Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Demand – excess – maximum or minimum
Patent
1979-12-11
1981-12-22
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Demand, excess, maximum or minimum
192 20, 192 89A, G01R 1916, F16D 1900
Patent
active
043073417
ABSTRACT:
A clutch mechanism for watt demand meter registers includes a clutch driving part continuously driven by a rotating measuring element so as to be freely rotatable when the clutch is open. The driving part is mounted between a clutch driven part and a clutch closing part which clamps the clutch parts together when the clutch mechanism is closed.
REFERENCES:
patent: 1405927 (1922-02-01), Lauth
patent: 1985422 (1934-12-01), Pearlman
patent: 2259314 (1941-10-01), Lewis et al.
patent: 2859924 (1958-11-01), Sarah
patent: 3406338 (1968-10-01), Benbow
patent: 3913014 (1975-10-01), Halstead et al.
Benbow Eugene C.
Halstead Kenneth G.
Karlsen Ernest F.
Lackey D. R.
Westinghouse Electric Corp.
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