Patent · US Expired

Key for electronic and mechanical locks

US4998952A · kind A · utility

40Cited by
6References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 2, 1990
Grant dateMar 12, 1991
Priority date—
Expiry dateMar 2, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/7876
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A hybrid key for operating both electronic and mechanical locks has the electrical components in a separate and removable housing which is normally secured to the bow portion of the key blade but may be removed, the disclosed means for securing the electrical housing to the key bow is via a configuration including grooves in the housing, a hook portion on the key bow, and holes through the housing and bow at a single point for rivet securing means.

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