DUAL FUNCTION PHOTORECEPTOR BELT GROUNDING AND SENSING BLOCK ASSEMBLY
Original Publication Date: 1993-Aug-31
Included in the Prior Art Database: 2004-Apr-06
Xerox Disclosure Journal
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.