Patent ID: 6199908
Filing Date: 2001-03-13
Classification: B60Q,B60R,B62D,Y10T

Abstract:
A vehicle steering wheel provided with an air bag module and disposed above a column cover, comprising:a ring arm section circular in shape,a boss section disposed at a central portion of said ring arm section and connected to a steering wheel shaft, the air bag module being disposed above said boss section; andspoke sections interconnecting said boss section and said ring arm section, said spoke sections including two fore-spoke arm sections disposed on a fore side of the steering wheel and at least one back-spoke arm section disposed on a back side of the steering wheel,wherein said fore- and back-spoke arm sections respectively include fore- and back-inner portions extending from said boss section in a direction substantially perpendicular to an axis of said boss section, and fore- and back-outer portions extending upwardly and outwardly from said fore- and back-inner portions up to said ring arm section, and the air bag module is fixed to said fore- and back-inner portions of said fore- and back-spoke arm sections, andwherein said fore-spoke arm sections include a torsional deformation part being provided closer to said ring arm section than a mounting portion of the air bag module, andsaid at least one back-spoke arm section includes a first bending deformation part being provided in said back-inner portion closer to said boss section than the mounting portion of the air bag module, and a second bending deformation part being provided closer to said ring arm section than the column cover and the mounting portion of the air bag module, said first bending deformation part having a lower bending rigidity than said second bending deformation part.