PINCH ROLL LOADING DESIGN
Original Publication Date: 1987-Dec-31
Included in the Prior Art Database: 2004-Apr-04
Xerox Disclosure Journal
An arrangement is provided for loading an idler roller for frictional engagement with a drive roller in a paper handling device pinch roll. Idler roller 10 is supported for free rotational movement about shaft member 12. The idler roller 10 is supported for engagement with drive roller 14 with torsion springs 16 at either end of shaft member 12. The torsion spring member ends 18 and 20 are anchored in fixed positions and provided with a relatively large deflection angle, approximately in the range of 180" to 2'70". As a result, variations in the position of the idler roller have negligible effect on the loading characteristics between the rollers. The arrangement is particularly useful in its space saving characteristics, particularly when compared with a garter spring system commonly used heretofore for the same purpose.