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. 01, 1985
Filed:
Mar. 29, 1983
Applicant:
Inventors:
Ottmar Bacharach, Kaiserslatern, DE;
Herbert Schafer, Vinningen, DE;
Assignee:
Gebr. Pfeiffer AG, Kaiserslauter, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241121 ; 2412 / ;
Abstract
A roller mill having a grinding plate revolving around a vertical central axis and a plurality of grinding rollers arranged in grinding rolling contact with the grinding plate is constructed with a separate frame supporting each of the grinding rollers for rotation about a stationary axis, with each frame having projections at both its ends constructed to form a connecting joint between the frames at each of the ends thereof.