Steering column assembly
AssigneeZF Automotive UK Limited
InventorPhil Harvey
Life of this patent
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Abstract
A steering column assembly includes a steering shaft, a shroud, a support bracket and a clamping mechanism which clamps the shroud to the bracket. When the clamping mechanism is unclamped, the clamping mechanism permits the shroud to pivot about the pivot assembly to enable the steering column assembly to be adjusted for rake. The pivot assembly further includes a sleeve, a ring shaped busing, and a set of circumferentially arranged spacer members. The ring-shaped bushing defines a set of circumferentially spaced resilient members that each define a contact surface that contacts one of the sleeve and the bore. The spacer members are arranged alternately with the resilient members around the whole or a substantial part of the bushing.
Claims10
A steering column assembly comprising:
- a steering shaft;
- a shroud that supports the steering shaft through at least one bearing assembly and which in use supports a steering wheel at one end, an electric motor connected to the steering shaft through a gearset located within a gearbox housing;
- a support bracket secured to a first fixed part of the vehicle, a pivot assembly which in use connects the steering column assembly to a second fixed part of the vehicle;
- and
- a clamping mechanism which in a clamped condition clamps the shroud to the bracket and in an unclamped condition permits the shroud to pivot about the pivot assembly to enable the steering column assembly to be adjusted for rake,
- wherein the pivot assembly further comprises
- a sleeve that has cylindrical portion, the sleeve being located within a respective oversized bore that extends through the gearbox housing orthogonal to the axis of the steering shaft, and
- a ring shaped bushing that is fitted onto the cylindrical tubular portion and defines a set of circumferentially spaced resilient members that each define a contact surface that contacts one of the sleeve and the bore, and
- a set of circumferentially arranged spacer members which each define a contact surface that contacts the other one of the sleeve and the bore, the spacer members being arranged alternately with the resilient members around the whole or a substantial part of the bushing.
Dependencies are inferred from the claim text.