Patent ID: 9145161
Filing Date: 2015-09-29
Classification: B22D,B60R,B62D

Abstract:
1. An outer column for a telescopic steering apparatus, comprising: a slit formed in one end section in an axial direction of the outer column; a pair of held-plate sections provided in positions on both sides of the slit in a width direction of the outer column and having long holes that extend in the axial direction and that are formed in portions of the pair of held-plate sections, the portions being aligned with each other; and a lock through hole formed in a portion that is separated in the axial direction from the pair of held-plate sections, with a phase of the portion in a circumferential direction of the outer column being shifted from a center axis of the slit, the slit having an approximately H shape as seen in a radial direction of the outer column, and comprising: a main-slit section formed in the axial direction; and a pair of sub-slit sections formed in the circumferential direction at both end sections in the axial direction of the main-slit section, with middle sections in the circumferential direction of the sub-slit sections being continuous with the end sections in the axial direction of the main-slit section; and the pair of the sub-slit sections having four end sections, the four end sections each having a length in the circumferential direction from the main-slit sections, and at least the length in the circumferential direction from the main-slit section of a closest-end section of one sub-slit section of the pair of the sub-slit sections which is located on a side close to the lock through hole in the axial direction, the closest-end section being located in a portion close to the lock through hole in the circumferential direction, being shorter than the lengths in the circumferential direction from the main-slit section of the other end sections of the pair of sub-slit sections.