Patent ID: 8689983

Claim:
A bead sorting device for attachment to a vacuum port, comprising: a first casing member having a first casing first end, a first casing second end, a first casing airflow passageway extending from said first casing first end to said first casing second end, and a first filter across said first casing airflow passageway; wherein said first filter blocks objects that are greater than a first size; said first casing member defining a first casing first portion having an interior profile along a first portion of said first casing airflow passageway that starts at said first casing first end and defining a first casing second portion having an exterior profile along a second portion of said first casing airflow passageway that starts at said first casing second end; wherein said interior profile of said first casing first portion and said exterior profile of said first casing second portion are substantially the same; a second casing member having a second casing first end, a second casing second end, a second casing airflow passageway extending from said second casing first end to said second casing second end, and a second filter across said second casing airflow passageway; wherein said second filter blocks objects that are greater than a second size, said second size unique from said first size; said second casing member defining a second casing second portion having an interior profile along a first portion of said second casing airflow passageway that starts at said second casing second end and defining a second casing second portion having an exterior profile along a second portion of said second casing airflow passageway that starts at said second casing second end; wherein said interior profile of said second casing second portion and said exterior profile of said second casing second portion are substantially the same; wherein said first casing second portion is receivable within said second casing first portion; a vacuum port casing member having a vacuum port casing first end, a vacuum port casing second end, and a vacuum port casing airflow passageway extending from said vacuum port casing first end to said vacuum port casing second end; said vacuum port casing member defining a first vacuum port configured for connecting to said vacuum port and defining a vacuum port first portion nestable with one of said first casing first portion and said second casing second portion; wherein said first casing member, said second casing member, and said vacuum port casing member are all in a fixed relation interference fit with one another when said first casing second portion is received within said second casing first portion and said vacuum port first portion is nested with one of said first casing first portion and said second casing second portion.