GB891349A - An alarum clock switch attachment - Google Patents

An alarum clock switch attachment

Info

Publication number
GB891349A
GB891349A GB2737659A GB2737659A GB891349A GB 891349 A GB891349 A GB 891349A GB 2737659 A GB2737659 A GB 2737659A GB 2737659 A GB2737659 A GB 2737659A GB 891349 A GB891349 A GB 891349A
Authority
GB
United Kingdom
Prior art keywords
alarum
clock switch
switch attachment
alarm
aug
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
Application number
GB2737659A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2737659A priority Critical patent/GB891349A/en
Publication of GB891349A publication Critical patent/GB891349A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C21/00—Producing acoustic time signals by electrical means
    • G04C21/16—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times
    • G04C21/20—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm
    • G04C21/22—Producing acoustic time signals by electrical means producing the signals at adjustable fixed times by closing a contact to ring an electromechanical alarm put into action by the arbor of a mechanical alarm work

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Electric Clocks (AREA)

Abstract

891,349. Clocks. DAWKINS, H. W. Aug. 10, 1960 [Aug. 11, 1959], No. 27376/59. Class 139. An electric switch attachment for an alarm clock comprises a switch fixed by a bracket a to the clock case and having a hook k adapted to engage a threaded member on the alarm spring winding spindle so that on rotation of said spindle by the alarm spring the hook is freed to allow a loading spring to actuate the switch.
GB2737659A 1959-08-11 1959-08-11 An alarum clock switch attachment Expired GB891349A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2737659A GB891349A (en) 1959-08-11 1959-08-11 An alarum clock switch attachment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2737659A GB891349A (en) 1959-08-11 1959-08-11 An alarum clock switch attachment

Publications (1)

Publication Number Publication Date
GB891349A true GB891349A (en) 1962-03-14

Family

ID=10258607

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2737659A Expired GB891349A (en) 1959-08-11 1959-08-11 An alarum clock switch attachment

Country Status (1)

Country Link
GB (1) GB891349A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389635A (en) * 1980-11-12 1983-06-21 A-T-O, Inc. Interfacing attachment for remote mechanical fire alarms

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4389635A (en) * 1980-11-12 1983-06-21 A-T-O, Inc. Interfacing attachment for remote mechanical fire alarms

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