F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
307/16, 327/72
F27B 3/16 (2006.01) C21C 5/52 (2006.01) F27D 1/18 (2006.01)
Patent
CA 1318341
ABSTRACT OF THE DISCLOSURE: An electric furnace includes a furnace vessel arranged on a furnace platform and covered by a furnace lid liftable and lowerable by a lid lifting mechanism and pivotable from a position above the furnace vessel into a position lateral of the furnace vessel, and back, by a lid pivoting mecha- nism. A lid supporting framework pivotably mounted lateral of the furnace vessel and including at least one lid brack- et is provided for lifting, lowering and pivoting the furnace lid. In order that the high-current cables are only slightly twisted when pivoting the furnace lid, despite the pivot axis for the furnace lid being arranged as close to the furnace vessel as possible, the lid supporting frame- work is pivotably connected with the furnace platform by an oscillating crank hinged to it. The lid supporting frame- work, under formation of a coupler, either is hinged to the furnace platform by means of a further oscillating crank under formation of a four-bar linkage or is guided with by one point along a guide arranged on the furnace platform under formation of a thrust crank.
566350
Muhlbauer Johann
Riegler Ernst
Zajicek Ernst
Fetherstonhaugh & Co.
Voest-Alpine Industrieanlagenbau Gmbh
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