Selection element housing for incremental measuring apparatus

Details Selection element housing for incremental measuring apparatus Selection element housing for incremental measuring apparatus

1983-11-30

1984-07-17

Little, Willis

Geometrical instruments

Area integrators

Electrical

356374, 250237G, H01J 314

Patent

active

044597517

ABSTRACT:
An improvement is disclosed for an incremental measuring apparatus of the type which includes a graduation and a plurality of reference marks on a scale, in which selection elements are provided to allow individual ones of the reference marks to be selected to go into operation during the measuring process. The selection element is mounted within a housing which includes at least one clamping element which operates to clamp the housing in position in a guide groove extending along the measuring scale. The combination of the housing and the clamping element operates to clamp the selection element securely in place in alignment with the selected reference mark.

REFERENCES:
patent: 4101764 (1978-07-01), Nelle
patent: 4363964 (1982-12-01), Schmitt
patent: 4385836 (1983-05-01), Schmitt

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