Fluid operated self aligning roller

Details Fluid operated self aligning roller Fluid operated self aligning roller

2006-09-26

2006-09-26

Bidwell, James R. (Department: 3651)

Conveyors: power-driven

Conveyor section

Endless conveyor

C198S810030

Reexamination Certificate

active

07111724

ABSTRACT:
A pressurized bladder system is associated with a first roller. In one embodiment, the conveyor belt extends around the roller which is automatically centered by the bladder. In alternate embodiments, the first roller is positioned adjacent an impression roller with the bladder operable to control the positioning of the first roller relative to the impression roller.

REFERENCES:
patent: 3751122 (1973-08-01), Dubay
patent: 4976342 (1990-12-01), Hwang
patent: 5117969 (1992-06-01), Roth
patent: 5808645 (1998-09-01), Reeves et al.
patent: 5833106 (1998-11-01), Harris
patent: 5833171 (1998-11-01), Harris
patent: 5899321 (1999-05-01), El-Ibiary
patent: 6668526 (2003-12-01), Schmidt
patent: 6981583 (2006-01-01), Donnenhoffer
patent: 2003/0220036 (2003-11-01), Lee et al.
patent: 0 522 262 (1993-01-01), None

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