초록 ▼

An adjustable orifice trommel having an elongated body rotatable about an axis, an entry for insertion of particulate material, and an exit for retrieving screened material. The trommel includes a plurality of flat inner plates, each inner plate having a plurality of openings. An outer plate is prov

An adjustable orifice trommel having an elongated body rotatable about an axis, an entry for insertion of particulate material, and an exit for retrieving screened material. The trommel includes a plurality of flat inner plates, each inner plate having a plurality of openings. An outer plate is provided for each inner plate slidable axially in relation to the inner plate, each outer plate having a plurality of openings matable with the inner plate openings so that moving the outer plate with respect to the inner plate will vary the size of the orifices.

대표청구항 ▼

An adjustable orifice trommel having an elongated body rotatable about an axis, an entry for insertion of particulate material and an exit for retrieving screened material, which trommel comprises: means to rotate said elongated body about said axis including motor means to rotate at least one wheel

An adjustable orifice trommel having an elongated body rotatable about an axis, an entry for insertion of particulate material and an exit for retrieving screened material, which trommel comprises: means to rotate said elongated body about said axis including motor means to rotate at least one wheel which frictionally engages said elongated body; a plurality of openings in said elongated body, each said body opening having four equal sides and four right angles and wherein said angles are adjacent to angles of an adjacent opening; and at least one outer portion slidable axially in relation to said body, each outer portion having a plurality of openings matable with said body openings so that moving said outer portion will vary the size of orifices formed with said orifices formed always having four equal sides and four right angles.