Screening apparatus with improved screen media
AssigneeTerex GB Limited
InventorGlenn Murphy
Life of this patent
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Abstract
A screening apparatus comprising a body, a drive system for imparting vibrations to the body, and screen media that is coupled to the body by a resilient coupling mechanism that allows oscillatory movement of the screen media with respect to the body. In response to vibration of the body, the resilient coupling mechanism causes the screen media to oscillate in a manner that is amplified with respect to the vibration of the body. The amplification may depend on the frequency of the vibrations of the body and/or on the mass of any material gathered on the screen media.
Claims19
A screening apparatus for screening material, the apparatus comprising:
- a body;
- a drive system coupled to the body for imparting vibrations to the body;
- and
- screen media, wherein said screen media is provided in at least one screening module, said at least one screening module comprising a base, said screen media projecting from the base and having a free end distal the base, and wherein the base is coupled to the body by a resilient coupling mechanism that allows oscillatory movement of the base and the screen media with respect to the body, wherein said resilient coupling mechanism comprises first and second parts, the first part coupling a first side of the screen media to the body, the second part coupling a second side of the screen media to the body, wherein each of said first and second coupling parts comprises a resilient coupling element, and wherein the resilient coupling element of the first and second coupling parts project from opposite sides of said body wherein at least one of said first and second coupling parts includes an adjustable connector for coupling the respective resilient coupling element to the screen media.
A screening apparatus comprising a body, a drive system coupled to the body for imparting vibrations to the body, and screen media, wherein said screen media is coupled to the body by a resilient coupling mechanism that allows oscillatory movement of said screen media with respect to said body, wherein said resilient coupling mechanism comprises first and second parts, the first part coupling a first side of the screen media to the body, the second part coupling a second side of the screen media to the body, wherein each of said first and second coupling parts comprises a resilient coupling element, and wherein the resilient coupling element of the first and second coupling parts project from opposite sides of said body wherein at least one of said first and second coupling parts includes an adjustable connector for coupling the respective resilient coupling element to the screen media, and wherein the adjustable connector is movable along the respective resilient coupling element in order to adjust the location at which the resilient coupling element is coupled to the screen media.
A screening apparatus comprising a body, a drive system coupled to the body for imparting vibrations to the body, and screen media, wherein said screen media is coupled to the body by a resilient coupling mechanism that allows oscillatory movement of said screen media with respect to said body, wherein said resilient coupling mechanism comprises first and second parts, the first part coupling a first side of the screen media to the body, the second part coupling a second side of the screen media to the body, wherein each of said first and second coupling parts comprises a resilient coupling element, and wherein the resilient coupling element of the first and second coupling parts project from opposite sides of said body wherein at least one of said first and second coupling parts includes means for adjusting the resilience of said resilient coupling mechanism.
Dependencies are inferred from the claim text.