Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Reexamination Certificate
2008-07-30
2011-12-27
Crawford, Gene (Department: 3651)
Conveyors: power-driven
Conveyor section
Reciprocating conveying surface
C198S750200, C198S750300, C198S750500
Reexamination Certificate
active
08083052
ABSTRACT:
Movable conveyor slats (12) have side parts (42, 44) which rest on top parts (32) of bearings (30). The bearings (30) have a generally U-shaped cross section and they fit on wings (16, 18) which extend outwardly and slope upwardly from the sides of a fixed conveyor slat (10). The movable slats (12) have web (48, 50) and lower flange portions (52, 54) which with the side parts (42, 44) form laterally outwardly opening channels. The wings (16, 18) and the bearings (30) are received within the channels (56, 58).
REFERENCES:
patent: 4856645 (1989-08-01), Hallstrom, Jr.
patent: 4966275 (1990-10-01), Hallstrom, Jr.
patent: 6782994 (2004-08-01), Foster
patent: 2008/0023300 (2008-01-01), Foster
Drago James Prentice
Thomas John
Crawford Gene
Cumbess Yolanda
Kaser Bruce A.
Keith Mfg. Co.
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