| 摘要 |
A screening device including a screen having a first side for presentation to material to be screened and a second side, a plurality of screen openings in the screen extending between the first and second side thereof, a plurality of tines mounted on a support device disposed on the second side of the screen, each tine being moveable in a first direction along a path at least part of which includes one of the screen openings whereby the tine is receivable in and moveable along the screen opening, the tine extending beyond the first side of the screen for at least part of the movement thereof along the screen opening, the tines being moveably mounted on the support device for deflection away from said first direction while continuing to move in said first direction upon encountering an obstruction.
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