The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 1998
Filed:
Oct. 25, 1996
Peter Bartel, Hattingen, DE;
Kiekert AG, Heiligenhaus, DE;
Abstract
A vehicle door lock having a closing element component, a locking element component and an actuating element component, the latter having a component actuating element and a securing actuating element, is connected to a central locking unit for remote controlled actuation of the securing actuation element. The actuation is effected with an electric motor and, in addition, a position monitoring is provided. The electric motor, for drive by the central locking unit is a reversible polyphase stepping motor with a phase confirming stator winding and which acts via a transmission on the lock component. The locking component is designed for a drive power which is greater than the nominal power of the polyphase stepping motor when it is permanently energized. The stepping motor is driven with a working voltage which is greater than the design voltage corresponding to the drive power for the centrally operable unit. For the position monitoring, a step monitor system is used. The polyphase stepping motor is controlled with the aid of a computer.