Photocopying – Contact printing – Light boxes
Patent
1994-10-31
1996-05-14
Royer, William J.
Photocopying
Contact printing
Light boxes
228 11, 310321, G03G 1514
Patent
active
055172911
ABSTRACT:
An apparatus for enhancing toner release from an image bearing member in an electrostatographic printing machine, including a resonator suitable for generating vibratory energy arranged in line contact with the back side of the image bearing member for uniformly applying vibratory energy to the image bearing member. The resonator includes a piezoelectric transducer and a horn-type waveguide assembly, wherein an adhesive epoxy augmented with a substantial concentration of electrically conductive, free flowing particulate bead elements is used to bond the horn and piezoelectric transducer element together, without the requirement of a backing plate or bolts. The conductive beads resolve bond layer thickness anomalies while eliminating adhesive flow restrictions such that substantially uniform tip velocity and frequency output can be achieved.
REFERENCES:
patent: 3653758 (1972-04-01), Trimner et al.
patent: 4111546 (1978-09-01), Maret
patent: 4666547 (1987-05-01), Snowden, Jr. et al.
patent: 4713572 (1987-12-01), Bokowski
patent: 4764021 (1988-08-01), Eppes
patent: 4987456 (1991-01-01), Snelling et al.
Montfort David B.
Radulski Charles A.
Robitaille Denis A.
Royer William J.
Xerox Corporation
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