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.:

US 6822408 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 23, 2004

Filed:

Jan. 29, 2003
Applicant:
Inventors:

Dieter Eckardt, Herzogenaurach, DE;

Ronald Hauf, Möhrendorf, DE;

Assignee:

Siemens Aktiengesellschaft, München, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 7/00 ;
U.S. Cl.
CPC ...
H02P 7/00 ;
Abstract

In a method of holding a machine element, whose position is directly or indirectly controlled by an electromotive drive in the absence of a self-locking mechanism, the drive is halted and a brake is activated to maintain the machine element in a holding position, without shutting down the drive which remain active. The drive is thus a safe drive constructed to securely prevent a re-starting although an inadvertent shutdown is not preventable.


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Eckardt, Dieter. (2004). Method of securing a machine element and/or a load connected to the machine element in a fixed position (U.S. Patent No. 6822408). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6822408

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