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Self-locking telescopic actuator for steering column assembly

A technology of steering columns, components, applied in the field of components with telescopic actuators, which can solve the problems of complex design options, inoperability, etc.

Active Publication Date: 2020-03-10
STEERING SOLUTIONS IP HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such actuators, when coupled to an energy absorbing (E / A) device, may render the E / A device inoperable when the steering column assembly is in manual mode, and / or may limit design options and / or complicate design options related to E / A installations

Method used

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  • Self-locking telescopic actuator for steering column assembly
  • Self-locking telescopic actuator for steering column assembly
  • Self-locking telescopic actuator for steering column assembly

Examples

Experimental program
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Embodiment Construction

[0019] Referring now to the drawings, which illustrate a non-limiting example of the use of an extendable steering column assembly 20 as a self-locking telescoping actuator 22, the present invention will be described with reference to specific embodiments without limiting the invention. invention. The steering column assembly 20 integrated with the self-locking telescoping actuator 22 is applicable to autonomous vehicles. For example, steering column assembly 20 may be, or be part of, a steering wheel on-demand system. In such an application, the self-locking telescoping actuator 22 may be adapted to disengage, thus assisting the driver in obtaining the steering wheel from the stowed position. The actuator 22 can also be configured to lock when the self-locking telescoping actuator 22 is in the disengaged state for enhanced crashworthiness protection, since the steering column moves the steering column with far less load than the energy absorption ( E / A) load. It is also co...

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PUM

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Abstract

An extendable steering column assembly includes a steering shaft, an energy absorption device, and a self-locking telescope actuator. The steering shaft is configured to rotate about an axis, and includes a forward shaft portion mounted for rotation to a fixed support structure, and a rearward shaft portion mounted for rotation to a jacket. The rearward shaft portion is configured to axially translate with the jacket. The energy absorption device is engaged to the jacket. The telescope actuator includes a rod extending along a centerline, a nut threaded to the rod, and a casing in operable contact with the nut. Rotational motion along with axial translational motion is induced between the rod and the nut when at least in at least a power state.

Description

[0001] Cross References to Related Applications [0002] This patent application claims priority to U.S. Provisional Patent Application Serial No. 62 / 352,809, filed June 21, 2016, which is hereby incorporated by reference in its entirety. technical field [0003] The present disclosure relates to a steering column assembly, and more particularly, to an assembly having a telescoping actuator. Background technique [0004] Telescoping actuators for telescoping steering column assemblies may generally have an electric mode of operation and a manual mode of operation. Such actuators, when coupled to an energy absorbing (E / A) device, may render the E / A device inoperable when the steering column assembly is in manual mode, and / or may limit design options and and / or complicate design options related to E / A devices. [0005] Accordingly, there is a need to provide a telescoping actuator that is capable of both powered and manual mode operation while utilizing a robust and simplifi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D1/181B62D1/184B62D1/185
CPCB62D1/181B62D1/184B62D1/185B62D1/192B62D1/195
Inventor J·E·鲁诺
Owner STEERING SOLUTIONS IP HLDG