DE91547C - - Google Patents

Info

Publication number
DE91547C
DE91547C DENDAT91547D DE91547DA DE91547C DE 91547 C DE91547 C DE 91547C DE NDAT91547 D DENDAT91547 D DE NDAT91547D DE 91547D A DE91547D A DE 91547DA DE 91547 C DE91547 C DE 91547C
Authority
DE
Germany
Prior art keywords
barrier
crank
bell
hand
weight
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
DENDAT91547D
Other languages
German (de)
English (en)
Publication of DE91547C publication Critical patent/DE91547C/de
Active legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/243—Transmission mechanism or acoustical signals for gates

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
DENDAT91547D Active DE91547C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE91547C true DE91547C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=363165

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT91547D Active DE91547C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE91547C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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