Photocopying – Contact printing – Light boxes
Patent
1994-04-25
1995-06-27
Moses, R. L.
Photocopying
Contact printing
Light boxes
492 9, 271314, G03G 2100
Patent
active
054284376
ABSTRACT:
A roll member, typically for use in a sheet transport system, including a body portion that is susceptible to wear, wherein a visually distinguishable wear indicator is provided for indicating a predetermined amount of wear in the body of the roll member.
REFERENCES:
patent: Re30518 (1981-02-01), French
patent: 2706509 (1955-04-01), White
patent: 3578055 (1971-05-01), French et al.
patent: 3808658 (1974-05-01), Looney
patent: 3814160 (1974-06-01), Creasey
patent: 4149797 (1979-04-01), Imperial
patent: 4287649 (1981-09-01), Kohler
patent: 5142760 (1992-09-01), Bell
patent: 5342037 (1994-08-01), Martin
Statutory Invention Registration No. H1283 Inventor: Porto et al.-Published Feb. 1, 1994.
Baldwin Steven W.
Carter Daniel L.
Scarlata Richard F.
Moses R. L.
Robitaille Denis A.
Xerox Corporation
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