US1607948A - Thermostatic alarm device - Google Patents
Thermostatic alarm device Download PDFInfo
- Publication number
- US1607948A US1607948A US748024A US74802424A US1607948A US 1607948 A US1607948 A US 1607948A US 748024 A US748024 A US 748024A US 74802424 A US74802424 A US 74802424A US 1607948 A US1607948 A US 1607948A
- Authority
- US
- United States
- Prior art keywords
- alarm device
- seid
- mercury
- screw
- thermostatic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 5
- 229910052753 mercury Inorganic materials 0.000 description 5
- 102100026933 Myelin-associated neurite-outgrowth inhibitor Human genes 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- KRTSDMXIXPKRQR-AATRIKPKSA-N monocrotophos Chemical compound CNC(=O)\C=C(/C)OP(=O)(OC)OC KRTSDMXIXPKRQR-AATRIKPKSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/04—Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure
Definitions
- INVENTOR ATTORNEY means connected to Said screw to indicate the temperature et which tire seid oet will close the seid switch for each adgnstment of the seid screw, characterized by seid screw being' provided neer its lie-ed with vertically spaced radial llunges, oet/Ween which projects one und 'the horizontal erm of e beil mani; that is fulcruined to e board, tbe other ern; of this crank being in the form of e pointer that extends u Werds, and registers with nn indicating see e on the said beard.
Description
Nov. 23 1926.
,607,948 J. GRABOWSKI THERMOSTAT C ALARM DEVI CE Filed Nov. 6, 1924 INVENTOR ATTORNEY means connected to Said screw to indicate the temperature et which tire seid oet will close the seid switch for each adgnstment of the seid screw, characterized by seid screw being' provided neer its lie-ed with vertically spaced radial llunges, oet/Ween which projects one und 'the horizontal erm of e beil mani; that is fulcruined to e board, tbe other ern; of this crank being in the form of e pointer that extends u Werds, and registers with nn indicating see e on the said beard.
The combination in n device of the class described 1gnoviuled with en adjusting screw bearing on the fienible bottom member of a ineicnry-iilled receptacle, with e float supported by the mercury, und nligned to close e Switch upon the expanding, by beating, or :said mercury, of vertically spaced radial tinnges integral with said adjusting screw, e bell crank lever fulcrumed to a board, heving its horizontal erin projecting between seid flanges, and its other arm in the form Lemme of a pointer extending upwards, and regis- 1toerin with an indicating scale on the'said OST 3., The combination in u. device of the class described provided 'with an adjusting screw bearing on the leXible bottom member of a mercury-filled receptacle, with a. float supported by the mercury, and aligned to close a. switch upon the expanding, by heating, of Said mercury, ofvertically spaced radia ianges integral with seid ad'usting screw,l
whereof I `have affixed my JOHN GRAisoWsKr.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US748024A US1607948A (en) | 1924-11-06 | 1924-11-06 | Thermostatic alarm device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US748024A US1607948A (en) | 1924-11-06 | 1924-11-06 | Thermostatic alarm device |
Publications (1)
Publication Number | Publication Date |
---|---|
US1607948A true US1607948A (en) | 1926-11-23 |
Family
ID=25007655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US748024A Expired - Lifetime US1607948A (en) | 1924-11-06 | 1924-11-06 | Thermostatic alarm device |
Country Status (1)
Country | Link |
---|---|
US (1) | US1607948A (en) |
-
1924
- 1924-11-06 US US748024A patent/US1607948A/en not_active Expired - Lifetime
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