Figure 4a DOOR LIFT: Two NEG'ATOR springs counterbalance a 20 pound door, completely eliminating
bulky external counterweights.
Figure 4b CARRIAGE RETURN: A compact NEG'ATOR spring is employed in this business machine to
provide unvarying return force throughout the 14 inch travel of the carriage.
Figure 4c DOCUMENT SORTER: A NEG'ATOR spring keeps constant pressure on data processing cards in
this automatic document sorter.
Figure 4d TRANSMITTING MOTION: NEG'ATOR springs, used as oscillating motion transmitters, provide
smooth quiet operation, long cycle life and eliminate gear backlash.
Figure 4e MOTOR BRUSH SPRINGS: NEG'ATOR brush springs improve the performance of electric motors.
They provide constant brush pressure to commutators and slip rings, decrease brush wear, burning and
ring scoring. Plus they offer excellent tracking at high speeds.
Figure 4f PRINTED TAPES: Read-out information is printed on a NEG'ATOR tape and stored on two take-up
bushings. The coils are self-storing and offer no resistance to input motion.
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