| 摘要 |
<p>PURPOSE:To aim at improvements in the assembling properties of a steering wheel, by installing a notched groove, for insertingly guiding a spiral part of a signal transmission cable, in an outer circumferential part of a boss plate. CONSTITUTION:A cable 22, piercing a sun gear at the pad side, is rolled on the circumference of a cylindrical cover part 9a of the said gear in spiral form, and further inserted and guided into a notched groove 3d installed in an outer circumferential part of a boss plate 3 and, after being rolled on the circumference of a cylindrical cover part 5a of a sun gear 5 at the column side likewise in spiral form, pierces the sun gear 5 and guided inside a column. Rotation of the boss plate 3, namely, rotation of a ring part is made rotatable two times in both directions, and in accord with this constitution, a spiral part of a relay cable 22 is set to be six rolls.</p> |
