Centering device for a mechanical tracer

Details Centering device for a mechanical tracer Centering device for a mechanical tracer

1993-11-15

1995-04-11

Cuchlinski, Jr., William A.

Geometrical instruments

Gauge

Movable contact probe, per se

33556, G01B 503, G01B 703

Patent

active

054046505

ABSTRACT:
A centering device for a mechanical tracer, with a flexural bar and at least two centering systems. Each centering system includes a pair of pistons which act on the flexural bar in opposite directions. A stop for one piston of each pair is provided, such that the piston bearing against the stop exerts, at least near the state of rest, twice as high a return force as the second piston of the pair. At least two centering systems are provided in order to impart different force/path characteristics to the tracer.

REFERENCES:
patent: 2876553 (1959-03-01), Tomkow
patent: 3009252 (1961-11-01), Py
patent: 3945124 (1976-03-01), Jacoby et al.
patent: 4679332 (1987-07-01), Luethi
patent: 5005297 (1991-04-01), Achnett et al.
patent: 5018278 (1991-05-01), Achnett et al.
patent: 5103572 (1992-04-01), Ricklefs
patent: 5212872 (1993-05-01), Spivey et al.
patent: 5259122 (1993-11-01), Ichiba et al.

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