DE117990C - - Google Patents

Info

Publication number
DE117990C
DE117990C DENDAT117990D DE117990DC DE117990C DE 117990 C DE117990 C DE 117990C DE NDAT117990 D DENDAT117990 D DE NDAT117990D DE 117990D C DE117990D C DE 117990DC DE 117990 C DE117990 C DE 117990C
Authority
DE
Germany
Prior art keywords
clockwork
lever
alarm
spring
rotated
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.)
Active
Application number
DENDAT117990D
Other languages
German (de)
English (en)
Publication of DE117990C publication Critical patent/DE117990C/de
Active legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/20Checking timed patrols, e.g. of watchman

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
DENDAT117990D Active DE117990C (https=)

Publications (1)

Publication Number Publication Date
DE117990C true DE117990C (https=)

Family

ID=387219

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT117990D Active DE117990C (https=)

Country Status (1)

Country Link
DE (1) DE117990C (https=)

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