Browse Prior Art Database

DRIVE SHAFT GROUND DEVICE

IP.com Disclosure Number: IPCOM000026353D
Original Publication Date: 1991-Jun-30
Included in the Prior Art Database: 2004-Apr-05
Document File: 2 page(s) / 66K

Publishing Venue

Xerox Disclosure Journal

Abstract

A drive shaft grounding device for use in paper handling subsystems, particularly document feeders or paper drive shafts in paper paths, of electrophotographic printing and copying machines is disclosed. As shown in the Figures, the device comprises a grounded metal cap 10 that fits over the ends of each drive shaft 1 to provide sufficient electrical grounding to prevent static charge accumulation. The cap consists of a flexible rubber seal 2 to keep dust out, a recess 3 to accommodate the end of the drive shaft, an outside conductive metallic casing 4 and a mounting aperture 5 for securing the shaft to a support frame. A similar shaft electrical grounding device was disclosed by Scarlata in the Xerox Disclosure Journal, Vol. 14, No. 5, September/October 1989.

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XEROX DISCLOSURE JOURNAL

DRIVE SHAFT GROUND DEVICE

Proposed Steven W. Baldwin U.S. C1.439/095 Classification

Int. C1. HOlr 04/66

2 3

4

fi

2 4-:

FIG. 1

3 FIG. 2

XEROX DISCLOSURE JOURNAL - Vol. 16, No. 3 May/June 1991 205

4.

FIG. 3

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DRIVE SHAFT GROUND DEVICE(Cont'd)

A drive shaft grounding device for use in paper handling subsystems, particularly document feeders or paper drive shafts in paper paths, of electrophotographic printing and copying machines is disclosed. As shown in the Figures, the device comprises a grounded metal cap 10 that fits over the ends of each drive shaft 1 to provide sufficient electrical grounding to prevent static charge accumulation. The cap consists of a flexible rubber seal 2 to keep dust out, a recess 3 to accommodate the end of the drive shaft, an outside conductive metallic casing 4 and a mounting aperture 5 for securing the shaft to a support frame. A similar shaft electrical grounding device was disclosed by Scarlata in the Xerox Disclosure Journal, Vol. 14, No. 5, September/October


1989.

206 XEROX DISCLOSURE JOURNAL - Vol. 16, No. 3 May/June 1991

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