Patent · US Expired

Adjusting element for the unlocking, locking and break-in security of a door or lid lock

US4993249A · kind A · utility

1Cited by

3References

19Claims

0Family size

Assignees

Daimler-Benz AG · DE
VDO Adolf Schindling AG · DE

Inventors

Josef Schumacher · Reutlingen, DE
Dieter Feichtiger · Aidlingen, DE
Peter Robitschko · Sindelfingen, DE
Klaus Claar · Sindelfingen, DE
Hans Deischl · Nagold, DE
Rainer Seitz · Frankfurt, DE

Key dates

Filing date	Feb 10, 1989
Grant date	Feb 19, 1991
Priority date	—
Expiry date	Feb 10, 2009

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T292/57
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A mechanical unlocking arrangement is integrated in an adjusting element for the unlocking and locking of a door- or lid-lock which in addition to a main adjusting drive includes a further power-actuated security-adjusting drive for blocking the adjusting member of the main adjusting drive in the position keeping the lock locked by means of a locking member; the mechanical unlocking arrangement thereby enables a release of the blocked adjusting member without power-assist.

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