Patent · US Expired

Protective safety lock

US4134279A · kind A · utility

16Cited by
2References
4Claims
0Family size

Inventors

Key dates

Filing dateApr 22, 1977
Grant dateJan 16, 1979
Priority date
Expiry dateApr 22, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/796
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

In a steering column locking device a further protective mechanism for said locking device composed of an enclosure composed of two substantially semi-circular side walls, structurally hinged by concealed hinges at each of one extreme, a pair of open chambers forming a part of the other extremities of the side walls, the chambers being slidable one within the other. A cylindrical lock mechanism is carried by one open chamber and is keyed to operate a slug depending from the lock so that the slug engages an aperture in the other chamber thereby locking the two semi-circular walls about the steering column locking device.

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