| 摘要 |
<p>PURPOSE:To effectively cut off vibration in the circumferential direction at neutral position of a steering wheel by holding sleeves on neutral position in the axial direction, and cutting off transmission between the sleeves and a first and a second shafts through a cutting off means. CONSTITUTION:The cut off mechanism of vibration in the circumferential direction is provided with a first and a second shafts 11, 12 which are relatively rotatable through a bearing 19, and a sleeve 13 of large diameter and a sleeve 14 of small diameter which are arranged between both shafts 11, 12. The first shaft 11 has a pair of external gears 11b, 11c and internal gears 11d, 11e, and the second shaft 12 has two pairs of external gear 12b, 12c and 12d, 12e. Respective sleeves 13, 14 have inclined long cam holes 13a, 14a to which respective projection 11a, 12a of the shafts 11, 12 are slidably fitted, and are held on the neutral position in the axial direction with springs 15, 17 when a steering wheel 20 is on the neutral position.</p> |
