Low lateral force drive roller system

Details Low lateral force drive roller system Low lateral force drive roller system

1990-12-20

1991-12-03

Pendegrass, Joan H.

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Contact printing

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2989521, 291214, 198843, 474189, G03G 1500

Patent

active

050703650

ABSTRACT:
A apparatus in which lateral movement of a moving belt is controlled so that the belt moves in a predetermined path. The apparatus includes dual oppositely wound, helical springs having a rectangular cross-section with a high friction material extruded thereon. The springs are mounted on a shaft with an adhesive.

REFERENCES:
patent: 1660538 (1924-09-01), Whitney
patent: 3273696 (1966-09-01), Thurston
patent: 3713348 (1973-01-01), Conrad et al.
patent: 3859865 (1975-01-01), Conrad
patent: 3972414 (1976-08-01), Conrad
patent: 4140216 (1979-02-01), Conrad
patent: 4221480 (1980-09-01), Spehrley, Jr.
patent: 4832186 (1989-05-01), Conrad

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