to the present invention, FIG. 2 is a left side view of FIG. 1 with the cover removed, and FIG. 3 is an exploded perspective view of the main parts of FIG. Fig. 4 is a front view corresponding to the cross section taken along the line TV-IV in Fig. 1 showing the lock plate and its related structure, Fig. 5 is an operation diagram of Fig. 4, Fig. 6 is a rear view of the lock ring, Fig. 7 8 is a front view of the cam ring, and FIG. 8 is a sectional view taken along the line ■-■ in FIG. 7. 10... Webbing winding device, 22... Winding shaft, 2
4...Webbing, 30...Internal tooth ratchet foil, 34.36...Tatsuku plate, 50...Tatsuku ring,
, 56... Ratchet tooth, 58... Bowl, 6
2...Inertia ball, 64.68...Pinion, 72
...Internal gear, 78...First guide groove, 80...
Second guide groove, 82...wire spring.

Claims

[Scope of utility model registration request]

A take-up shaft that winds up occupant restraint webbing, a lock ring that rotates following the take-up shaft, and when this lock ring lags in rotation with respect to the take-up shaft, the webbing unwinding rotation of the take-up shaft is interrupted. an acceleration sensor that applies a resistance force to the follow-up rotation of the lock wheel in the event of a vehicle emergency;
The first guide part and the second guide part rotate according to the rotation of the winding shaft.
A cam ring is provided with a guide part, and a lock ring is enabled to rotate in correspondence with the first guide part of the cam ring until the take-up shaft unwinds by a predetermined amount, and when the unwind shaft exceeds a predetermined amount, the second guide part of the cam ring is rotated. A webbing take-up device comprising: a transmission means corresponding to the guide portion of the lock ring and providing resistance to rotation of the lock ring.