GB191947A - Improvements in or relating to electrical bell or the like indicators - Google Patents

Improvements in or relating to electrical bell or the like indicators

Info

Publication number
GB191947A
GB191947A GB4422A GB4422A GB191947A GB 191947 A GB191947 A GB 191947A GB 4422 A GB4422 A GB 4422A GB 4422 A GB4422 A GB 4422A GB 191947 A GB191947 A GB 191947A
Authority
GB
United Kingdom
Prior art keywords
indicators
relating
bar
electrical bell
bell
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
GB4422A
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 GB4422A priority Critical patent/GB191947A/en
Publication of GB191947A publication Critical patent/GB191947A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/02—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using mechanical transmission

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)

Abstract

191,947. Railing, M. J., Saunders, C. W., and Collings, J. H. Jan. 3, 1922. Falling-flap indicators.-A depending replace,- ment bar A journaled in brackets C, C<1> is swung by the engagement of a cam G on the operating shaft F with a roller E<2> on a projection E on the bar. Two or more indicators may be replaced at the same time by means of links J. Specification 169,535 is referred to.
GB4422A 1922-01-03 1922-01-03 Improvements in or relating to electrical bell or the like indicators Expired GB191947A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4422A GB191947A (en) 1922-01-03 1922-01-03 Improvements in or relating to electrical bell or the like indicators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4422A GB191947A (en) 1922-01-03 1922-01-03 Improvements in or relating to electrical bell or the like indicators

Publications (1)

Publication Number Publication Date
GB191947A true GB191947A (en) 1923-01-25

Family

ID=9697365

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4422A Expired GB191947A (en) 1922-01-03 1922-01-03 Improvements in or relating to electrical bell or the like indicators

Country Status (1)

Country Link
GB (1) GB191947A (en)

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