Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates
Patent
1980-07-14
1982-12-14
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Plural ranges, scales or registration rates
324103R, G01R 1508, G01R 1916
Patent
active
043640095
ABSTRACT:
A clutch mechanism for time of day watthour meter dial registers includes a clutch mechanism having a driving part continuous driven by a rotating measuring element so that it is freely rotatable when the clutch is open and a clutch driven part which is shiftable between clutch open and clutch closed positions by a lever arm which further arrests rotation of the clutch driving part during the clutch open position.
REFERENCES:
patent: 2132256 (1938-10-01), Cameron
patent: 2139821 (1938-12-01), Greenwood et al.
patent: 2246185 (1941-06-01), Pratt
patent: 2285882 (1942-06-01), Anderson et al.
patent: 2830269 (1958-04-01), Truesdell
patent: 2997147 (1961-08-01), Bilz
patent: 3406338 (1968-10-01), Benbow
patent: 3913014 (1975-10-01), Halstead et al.
patent: 4307341 (1981-12-01), Benbow
Benbow Eugene C.
Halstead Kenneth G.
Converse, Jr. Robert E.
Karlsen Ernest F.
Westinghouse Electric Corp.
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