Internal sliding baffles for controlling air flow in a...

Details Internal sliding baffles for controlling air flow in a... Internal sliding baffles for controlling air flow in a...

2011-06-21

2011-06-21

Karmis, Stefanos (Department: 3653)

Sheet feeding or delivering

Delivering

By pneumatic conveyor

C271S276000, C271S196000, C271S096000, C271S094000, C271S194000

Reexamination Certificate

active

07963522

ABSTRACT:
A vacuum control assembly for use in an image production device is provided. The assembly has a plenum having a vacuum inlet; a perforated plate fluidly connected to the plenum, the perforated plate having a plurality of perforations; a baffle plate connected to an inside of the plenum such that the baffle plate can slide relative to the perforated plate and can pivot relative to the perforated plate; and a protrusion on the inside of the plenum. The baffle plate is capable of sliding relative to the perforated plate between a closed position and an open position, the closed position being where the baffle plate causes the vacuum inlet to be fluidly connected to a first plurality of the perforations, and the open position being where the baffle plate is pivoted away from the perforated plate, causing the vacuum inlet to be fluidly connected to a maximum number of the perforations. The maximum number is greater than the first plurality, and the baffle plate is pivoted into the open position by coming in contact with the protrusion.

REFERENCES:
patent: 3845950 (1974-11-01), Kuzniak
patent: 4411420 (1983-10-01), Louis et al.
patent: 6357869 (2002-03-01), Rasmussen et al.
patent: 6672720 (2004-01-01), Smith

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