Pinch roller assembly

Details Pinch roller assembly Pinch roller assembly

1986-09-29

1988-11-01

Hartary, Joseph W.

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Record receivers and/or driving means therefor

Web

G01D 1528

Patent

active

RE0327751

ABSTRACT:
An easily adjustable and automatically aligning pinch roller assembly for use in a graphics plotter. A movable carriage hangs from a supplemental inverted T-shaped track below the main carriage track of the plotter. The pinch roller is pivotally attached to an arm from the carriage. A leaf spring on the carriage pulls the carriage loosely into positional alignment with the pinch roller aligned with the drum while allowing translational movement easily. A second bias spring urges the pinch roller down and the carriage into gripping engagement with the supplemental track with sufficient force to prevent translational movement thereof. A release bar holds the pinch roller off the drum and releases the gripping force to allow the carriage to be slid for adjustment.

REFERENCES:
patent: 1150345 (1915-08-01), Dennis
patent: 3233807 (1966-02-01), Wray
patent: 4514740 (1985-04-01), Funiwara

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