Electric power steering system

An electric power steering system includes a worm reduction gear. An end portion (3b) of worm shaft (3), the end portion (3b) being distant from a motor (1), is urged toward a worm wheel (4). The worm shaft (3) is supported by a bearing (6) at an end portion (3a) close to the motor (1). A movement i...

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1. Verfasser: HAMAKITA, JUN
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:An electric power steering system includes a worm reduction gear. An end portion (3b) of worm shaft (3), the end portion (3b) being distant from a motor (1), is urged toward a worm wheel (4). The worm shaft (3) is supported by a bearing (6) at an end portion (3a) close to the motor (1). A movement inhibitor (11) that includes an elastic element (11b) is arranged between the worm shaft (3) and the bearing (6). The movement inhibitor (11) allows the worm shaft (3) to move within a predetermined range in a radial direction of the worm shaft (3) with respect to the bearing (6) and allows the worm shaft (3) to move within a predetermined range in an axial direction of the worm shaft (3) with respect to the bearing (6).