JPH0443548U

JPH0443548U -

Info

Publication number: JPH0443548U
Application number: JP9876390U
Authority: JP
Priority date: 1990-03-16
Filing date: 1990-09-20
Publication date: 1992-04-14
Anticipated expiration: 2005-05-31
Also published as: JPH0723320Y2

Description

[Brief explanation of the drawing]

第１図乃至第６図は本考案に係るウエビング巻
取装置の第１実施例を示し、第１図は分解斜視図
、第２図はロツクプレートと内歯ギヤホイルとが
噛み合つていない状態の第１図−線矢視図、
第３図はロツクプレートの内歯ギヤホイルとが噛
み合つている状態の第１図−線矢視図、第４
図乃至第６図はカム、スパイラルプレート及び長
尺レバーの作動状態を説明する正面図、第７図乃
至第９図は本考案に係るウエビング巻取装置の第
２実施例を示し、第７図は分解斜視図、第８図及
び第９図はカムとアーム体との作動説明図、第１
０図乃至第１２図は本考案に係るウエビング巻取
装置の第３実施例を示し、第１０図は分解斜視図
、第１１図及び第１２図はカムとロツク輪の突起
部との作動説明図、第１３図及び第１４図は本考
案に係るウエビング巻取装置の第４実施例を示し
、第１３図は分解斜視図、第１４図は一部断面図
、第１５図乃至第１７図は本考案に係るウエビン
グ巻取装置の第５実施例を示し、第１５図は分解
斜視図、第１６図は第１５図−線矢視図
、第１７図は一部断面図、第１８図は従来のウエ
ビング巻取装置を示す分解斜視図である。２０……巻取軸、２３……ウエビング、２４…
…ロツクプレート（ロツク手段）、２５……ロツ
クプレート（ロツク手段）、３２……内歯ギヤホ
イル（ロツク手段）、３８……ロツク輪、５２…
…カム（係止手段）、７０……スパイラルプレー
ト（制御手段）、７２……渦巻溝（制御手段）、
７６……長尺レバー（制御手段）。 1 to 6 show a first embodiment of the webbing retractor according to the present invention, FIG. 1 is an exploded perspective view, and FIG. 2 is a state in which the lock plate and the internal gear wheel are not engaged. Figure 1 - line arrow view,
Figure 3 shows the state in which the internal gear wheel of the lock plate is engaged with Figure 1 - a view taken along the line, and Figure 4.
6 to 6 are front views illustrating the operating states of the cam, spiral plate, and long lever, and FIGS. 7 to 9 show a second embodiment of the webbing retractor according to the present invention, and FIG. is an exploded perspective view, Figures 8 and 9 are explanatory diagrams of the operation of the cam and arm body, and Figure 1 is an exploded perspective view.
0 to 12 show a third embodiment of the webbing retractor according to the present invention, FIG. 10 is an exploded perspective view, and FIGS. 11 and 12 are explanations of the operation of the cam and the protrusion of the lock ring. 13 and 14 show a fourth embodiment of the webbing retractor according to the present invention, FIG. 13 is an exploded perspective view, FIG. 14 is a partially sectional view, and FIGS. 15 to 17. 15 shows a fifth embodiment of the webbing retractor according to the present invention, FIG. 15 is an exploded perspective view, FIG. 16 is a view taken along the line of FIG. 15, FIG. 17 is a partially sectional view, and FIG. FIG. 1 is an exploded perspective view showing a conventional webbing retractor. 20... Winding shaft, 23... Webbing, 24...
... Lock plate (lock means), 25 ... Lock plate (lock means), 32 ... Internal gear wheel (lock means), 38 ... Lock ring, 52 ...
... cam (locking means), 70 ... spiral plate (control means), 72 ... spiral groove (control means),
76... Long lever (control means).

Claims

[Scope of utility model registration request]

The webbing attached to the occupant, the take-up shaft that winds up the webbing, the lock ring whose rotation lags with respect to the take-up shaft due to sudden withdrawal of the webbing, and the take-up shaft due to the rotation delay of the lock wheel. a locking means for locking the rotation of the webbing; a locking means provided between the winding shaft and the lock ring and engaging with the lock ring during webbing winding to prevent delay in rotation of the lock ring; and this locking means. control means for disengaging the webbing from the lock wheel when the webbing winding amount is less than a predetermined value, and enabling the rotation delay of the lock wheel;
A webbing take-up device characterized by being provided with.