SUPPORT BRACKET, MANUFACTURING METHOD THEREOF, AND ELECTRIC POWER-STEERING APPARATUS

摘要

A support bracket structure is realized, in which the support bracket is made using a metal plate and sufficient strength and rigidity thereof can be maintained, and the production costs thereof can be kept sufficiently low by improving the yield of material. A support bracket 14a for supporting the front end section of a steering column 6a by way of a housing 9a of an electric power-steering apparatus is manufactured by using a press to punch out and bend a metal plate. By devising the dimensions and bending direction of each part, the yield of material is improved, while at the same time the height dimensions of the first side plate section 19 and the second side plate section 20 required for maintaining the support rigidity under a heavy load is maintained.

主权项

1. A support bracket for supporting a steering column made by punching and bending a metal plate into a single piece having a left and right asymmetrical shape, and comprising:
a base plate section that is provided in the width direction on a rear end section of the support bracket; a pair of left and right rear installation plate sections that are provided on both end sections in the width direction of the base plate section; a first extended section and a second extended section that extend forward from the edge on the front end of these rear installation plate sections; a first side plate section that is bent upward from an edge on the inside in the width direction of the first extended section; a second side plate section that is bent upward from an edge on the outside in the width direction of the second extended section; a first front installation plate section that is provided in a state of being bent outward in the width direction from the edge on the top end of the first side plate section; and a second front installation plate section that is provided in a state of being bent outward in the width direction from the edge on the top end of the second side plate section.