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FLEXIBLE ROLL SHELL

IP.com Disclosure Number: IPCOM000023118D
Original Publication Date: 1976-Oct-31
Included in the Prior Art Database: 2004-Mar-27
Document File: 2 page(s) / 243K

Publishing Venue

Xerox Disclosure Journal

Abstract

In developing electrostatic images on an imaging surface 1 flexible sleeves or rolls 2 may be employed, which have located therewithin magnetic field producing elements 3. The magnetic field holds a developing material 4 to the surface of the rolls, while rotation of the rolls moves the material into contact with the electrostatic image to be developed0

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XEROX DISCLOSURE JOURNAL

FLEXIBLE ROLL SHELL Proposed Classification
Joseph Zelazny TJ~s, CL 118/637
mt. CL B05b 5/02

In developing electrostatic images on an imaging surface
1 flexible sleeves or rolls 2 may be employed, which
have located therewithin magnetic field producing elements
3. The magnetic field holds a developing material 4 to
the surface of the rolls, while rotation of the rolls
moves the material into contact with the electrostatic
image to be developed

0

While the sleeves are stationary, Fig

                               0 1, the diameter
of the sleeves 2 is such that the development material 4
is held away from the surface of imaging surface 1. Upon
rotation of sleeves, Fig. 2, the centrifugal force in-~
creases the diameter of rolls to the extent necessary
to bring the developer material into contact with the surface 1. The rolls retrack to their original position upon stopping. Thus, the development process may be
controlled by starting and stopping the rotation of the
rolls 2. Any suitable rubber or flexible material may
be employed.

Another advantage resulting from the use of a flexible
material for development rolls is illustrated in Fig. 3.
By bending and flexing in situations where machine
tolerances are not met, flow blockages and/or copy quality
defects may be reduced.

/

4

PIG. I PIG. 2 PIG, 3

Volume 1 Numbers 9/10 September/October 1976 13

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14 XEROX DISCLOSURE JOURNAL

Volume 1 Numbers 9/10 September/October 1976

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