English/metric indicator unit

Details English/metric indicator unit English/metric indicator unit

1974-08-23

1976-04-06

Queisser, Richard C.

Signals and indicators

Alarms

Fluid flow

116DIG47, B23Q 1700

Patent

active

039482081

ABSTRACT:
A conversion unit for attachment to a machine tool constructed to operate normally in English units of measurement so that the machine tool may be used directly in metric units, or vice versa. The unit comprises an externally toothed gear wheel which may be fitted to a screw of the machine tool to turn with it, and an internally annular gear eccentrically mounted to mesh with the other gear, the number of teeth on the gears being chosen so that the correct conversion ratio is produced, the measurements being readable from graduated scales.

REFERENCES:
patent: 3536031 (1970-10-01), Sindall
patent: 3651780 (1972-03-01), Medhurst
patent: 3714924 (1973-02-01), Jankowski et al.

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