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:
May. 10, 1983
Filed:
Feb. 03, 1981
Applicant:
Inventors:
Knud T Andersen, Copenhagen, DK;
Erik C Christensen, Copenhagen, DK;
Assignee:
F. L. Smidth & Co., Cresskill, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241121 ; 241290 ;
Abstract
A vertical roller mill includes a grinding table positioned for rotation around a vertical axis and two upright grinding rollers resting on their peripheral grinding surfaces on the grinding table for grinding material thereon. Each of the grinding rollers is rotatably mounted on a respective fixed horizontal shaft connected at one end to a common, central frame and at the other end to a draw bar. Preferably, the draw bar is regulated by a hydraulic cylinder secured in a bracket which is anchored in the mill foundation.