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Expired
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Charles Ingrey
John Bartlett
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Publication of GB190919206ApublicationCriticalpatent/GB190919206A/en
Non-Portable Lighting Devices Or Systems Thereof
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Abstract
19,206. Ingrey, C., and Bartlett, J. Aug. 20. Actuating valves.-An apparatus for lighting and extinguishing street lamps &c. by an increase of gas pressure comprises a diaphragm d adapted to operate toggle-levers l, l<1> and cranks m, m<1> so as to produce an increase of leverage, and a vertical guide, the levers actuating a bar p carrying a roller q<1> which acts on alternate sides of a rocking tumbler s to overthrow a weighted fall-over lever r alternately in opposite directions, and thereby to open and close a gas valve u. The mechanism is exposed to the atmosphere, and is free from the action of the gas.
GB190919206D1909-08-201909-08-20Improvements in Apparatus for Lighting and Extinguishing Gas.
ExpiredGB190919206A
(en)