Apparatus for applying vibratory motion to a flexible planar mem

Details Apparatus for applying vibratory motion to a flexible planar mem Apparatus for applying vibratory motion to a flexible planar mem

1993-11-29

1994-10-18

Royer, William J.

Photocopying

Contact printing

Light boxes

355271, G03G 1514

Patent

active

053573242

ABSTRACT:
An apparatus for enhancing transfer of a developed toner image from an image bearing member to a support substrate 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 toner release enhancing system includes a resonator for applying vibratory energy to the image bearing member to facilitate toner release therefrom, a vacuum source, including a vacuum plenum substantially enclosing the resonator and defining an opening adjacent the image bearing member, wherein the vacuum source provides sufficient force at the vacuum plenum opening to draw the image bearing member toward the resonator, and a replaceable coupling cover for mounting on the vacuum plenum, in alignment with the opening defined thereby, to couple the resonator to the image bearing member. The replaceable resonator coupling cover of the present invention provides a simple, and inexpensive replaceable protective coupling attachment for extending the functional life of the resonator, and in particular, the horn thereof and also tends to optimize the region in which vibratory energy is delivered to the image bearing member by dampening the vibration of the belt outside of the transfer region, resulting in a focused area of vibration.

REFERENCES:
patent: 4111546 (1978-09-01), Maret
patent: 4987456 (1991-01-01), Snelling et al.
patent: 5016055 (1991-05-01), Pietrowski et al.
patent: 5081500 (1992-01-01), Snelling

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