Gear assembly for a seat adjuster

• Main Authors: Napau, Mircea, Michel, Armin, Becker, Burckhard
• Format: Patent
• Language: English
• Published: 05.02.2019
• Subjects: 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

A gear assembly for a seat adjuster includes a gear housing, a worm gear, a helical gear meshed with the worm gear, a wobble gear carried on an eccentric lobe of the helical gear, a pinion disc, a first ring gear disposed in the gear housing, a second ring gear disposed in the pinion disc, and a pinion member carrying the helical gear and the pinion disc. The wobble gear includes first and second sets of wobble gear teeth that mesh with the first and second ring gears, respectively. A housing side gear ring disposed in the gear housing defines part of the first ring gear and the gear housing defines another part of the first ring gear. A pinion disc gear ring disposed in the pinion disc defines part of the second ring gear and the pinion disc defines another part of the second ring gear.