DE447927C - Device for preventing the sound of electromagnetic resonance spring drives - Google Patents

Device for preventing the sound of electromagnetic resonance spring drives

Info

Publication number
DE447927C
DE447927C DEM94372D DEM0094372D DE447927C DE 447927 C DE447927 C DE 447927C DE M94372 D DEM94372 D DE M94372D DE M0094372 D DEM0094372 D DE M0094372D DE 447927 C DE447927 C DE 447927C
Authority
DE
Germany
Prior art keywords
sound
preventing
spring drives
electromagnetic resonance
resonance spring
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
DEM94372D
Other languages
German (de)
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.)
OTTO MUCK DIPL ING
Original Assignee
OTTO MUCK DIPL ING
Publication date
Priority to DEM94372D priority Critical patent/DE447927C/en
Application granted granted Critical
Publication of DE447927C publication Critical patent/DE447927C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00Electromagnetic relays
    • H01H51/30Electromagnetic relays specially adapted for actuation by ac
    • H01H51/32Frequency relays; Mechanically-tuned relays

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromechanical Clocks (AREA)

Description

Abb. i.Fig.i.

Abb. 2.Fig. 2.

Claims (1)

Patentanspruch:Claim: Einrichtung zur Verhütung des Tönens elektromagnetischer Resonanzfederaiitriebe, dadurch gekennzeichnet, daß die stimmgabelartig als Doppelfedern ausgebildeten Resonanzfedern mit Riefen an den Knotenlinien versehen und an diesen Stellen zwischen schneidenartig ausgebildeten Einspannstücken eingespannt sind.Device for preventing the sound of electromagnetic resonance spring drives, characterized in that the tuning fork-like resonance springs are designed as double springs and have grooves on the nodal lines provided and at these points between cutting edge-shaped Clamping pieces are clamped.
DEM94372D Device for preventing the sound of electromagnetic resonance spring drives Expired DE447927C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM94372D DE447927C (en) Device for preventing the sound of electromagnetic resonance spring drives

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM94372D DE447927C (en) Device for preventing the sound of electromagnetic resonance spring drives

Publications (1)

Publication Number Publication Date
DE447927C true DE447927C (en) 1927-07-30

Family

ID=7322694

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM94372D Expired DE447927C (en) Device for preventing the sound of electromagnetic resonance spring drives

Country Status (1)

Country Link
DE (1) DE447927C (en)

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