Portable screening plant

- F. T. Read & Sons, Inc.
Description

FIG. 1 is a perspective view of the front and hitch end of all embodiments of my portable screening plant;

FIG. 2 is a top view of a first embodiment of the screening plant of FIG. 1;

FIG. 3 is a rear elevational view of the embodiment of FIG. 2 showing the underside of the screen;

FIG. 4 is an elevational view of the hitch end of the screening plant of FIG. 1;

FIG. 5 is an elevational view of the wheel end of the embodiment of FIG. 2;

FIG. 6 is a perspective view of the rear and wheel end of the embodiment of FIG. 2 with the screening plant in a raised position in which it is supported by the wheels;

FIG. 7 is a perspective view similar to FIG. 1 but with the screening plant in a raised position in which it is supported by the wheels;

FIG. 8 is a top view of an alternative embodiment of the screening plant suitable for use with an outfeed conveyor through the wheel end;

FIG. 9 is a rear elevational view of the embodiment of FIG. 8 showing a hopper within the plant and below the screen;

FIG. 10 is a wheel end elevational view of the embodiment of FIG. 8 showing a conveyor-opening over the wheel axle;

FIG. 11 is a rear perspective view of a third embodiment of the screening plant suitable for use with an outfeed conveyor but with a higher conveyor-opening toward the rear of the wheel end and with the rear partially closed.

Referenced Cited
U.S. Patent Documents
D236155 July 1975 Lower et al.
3080860 March 1963 Riccio, Jr.
3101314 August 1963 Johnson
3215408 November 1965 Hansen
4222866 September 16, 1980 Wilson
Patent History
Patent number: D263836
Type: Grant
Filed: Oct 11, 1979
Date of Patent: Apr 13, 1982
Assignee: F. T. Read & Sons, Inc. (Rockland, MA)
Inventor: James L. Read (Halifax, MA)
Primary Examiner: A. Hugo Word
Law Firm: Hamilton, Brook, Smith & Reynolds
Application Number: 6/83,971
Classifications
Current U.S. Class: Vibrator Or Separator (D15/147)
International Classification: D1504;