Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1990-07-30
1992-03-31
Ruehl, Charles A.
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
7386208, G01L 2500
Patent
active
050996789
ABSTRACT:
A Torque Tool Calibrating Machine comprising an elongate torque tool engaging transducer including a strain gauge and mounted on a turning axis; an electronic analyzer connected with the gauge and operating to analyze, translate and display the voltage drop across it in torque force units and to emit a control voltage when it operates to display a predetermined maximum units of force, a manually driven gear transmission to turn the transducer including drive and driven gear wheels, a turntable supported on said turning axis and coupled with the transducer, an elongate lever arm projecting radially from the turntable and drivingly coupled with the transmission to selectively rotate the arm, table and transducer clockwise and counterclockwise, and a locking mechanism selectively operable to lock one of the gears against clockwise or counterclockwise rotation and including solenoid-acutated latch units with pawls that engage the gear when the solenoids are energized; a controller circuit connected between the analyzer and the units and directing operating currents through the solenoids when the analyzer emits a control voltage.
REFERENCES:
patent: 2706903 (1955-04-01), Livermont
patent: 3364725 (1968-01-01), Grabovac
patent: 4470312 (1984-09-01), Thompson
Grabovac Bosko
Kurtovic Jadranka
Kurtovic Zlatko
Consolidated Devices, Inc
Maxwell Georges A.
Ruehl Charles A.
Shopbell E. L.
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