Browse Prior Art Database

BELT TENSION ADJUSTMENT MECHANISM

IP.com Disclosure Number: IPCOM000025807D
Original Publication Date: 1988-Apr-30
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 79K

Publishing Venue

Xerox Disclosure Journal

Abstract

A belt photoreceptor may be supported in tension within a copier with a compression screen cammed into position with levers, as in the Xerox 9000 family copiers. There is, however, no provision for adjustment or to measure tension. Variability results from part tolerances.

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XEROX DISCLOSURE JOURNAL

BELT TENSION ADJUSTMENT MECHANISM
James C. Strossman

Proposed Classification
U.S. c1.355/3 Int. C1. G03g 15/00

I \ c 5 22

I

I

12

A belt photoreceptor may be supported in tension within a copier with a compression screen cammed into position with levers, as in the Xerox 9000 family copiers. There is, however, no provision for adjustment or to measure tension. Variability results from part tolerances.

The tension adjustment scheme shown in the Figure works in a fashion similar to a bar type torque wrench. The hotoreceptor is supported within

tensioning of the hotoreceptor is controlled through steering and tensioning

tensioning of the yoke, through the photoreceptor module casting I0 to slide
16. Slide 16 connects tension arm 18 to the steering and tensioning yoke for control thereof. Tension arm 18 is supported for deflecting movement about fulcrum 20, and includes an integral scale extension 22 adjacent its operator deflectable end. Fixedly supported on fulcrum 10 is a pointer 24. As tension arm 18 is deflected in the direction indicated by the arrow A, the amount of deflection is indicated by pointer 24 along scale 22. Tension can be relieved by lifting am 18 and manipulating stop screw 24, supported in casting 10 in stop 26 which biases the arm in direction A. Adjustment is achieved by turning the stop screw until the desired force is indicated on scale 22. An extension shaft may be added to the tension arm for additional leverage,

the...