US931604A - Signal device. - Google Patents

Signal device. Download PDF

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Publication number
US931604A
US931604A US39674907A US1907396749A US931604A US 931604 A US931604 A US 931604A US 39674907 A US39674907 A US 39674907A US 1907396749 A US1907396749 A US 1907396749A US 931604 A US931604 A US 931604A
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US
United States
Prior art keywords
support
signal device
recess
opening
contact
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
Application number
US39674907A
Inventor
Henry J Heeney
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HOLTZER-CABOT ELECTRIC Co
HOLTZER CABOT ELECTRIC CO
Original Assignee
HOLTZER CABOT ELECTRIC CO
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HOLTZER CABOT ELECTRIC CO filed Critical HOLTZER CABOT ELECTRIC CO
Priority to US39674907A priority Critical patent/US931604A/en
Application granted granted Critical
Publication of US931604A publication Critical patent/US931604A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/02—Mechanical actuation of the alarm, e.g. by the breaking of a wire
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/022—Emergency operating parts, e.g. for stop-switch in dangerous conditions
    • H01H2003/0233—Emergency operating parts, e.g. for stop-switch in dangerous conditions for alarm triggering, e.g. fire alarm, emergency off switches operated by breaking a glass

Definitions

  • a signaling device comprising :t closed cese; :i support of insulating materiel Within the ease; nornuii-iy separated contnet springs mounted on the buck of said support; n spring actuated bridging piece adapted to bridge said Contact springs; :L destruetible wall holding said bridging piece out or" bridging Contact; an lopening' through the cest; an opening through the insulating snpport in aiinenient therewith and Wit-h one of the contaet springs; a projection of conduct ing material extending from the other contuet spring into n recess in the front of the support adjacent to said opening; and a testing keyhaving a shank adapted to extend through said opening :ind a lateral projection adapted to be brought into engagementwith Suid project-ion when the key is turned.

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)

Description

H. J. HEENEY.
SIGNAL DEVICE.
APPLIGATION FILED 0012.10, 1907,
9313604, Patented Aug. 17, 1909. f
BREAK THE inuiiy closed by :i willi portion oi easily deslructible material such us glass; a support oi insulating nuitcrisii within the euse, Said support having n recess extending inward :troni the front, und nn opening of Smaller diameter nt the bottom of seid recess; Contact springs mounted on the back of said support; :t bridging piece overlying said Contact springs, and mounted on a stem projecting through seid support into Contact With thel destructible wail port-ion; and :t spring contained in the recess to draw the bridging piece into eontuct with the Contact springs upon the destruction of said Well.
Q. A signaling device comprising :t closed cese; :i support of insulating materiel Within the ease; nornuii-iy separated contnet springs mounted on the buck of said support; n spring actuated bridging piece adapted to bridge said Contact springs; :L destruetible wall holding said bridging piece out or" bridging Contact; an lopening' through the cest; an opening through the insulating snpport in aiinenient therewith and Wit-h one of the contaet springs; a projection of conduct ing material extending from the other contuet spring into n recess in the front of the support adjacent to said opening; and a testing keyhaving a shank adapted to extend through said opening :ind a lateral projection adapted to be brought into engagementwith Suid project-ion when the key is turned. In testimony whereof, I have signed my nznne to this specification in the presence of two subscribing Witnesses.
IiENRY J. HEENEY.
y Wvitnesses:
E.v ConnLNnr, JAsfJ. MALoNnY.
US39674907A 1907-10-10 1907-10-10 Signal device. Expired - Lifetime US931604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US39674907A US931604A (en) 1907-10-10 1907-10-10 Signal device.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39674907A US931604A (en) 1907-10-10 1907-10-10 Signal device.

Publications (1)

Publication Number Publication Date
US931604A true US931604A (en) 1909-08-17

Family

ID=3000028

Family Applications (1)

Application Number Title Priority Date Filing Date
US39674907A Expired - Lifetime US931604A (en) 1907-10-10 1907-10-10 Signal device.

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US (1) US931604A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512315A (en) * 1947-11-28 1950-06-20 Westinghouse Electric Corp Emergency electrical control device
US2652463A (en) * 1950-12-27 1953-09-15 Levy Morris Automatic and manually operated multiple switch fire alarm station

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2512315A (en) * 1947-11-28 1950-06-20 Westinghouse Electric Corp Emergency electrical control device
US2652463A (en) * 1950-12-27 1953-09-15 Levy Morris Automatic and manually operated multiple switch fire alarm station

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