LINEAR ACTUATOR, LONGITUDINAL ADJUSTMENT DEVICE OF A SEAT AND MOTOR VEHICLE

LINEAR ACTUATOR, LONGITUDINAL ADJUSTMENT DEVICE OF A SEAT AND MOTOR VEHICLE

The present invention relates to a linear drive (1) having a drive shaft (10) along a longitudinal axis (X), at least two propelling teeth (20), and at least one gear rack (30) comprising a plurality of teeth (31), wherein the propelling teeth (20) are reciprocatingly movable perpendicularly to the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Fechler, Jens, Mittelbach, Marcel, Hofschulte, Wolfram, Werschler, Marco, Benz, Nikolai, Oberle, Stephan
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BLASTING
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
PERFORMING OPERATIONS
SEATS SPECIALLY ADAPTED FOR VEHICLES
THERMAL INSULATION IN GENERAL
TRANSPORTING
VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR
VEHICLES IN GENERAL
WEAPONS
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Beschreibung
Zusammenfassung:The present invention relates to a linear drive (1) having a drive shaft (10) along a longitudinal axis (X), at least two propelling teeth (20), and at least one gear rack (30) comprising a plurality of teeth (31), wherein the propelling teeth (20) are reciprocatingly movable perpendicularly to the longitudinal axis (X) and are drivingly connected to the drive shaft (10) such that said at least two propelling teeth (20) carry out at least one cyclical reciprocating movement (21) during the course of one rotation (φ) of the drive shaft (10), dipping into and out of the at least one gear rack (30) in order to produce propelling motion along the longitudinal axis (X), and wherein the cyclical reciprocating movement (21) of the at least two propelling teeth (20) have phase shifts (Δφ). Furthermore, the present invention relates to a longitudinal-adjustment unit as well as to a motor vehicle coprising such a longitudinal-adjustment unit.