Adjusting device having a spindle drive

E - Fixed Constructions – 05 – F

Patent

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Details

E05F 15/12 (2006.01)

Patent

CA 2647599

The invention relates to an adjusting device (3) having a spindle drive (11), in particular for automatically actuating the vehicle door (2) of a motor vehicle (1), the spindle drive (11) comprising a spindle (13), which can be rotated by an electric-motor drive (100), and a spindle nut (15) which, when the spindle (13) is rotated, can be displaced along the longitudinal axis (16) of the spindle (13) in a guide (24), from a retracted rest position into an extended position. The invention proposes a spindle drive (11) having a one-piece spindle nut (15) which has the form of a tubular push rod which extends in the direction of the longitudinal axis (16) of the spindle (13). This push rod-shaped region of the spindle nut (15) then acts, via a corresponding connecting part (6), on a part (2) of the motor vehicle that is to be adjusted, that is to say, for example, the tailgate (2) of the motor vehicle (1).

La présente invention concerne un dispositif de réglage (3), comportant un entraînement de tige (11), en particulier pour actionner automatiquement la portière (2) d'une automobile (1). L'entraînement de tige (11) comprend une tige (13) qu'un entraînement par moteur électrique (100) peut faire tourner, et un écrou de tige (15) qui, quand la tige (13) est mise en rotation, peut se déplacer le long de l'axe longitudinal (16) de la tige (13) dans un guide (24), d'une position de repos rentrée en une position déployée. L'invention propose ainsi un entraînement de tige (11) comportant un écrou de tige (15) monobloc présentant la forme d'une tige poussoir tubulaire se présentant dans le sens de l'axe longitudinal (16) de la tige (13). Cette région en tige poussoir de l'écrou de tige (15) agit alors, par l'intermédiaire d'une pièce de liaison correspondante (6), sur une partie (2) de l'automobile que l'on veut régler, à savoir, notamment, le hayon (2) de l'automobile (1).

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