Patent
   D263836
Priority
Oct 11 1979
Filed
Oct 11 1979
Issued
Apr 13 1982
Expiry
Apr 13 1996
Assg.orig
Entity
unknown
12
5
n/a
The ornamental design for a portable screening plant, as shown and described.

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.

Read, James L.

Patent Priority Assignee Title
4923597, Jan 13 1989 PORTEC, INC Portable screen with raising and levelling system
5219078, Dec 11 1990 The Read Corporation Material separating and sizing apparatus with vibrating rods and method
5244098, Nov 02 1992 METSO MINERALS INDUSTRIES, INC Material separating apparatus and method
5641071, Jun 30 1995 METSO MINERALS INDUSTRIES, INC Convertible material separating apparatus, and convertible kits
5842578, Mar 27 1997 Screening apparatus and carrier combination
6439393, Feb 14 2000 Z Screen LLC Method and apparatus for separating excavated material
6863182, Feb 14 2000 Z Screen LLC Method and apparatus for separating excavated material
7641053, Feb 14 2000 Z Screen LLC Method and apparatus for separating excavated material
8727128, Feb 14 2000 Z Screen LLC Method and apparatus for separating excavated material
9801344, Jun 21 2016 White cap removal unit for a grain cleaner
D631900, Dec 17 2009 Trommel
D650395, Feb 27 2009 Ultra light mini dredge
Patent Priority Assignee Title
3080860,
3101314,
3215408,
4222866, Jan 05 1979 Filter box
236155,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Oct 11 1979F. T. Read & Sons, Inc.(assignment on the face of the patent)
Feb 22 1988F T READA SONS, INC , A CORP OF MA CONNECTICUT NATIONAL BANK CNB SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0048280537 pdf
Nov 30 1988F T READ & SONS, INC BANK OF NEW ENGLAND, N A SECURITY INTEREST SEE DOCUMENT FOR DETAILS 0049910993 pdf
Dec 12 1988CONNECTICUT NATIONAL BANKF T READ & SONS, INC ,RELEASED BY SECURED PARTY SEE DOCUMENT FOR DETAILS RECORDED MAR 3, 1988 AT REEL 4828, FRAME 05370049910981 pdf
Sep 15 1990F T READ AND SONS, INC SHAWMUT BANK, N A , AS TRUSTEESECURITY INTEREST SEE DOCUMENT FOR DETAILS 0054830274 pdf
Nov 20 1997STATE STREET BANK AND TRUST COMPANY, AS SUCCESSOR TRUSTEE TO SHAWMUT BANK, N A , TRUSTEEF T READ & SONS, INC DISCHARGE0089750498 pdf
Nov 20 1997FEDERAL DEPOSIT INSURANCE CORPORATION AS RECEIVER AND FOR NEW BANK OF NEW ENGLAND, N A F T READ & SONS, INC DISCHARGE0089950595 pdf
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