Screen maintenance link

Patent metadata

Field	Value
Publication number	US-12090516-B2
Application number	US-202217739570-A
Country	US
Kind code	B2
Filing date	May 9, 2022
Priority date	Nov 29, 2017
Publication date	Sep 17, 2024
Grant date	Sep 17, 2024

Abstract

Disclosed is an inclined mobile screen for processing road building materials which provides for easy reconfiguration of the screen from operation configuration to a transport configuration and to a maintenance configuration, which allows for increased clearance between the screen and a feed conveyor without requiring a hydraulic actuator disposed therebetween. Nested telescopic supports are selectively coupled together in an offset connection to allow changes in the orientation of the screen to result in changes in the separation between the screen and the conveyor so as to allow for more clearance therebetween during time of maintenance.

First claim

We claim:

1. A material sorting screen comprising:
a vibrating screen coupled to a screen base; which screen base is pivotally coupled at one end to a base mainframe;
an overhead feed conveyor configured to provide material to be screened to the vibrating screen at various operating angles;
said overhead feed conveyor is coupled to the screen base via the screen base to a first conveyor tube-in-tube support leg which comprises a first outer tube and a first inner tube; and
a screen maintenance link which is selectively coupled, through an offset connection, between the first outer tube and the first inner tube, so that when said screen maintenance link is coupled to the first outer tube, and the vibrating screen is lowered, a combined length of the screen base to the first conveyor tube-in-tube support leg is more than it would be if the vibrating screen were lowered to a horizontal position without coupling the screen maintenance link.

2. The material sorting screen of claim 1 further comprising: a source of hydraulic power disposed between and configured to cause relative motion between said screen base and said base mainframe.

3. The material sorting screen of claim 2 wherein said vibrating screen is free of any hydraulic and electric components which provide power to cause relative motion between said screen base and said overhead feed conveyor, other than said source of hydraulic power disposed between and configured to cause relative motion between said screen base and said base mainframe.

4. The material sorting screen of claim 3 further comprising: a removable maintenance link pin used for coupling said screen maintenance link to said first outer tube.

5. The material sorting screen of claim 4 wherein an output end of said overhead feed conveyor is detachably coupled to said screen base.

6. The material sorting screen of claim 4 wherein said overhead feed conveyor is detachable through translation of a protuberance along an open-ended slot.

7. The material sorting screen of claim 3 wherein said base mainframe to conveyor support is rigidly coupled to said base mainframe.

8. The material sorting screen of claim 5 wherein said overhead feed conveyor is detachable through translation of a protuberance along an open-ended slot.

9. The material sorting screen of claim 8 wherein said vibrating screen is fixed to said screen base.

10. The material sorting screen of claim 9 further comprising a second conveyor tube-in-tube support leg which comprises a second outer tube and a second inner tube.

11. A material sorting screen comprising:
a screen coupled to a base; which base is coupled at one end to a base mainframe;
an overhead feed conveyor configured to provide material to be screened to the screen at a plurality of operating angles;
said overhead feed conveyor is coupled to the base via the base to a first conveyor tube-in-tube support leg which comprises a first outer tube and a first inner tube; and
a maintenance link which is coupled, through a connection, between the first outer tube and the first inner tube, so that when said maintenance link is coupled to the first outer tube, and the screen is lowered, a combined length of the base to the first conveyor tube-in-tube support leg is more than it would be if the screen were lowered to a horizontal position without coupling the maintenance link.

12. The material sorting screen of claim 1 further comprising: a source of hydraulic power disposed between and configured to cause relative motion between said base and said base mainframe.

13. The material sorting screen of claim 2 wherein said screen is free of any hydraulic and electric components which provide power to cause relative motion between said base and said overhead feed conveyor, other than said source of hydraulic power disposed between and configured to cause relative motion between said base and said base mainframe.

14. The material sorting screen of claim 3 further comprising: a removable maintenance link pin used for coupling said maintenance link to said first outer tube.

15. The material sorting screen of claim 4 wherein an output end of said overhead feed conveyor is detachably coupled to said base.

16. The material sorting screen of claim 4 wherein said overhead feed conveyor is detachable through translation of a protuberance along an open-ended slot.

17. The material sorting screen of claim 3 wherein said base mainframe to conveyor support is rigidly coupled to said base mainframe.

18. The material sorting screen of claim 5 wherein said overhead feed conveyor is detachable through translation of a protuberance along an open-ended slot.

19. The material sorting screen of claim 8 wherein said screen is fixed to said screen base.

20. The material sorting screen of claim 19 further comprising a second conveyor tube-in-tube support leg which comprises a second outer tube and a second inner tube.

Assignees

• Terex Usa Llc

Inventors

• Kruse Jordan
• Reed Christopher Laurence
• Mumm Ryan Anthony

Classifications

• B07B13/18

  Control · CPC title

• B07B1/46

  Constructional details of screens in general; Cleaning or heating of screens · CPC title

• B07B1/28

  Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens · CPC title

• B07B1/005 Primary

  Transportable screening plants · CPC title