| 摘要 |
<p>Double synchronized safety belt coiler for back tensioners, consisting of a pinion (40) fixedly attached axially to a coiling shaft and a locking catch (18) rotatably supported at a distance from the pinion (40), the locking catch (18) having also teeth (41) for engagement in the pinion (40) whereby the rotary engagement movement of the locking catch (18) has a direction of rotation opposite to that of the pinion, together with a control plate (20) which can be entrained after the triggering of sensors (25, 30) by the pinion (40) their pre-control elements (22, 24), a control cam (36) and a control pin (37) engaging in the control cam (36). To ensure that in the locked position when the back tensioner is released the lock can be automatically disengaged in a short time, without loosing the locking function thereby, the invention provides that the control pin (37) is arranged on the locking catch (18) and the control cam (36) is arranged on the control plate (20) and that the control cam (36) is inclined over its whole length at an angle of at least 10o in relation to a tangent which at the relevant interface of the control cam (36) is applied against an arc of cercle passing around the rotation axis (38) of the pinion (40).</p> |
