Inspection door with radiused coaming for dust control

Details Inspection door with radiused coaming for dust control Inspection door with radiused coaming for dust control

2011-06-14

2011-06-14

Deuble, Mark A (Department: 3651)

Conveyors: power-driven

Conveyor frame or casing

Casing, cover, shield or load supporting surface

C193S034000, C049S398000, C049S401000, C049S402000, C049S483100

Reexamination Certificate

active

07958992

ABSTRACT:
A dust control inspection door has its door frame formed of frame elements each with a flat outer portion against the associated shroud, and with the seal flange or coaming radiused 90 degrees. The edge of the seal flange or coaming is perpendicular to the door to engage the gasket or seal bead, and is at zero degrees to the frame flat portions, so there is no angled bend line and no weak zones. The coaming is free of any horizontal surfaces on which dust may collect.

REFERENCES:
patent: 1789069 (1931-01-01), Gove
patent: 3259078 (1966-07-01), Radey et al.
patent: 4177736 (1979-12-01), Przybylinski et al.
patent: 4363350 (1982-12-01), Beckerer
patent: 6827025 (2004-12-01), Gaydos et al.
patent: 7003850 (2006-02-01), Gaydos et al.
patent: 7028629 (2006-04-01), Walcome
patent: 7735620 (2010-05-01), Swinderman
Tsubaki Conveyor of America, Inc., One-Touch Inspection Door, product sheet, Summer 2010.

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