DISPOSITIF DE MANOEUVRE D'UN MOYEN D'OBTURATION D'AIR POUR INSTALLATION DE CHAUFFAGE, VENTILATION ET/OU CLIMATISATION, NOTAMMENT D'UN HABITACLE DE VEHICULE

摘要

The device has a drive shaft (3) that in articulated connection by a connecting rod (5) with a driven shaft (2). The driven shaft is carrier of an air blocking unit (1) preventing circulation of air flow through an air duct of a heating, ventilating and air-conditioning installation in a closing position and authorizing circulation of air flow through the air duct in an opening position. The drive shaft includes an elbow (9) with an articulation finger (13) depressed in rotational connection with the connecting rod and defining clearance (16) provided on the drive shaft.