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:
Sep. 25, 1984
Filed:
Jun. 27, 1983
Applicant:
Inventors:
Kjell Bergman, Vasteras, SE;
Erik Lassander, Viken, SE;
Assignee:
ASEA Aktiebolag, Vasteras, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
373 98 ; 373106 ;
Abstract
Apparatus for positioning an arc furnace electrode which includes a verticle tubular electrode mast which is both horizontally and vertically movable. Inside the mast is a hydraulic cylinder which has a double-acting piston. When the mast is in its uppermost position it may be locked whereby hydraulic fluid is removed from above the piston. Fluid is then introduced below the piston to raise it and the piston rod to a level above the furnace platform such that the mast can be moved horizontally over the platform.