Collision protective arrangement for the measuring arm of a coor

Details Collision protective arrangement for the measuring arm of a coor Collision protective arrangement for the measuring arm of a coor

1996-09-13

1999-06-08

Gutierrez, Diego

Geometrical instruments

Gauge

Coordinate movable probe or machine

901 49, G01B 5004

Patent

active

059099380

ABSTRACT:
The invention is directed to a collision protective arrangement for a measuring arm of a coordinate measuring apparatus for measuring a workpiece. The measuring arm has a surface facing toward the workpiece. The collision protective arrangement includes a part for covering and protecting the surface; and, a circuit switchable between a first electrical state wherein no contact is present between the part and the workpiece and a second electrical state indicative of a collision between the workpiece and the part. The surface of the measuring arm and the part conjointly define an interface and the circuit includes a plurality of resiliently-biased contact pins and contacts mounted at the interface to coact to switch the circuit into the second electrical state when the collision takes place.

REFERENCES:
patent: 5038488 (1991-08-01), Abramowsky et al.
patent: 5269068 (1993-12-01), Seitz
patent: 5396712 (1995-03-01), Herzog

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