Classifying – separating – and assorting solids – Sifting – Elements
Reexamination Certificate
2006-12-26
2006-12-26
Matecki, Kathy (Department: 3654)
Classifying, separating, and assorting solids
Sifting
Elements
C209S399000, C209S395000, C209S403000
Reexamination Certificate
active
07152743
ABSTRACT:
A screening assembly10includes at least one rail14to be secured to a support member of a screening machine. At least one locating formation16extends from an operatively upper surface of the rail14. Each locating formation16includes a catch member32. The assembly10further includes a plurality of screening modules12, each screening module12having an end supported on the rail14. A pair of modules12lie in end-to-end abutting relationship with the abutting ends overlying the rail14so that the catch member32of each locating formation16protrudes beyond an upper surface of the screening modules12. Further, a locking member18engages the catch member32of the locating formation16for locking the pair of modules12with respect to each other and with respect to the rail14.
REFERENCES:
patent: 4670136 (1987-06-01), Schmidt et al.
patent: 5361911 (1994-11-01), Waites et al.
patent: 5377846 (1995-01-01), Askew
patent: 6253926 (2001-07-01), Woodgate
patent: A-62147/96 (1997-06-01), None
International Search Report of Jan. 28, 2003 from Australian Patent Office.
Eeles John William
Johnson Leslie Ronald
Olsen Peter Martin
Greenberg & Traurig, LLP
Matecki Kathy
Matthews Terrell
Weatherford International, Inc.
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