POWER STEERING DEVICE

A power steering device for assisting a steering force applied to a steering wheel by a driver includes a worm shaft that rotates in association with driving of an electric motor, a worm wheel that meshes with the worm shaft and transmits a rotational force of the electric motor to a rack shaft stee...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SHIMODA KATSUMI, YOSHIKAWA SHINRAKU
Format:	Patent
Sprache:	eng
Schlagworte:	LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MOTOR VEHICLES PERFORMING OPERATIONS TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	A power steering device for assisting a steering force applied to a steering wheel by a driver includes a worm shaft that rotates in association with driving of an electric motor, a worm wheel that meshes with the worm shaft and transmits a rotational force of the electric motor to a rack shaft steering a wheel, a bearing that supports a tip end side of the worm shaft, a gear case that houses the worm shaft, a lid that closes an opening formed in a tip end portion of the gear case, a first elastic portion arranged in a compressed manner between the gear case and the lid, and a second elastic portion arranged between an inner circumferential surface of the gear case and an outer circumferential surface of the bearing. The first and the second elastic portion are formed in an integrated manner via a small thickness portion.