Touch probe comprising a switch with contacts protected by...

Details Touch probe comprising a switch with contacts protected by... Touch probe comprising a switch with contacts protected by...

2007-01-30

2007-01-30

Guadalupe-McCall, Yaritza (Department: 2859)

Geometrical instruments

Gauge

Movable contact probe, per se

C033S558000

Reexamination Certificate

active

10530350

ABSTRACT:
A touch probe with an arm (13) coupled to a movable arm-set (3) supported in a casing (1) includes an electric switch (31) with a housing (33) fixed to the casing and a mechanical transmission device (61) for mechanically transmitting displacements of the arm, and causing the disengagement of a conductive small ball (51) from two stationary conductive bars (44,45), thereby opening an electric detecting circuit. At the interior of the probe casing, a sealingly closed chamber houses the switch and is filled with inert gas, for example nitrogen, for protecting the electric contacts.

REFERENCES:
patent: 4577416 (1986-03-01), Franz
patent: 4789762 (1988-12-01), Miller et al.
patent: 5299360 (1994-04-01), Possati et al.
patent: 5319858 (1994-06-01), Coy
patent: 7051577 (2006-05-01), Komninos
patent: 2005/0268478 (2005-12-01), Baruchello et al.
patent: 2006/0162176 (2006-07-01), Lummes et al.
patent: 2 145 523 (1985-03-01), None
patent: WO 00/17602 (2000-03-01), None

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