Magnetic ball-on-belt transport

Details Magnetic ball-on-belt transport Magnetic ball-on-belt transport

1997-06-25

1999-06-22

Royer, William J.

Electrophotography

Having particular structure

Modular or displaceable

271273, 399388, G03G 1500

Patent

active

059151498

ABSTRACT:
A ball-on-belt transport includes a belt with a steel ball positioned on top of the belt and a magnet on the back side of the belt with the ball forming a nip with the belt to provide necessary normal force against a conveyed sheet and thereby allowing easy lateral pulling of sheets in clearing jams from the nip. Alternatively, a steel ball is retained while in contact with a belt to apply a normal force to a sheet on the belt equal to the weight of the steel ball. The ball is encased in a housing that is surrounded by a solenoid coil such that when current is applied to the coil, it acts as a solenoid and raises the ball off the belt surface and thus releases the nip pressure.

REFERENCES:
Xerox Disclosure Journal, vol. 8, No. 1, Jan./Feb., p. 25, 1983.
Xerox Disclosure Journal, vol. 9, No. 1, Jan./Feb. 13, pp. 13 and 14, 1984.

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