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:
Jan. 03, 1978
Filed:
Nov. 20, 1975
Applicant:
Inventors:
Hartmut Euer, Gauting, DT;
Gerhard Bartek, Munich, DT;
Assignee:
Apparatebau Gauting GmbH, Gauting, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
73430 ; 7343 / ; 7343 / ;
Abstract
A spring system has an adjustable spring force and includes at least one magnet. The magnet has a magnetic field, and at least one conductor passing direct current is disposed in the magnetic field. The magnet is formed by a number of pole pairs disposed along the path of displacement of the conductor, and each of the pole pairs encloses an air gap; the current-carrying conductor is a wire.