Method of manufacturing a steering wheel and steering wheel manufactured according to this method

摘要

A steering wheel (1) is provided with a steering wheel body, a boss core (13) and an air bag device held by the boss core. The steering wheel body includes a core portion (17) having a ring core (21) and spoke cores (23) and a cover portion covering the core portion. The cover portion (19) includes a core cover layer (29) covering the ring core (21) and the spoke cores (23) and a ceiling cover layer (31) continuously formed with the core cover layer (29) covering the center of the steering wheel (1). The boss core (13) holds an air bag device (15) between the boss core (13) and the ceiling cover layer (31). The boss core (13) also has a connection part (55) that allows a steering shaft (7) to be connected from underneath the steering wheel (1).