Browse Prior Art Database

DUAL FUNCTION PHOTORECEPTOR BELT GROUNDING AND SENSING BLOCK ASSEMBLY

IP.com Disclosure Number: IPCOM000026770D
Original Publication Date: 1993-Aug-31
Included in the Prior Art Database: 2004-Apr-06
Document File: 4 page(s) / 95K

Publishing Venue

Xerox Disclosure Journal

Abstract

Disclosed and shown in Figure 1 is grounding and sensing block assembly that combines the functions of grounding photoreceptor belt 3 moving in direction 5 while detecting the passage of the belt's seam (not shown). Hole 6 in a segment of the ground strip 4 provides a means to signal the passage of the photoreceptor belt seam. Grounding block assembly 7 has metal spring contact 8 that rides on ground strip 4. Spring contact 8 provides a grounding function when it comes into contact with backup plate 9 located under the photoreceptor ground strip when hole 6 passes therebetween. The contact made by plate 9 and contacts 8 provides the signal that indicates the position of the photoreceptor belt seam. The contact signal is output to a control circuit (not shown) through buffer circuit 10 an example of which is shown in detail in Figure 2.

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Page 1 of 4

XEROX DISCLOSURE JOURNAL

DUAL FUNCTION PHOTORECEPTOR BELT GROUNDING AND SENSING BLOCK ASSEMBLY
John W. Prebola

Proposed Classification US. C1.355/245
Int. C1. G03g 15/06

5 /\

BUFFER CIRCUIT

-

  OUTPUT TO CONTROL

CIRCUIT FIG. 1

XEROX DISCLOSURJ3 JOURNAL - VO~. 18, NO. 4 July/August 1993 397

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DUAL FUNCTION PHOTORECEPTOR BELT GROUNDING AND SENSING BLOCK ASSEMBLY (Cont'd)

FIG. 2

398 XEROX DISCLOSURE JOURNAL - VO~. 18, NO. 4 July/August 1993

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Page 3 of 4

DUAL FUNCTION PHOTORECEPTOR BELT GROUNDING AND SENSING BLOCK ASSEMBLY (Cont'd)

Disclosed and shown in Figure 1 is grounding and sensing block assembly that combines the functions of grounding photoreceptor belt 3 moving in direction 5 while detecting the passage of the belt's seam (not shown). Hole 6 in a segment of the ground strip 4 provides a means to signal the passage of the photoreceptor belt seam. Grounding block assembly 7 has metal spring contact 8 that rides on ground strip 4. Spring contact 8 provides a grounding function when it comes into contact with backup plate 9 located under the photoreceptor ground strip when hole 6 passes therebetween. The contact made by plate 9 and contacts 8 provides the signal that indicates the position of the photoreceptor belt seam. The contact signal is output to a control circuit (not shown) through buffer circuit 10 an example of which is shown in detail...