Geometrical instruments – Gauge – Movable contact probe – per se
Patent
1993-08-24
1995-03-07
Wirthlin, Alvin
Geometrical instruments
Gauge
Movable contact probe, per se
33556, G01B 500
Patent
active
053946189
ABSTRACT:
A multiple coordinate feeler apparatus, comprising a housing, a feeler arm axially projecting beyond the housing, the feeler arm having a feeler ball formed at the free end thereof and being axially displaceably supported in the housing and being supported at the housing universally rotatable up to a predetermined maximum angle by a spherical joint of a ring seat formed in a housing plate and of a spherical joint head formed at the feeler arm and rotatably supported on the ring seat, a slide being supported by the spherical joint head and being slidable in the housing against the force of a return spring, the slide being coupled with an indicating means indicating the sliding quantity of the slide, the joint head being liftable out of the ring seat by the axial displacement of the feeler arm. For stabilizing the joint head in its ring seat the joint head is formed as a spherical segment, on which a tilting disk is formed which is tiltably axially supported by its circular peripheral edge at the slide, the tilting disk projecting radially beyond the joint head.
REFERENCES:
patent: 3250012 (1966-05-01), Hilton et al.
patent: 3660906 (1972-05-01), Zimmerman
patent: 4815214 (1989-03-01), Enderle et al.
patent: 4941266 (1990-07-01), Bissegger et al.
Haff & Schneider Werkzeug- und Geratebau GmbH & Co. KG
Wirthlin Alvin
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