A vehicle seat lumbar support including: brackets located on both sides of a seat back frame; a fixing unit having guides for guiding an operating unit and a driver including a motor having a driving shaft, a worm fitted to the driving shaft of the motor, a worm gear rotating by the worm, and a pinion gear fitted to a shaft of the worm gear; and an operating unit driven by the driver and including a block band having base blocks having hooks formed on underside surfaces thereof, a base band for locking the hooks of the base blocks thereonto in such a manner as to be coupled to the guides on top and underside of one side thereof, and a rack gear formed on the base band in such a manner as to engage with the pinion gear fitted to the shaft of the worm gear.
EXTENDABLE VEHICLE SEAT LUMBAR SUPPORT USING RACK AND PINION
25.07.2019
Patent
Elektronische Ressource
Englisch
IPC: | B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet |