Safety belt system having retractor equipped with manual locking mechanism

Claim 1

A webbing retractor arrangement including a manual locking mechanism comprising: retractor means biased in the webbing-retracting direction; locking means which can be placed in engaging and non-engaging positions for permitting said retractor means to be prevented from rotating in the webbing-withdrawal direction and to rotate in the webbing withdrawal direction; mechanically operable operating means for manually operating said locking means so as to bring it to either one of said positions, said operating means including a wire by which said locking means is brought to either one of said positions; means for limiting the amount of movement of said wire to a given value or less; said means for limiting the amount of movement comprising an arm to which one end of said wire is attached, a manually operable lever which is integrated with a cam engageable with said arm, said cam having an arc portion and a chord portion, said arm being normally engaged with the chord of the cam and, when operated, being engaged with the arc portion of the cam, whereby said wire is not further moved even when said lever is thereafter rotated; and buffer means interposed between said locking means and said operating means.