Electronic tracer unit for measuring machines

Details Electronic tracer unit for measuring machines Electronic tracer unit for measuring machines

1977-06-08

1979-06-26

Truhe, J. V.

Electrical transmission or interconnection systems

Switching systems

Plural switches

307119, 200 6141, 200 6142, 318578, 318656, 318672, H01H 3500

Patent

active

041594290

ABSTRACT:
A tracer unit for use with measuring machines is described.
The main feature of this tracer unit is to comprise a plurality of tracer tools, each of which is provided with a rod arranged to come into contact with a surface to be scanned, a movable body connected to said rod, a fixed body, first means which supply a first signal either when said movable body leaves the position of equilibrium relative to said fixed body or when said movable body passes through a determined position relative to said fixed body, and second means arranged to indicate from which of the various tracer tools said first signal is originated.

REFERENCES:
patent: 3628052 (1971-12-01), Mitchell
patent: 3819047 (1974-06-01), Sorbie
patent: 4023045 (1977-05-01), Migliardi et al.

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