| 摘要 |
Described herein is a device for sending down seat backrests in vehicles. The backrests are manually mobile between two operative positions. The device is provided with: an anchoring plate and a supporting plate hinged to one another and fixed, respectively, to a seat-cushion frame and to the backrest; and a blocking plate, set between the anchoring plate and the supporting plate. The blocking plate is manually mobile against the elastic action of a spring fixed to the anchoring plate and is provided, together with the anchoring plate itself, with respective guide slots engaged by a pin fixed to the supporting plate and mobile between two blocking seats made at the opposite ends of the guide slot of the blocking plate, in positions staggered with respect to the guide slot of the blocking plate itself.
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