Steering structure capable of simultaneously completing a horn circuit in a motor-car

Claim 1

A steering structure in a motor-car, which comprises: a steering wheel mounted on a steering shaft; a direction indicator mechanism having a central bore through which said steering shaft extends; a cam cylinder having a cam with one or more cancelling projections and mounted coaxially with said central bore of said direction indicator mechanism, said cam cylinder being mounted for conjoint rotation with said steering shaft and for axial sliding movement with respect to said steering shaft; a spring for supporting said cam cylinder; a contact pin provided at its top portion with a head inserted in a recess formed in said steering wheel and provided at its lower portion with a rod fitted in said cam cylinder and serving for preventing relative rotation between said steering wheel and said cam cylinder; a terminal Plate at the top wall of said recess and abutting said contact pin, said terminal plate being a terminal of a first part of a horn circuit provided in the steering wheel, said first part of said horn circuit including a horn switch; a ring coaxial with the steering shaft and slidably contacting the end of the rod of said contact pin and said spring, said spring being in electrical contact with the terminal of a second part of the horn circuit provided in the car body, thereby completing the horn circuit.