Patent · US Expired

Steering column lock apparatus and method

US7140213B2 · kind B2 · utility

80Cited by
101References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 21, 2004
Grant dateNov 28, 2006
Priority date
Expiry dateFeb 21, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/5956
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A lock bolt extendible and retractable by movement of a power transmission assembly driven by an actuator and having a cam thereon which cams against the lock bolt to retract the lock bolt and unlock the steering column. In some embodiments, the cam has a curved surface with varying distance from the axis of rotation of the cam or pivot to improved lock bolt motion. The cam can have a gradual ramp surface to extract a lock bolt even in binding conditions of the lock bolt.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.