Mobile screening apparatus
First Claim
Patent Images
1. A mobile screening apparatus that comprises:
- a support chassis;
a screening assembly carried on the support chassis, the screening assembly having a plurality of screen decks, said plurality of screen decks including a top screen deck, a first intermediate screen deck, a second intermediate screen deck, and a bottom screen deck; and
a primary feed conveyor and at least one secondary feed conveyor;
wherein;
the primary conveyor and the at least one secondary conveyor are configured for arrangement in communication with a feed end of at least one of the screen decks to feed material to be screened onto the at least one of the screen decks at a feed end of the screening assembly; and
the apparatus includes a transfer conveyor assembly that is configured for arrangement in communication with a discharge end of the screening assembly and that includes;
a first set of two transfer conveyors that are transversely oriented with respect to a feed direction andconfigured to receive product from the top screen deck and the first intermediate screen deck, respectively;
a second set of two transfer conveyors that are configured to receive product from the second intermediate deck and the bottom screen deck, respectively; and
two intermediate conveyors that are configured for transferring product from the second intermediate screen deck and the bottom screen deck, respectively, to the transfer conveyors of the second set of two transfer conveyors.
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Abstract
A mobile screening apparatus includes a support chassis. The support chassis is configured for carrying at least one screening assembly having a top screen deck and at least one further screen deck below the top screen deck. At least at least one primary feed mechanism is configured for arrangement in communication with any one or more of the top and further screen decks to feed material to be screened onto said any one or more of the top and further screen decks.
24 Citations
10 Claims
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1. A mobile screening apparatus that comprises:
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a support chassis; a screening assembly carried on the support chassis, the screening assembly having a plurality of screen decks, said plurality of screen decks including a top screen deck, a first intermediate screen deck, a second intermediate screen deck, and a bottom screen deck; and a primary feed conveyor and at least one secondary feed conveyor;
wherein;the primary conveyor and the at least one secondary conveyor are configured for arrangement in communication with a feed end of at least one of the screen decks to feed material to be screened onto the at least one of the screen decks at a feed end of the screening assembly; and the apparatus includes a transfer conveyor assembly that is configured for arrangement in communication with a discharge end of the screening assembly and that includes; a first set of two transfer conveyors that are transversely oriented with respect to a feed direction and configured to receive product from the top screen deck and the first intermediate screen deck, respectively; a second set of two transfer conveyors that are configured to receive product from the second intermediate deck and the bottom screen deck, respectively; and two intermediate conveyors that are configured for transferring product from the second intermediate screen deck and the bottom screen deck, respectively, to the transfer conveyors of the second set of two transfer conveyors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of screening material with a mobile screening apparatus, the mobile screening apparatus comprising:
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a support chassis; a screening assembly carried on the support chassis, the screening assembly having a plurality of screen decks, said plurality of screen decks including a top screen deck, a first intermediate screen deck, a second intermediate screen deck, and a bottom screen deck; and a primary feed conveyor and at least one secondary feed conveyor wherein; the primary conveyor and the at least one secondary conveyor are configured for arrangement in communication with a feed end of at least one of the screen decks to feed material to be screened onto the at least one of the screen decks at a feed end of the screening assembly; and the apparatus includes a transfer conveyor assembly that is configured for arrangement in communication with a discharge end of the screening assembly and that includes; a first set of two transfer conveyors that are transversely oriented with respect to a feed direction and configured to receive product from the top screen deck and the first intermediate screen deck, respectively; a second set of two transfer conveyors that are configured to receive product from the second intermediate screen deck and the bottom screen deck, respectively; and two intermediate conveyors that are configured for transferring product from the second intermediate screen deck and the bottom screen deck, respectively, to the transfer conveyors of the second set of two transfer conveyors; the method including the step of conveying material to be screened to said at least one primary feed conveyor.
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Specification