Disc screen rotor including shaft and discs

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Description

FIG. 1 is an end perspective view of a disc screen rotor including shaft and discs showing my new design;

FIG. 2 is an end perspective view of a disc screen rotor including shaft and discs showing my new design as seen from the opposite end;

FIG. 3 is an end perspective view of the shaft portion of a disc screen rotor inlcuding shaft and discs showing my new design;

FIG. 4 is an end perspective view of the shaft portion of a disc screen rotor including shaft and discs showing my new design as seen from the opposite end; and,

FIG. 5 is a plane view of the discs portion of a disc screen rotor including shaft and discs showing my new design.

Referenced Cited
U.S. Patent Documents
3139918 July 1964 Gronberg
3463406 August 1969 Musgrave
3552461 January 1971 Paoli
3726208 April 1973 Brengman et al.
4953794 September 4, 1990 Paoli
5560552 October 1, 1996 Powell et al.
Patent History
Patent number: D392296
Type: Grant
Filed: Mar 5, 1996
Date of Patent: Mar 17, 1998
Assignee: Rotom Verkstader AB (Sundsvall)
Inventor: Gustav Fredriksson (Sundsvall)
Primary Examiner: Antoine Duval Davis
Law Firm: Young & Thompson
Application Number: 0/51,453
Classifications
Current U.S. Class: Deforming Or Crushing (includes Element) (5) (D15/123)
International Classification: 1509;