Impact adjustment in electromagnetic bell - has adjuster spindle with captive tip cover to provide limitation of striker action

Impact adjustment in electromagnetic bell - has adjuster spindle with captive tip cover to provide limitation of striker action

An adjusting mechanism for an electron magnetically actuated warning bell limits the impact of the striker to allow variation of the sound level generated. The adjuster (2) carries a projecting spindle (4) that has an undercut centre section (12, 13) that is retaied by three projecting fingers (5) t...

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Bibliographische Detailangaben
1. Verfasser: Anton, Horst
Format: Patent
Sprache:eng ; ger
Schlagworte:
ACOUSTICS
ACOUSTICS NOT OTHERWISE PROVIDED FOR
METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL
MUSICAL INSTRUMENTS
PHYSICS
SOUND-PRODUCING DEVICES
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Beschreibung
Zusammenfassung:An adjusting mechanism for an electron magnetically actuated warning bell limits the impact of the striker to allow variation of the sound level generated. The adjuster (2) carries a projecting spindle (4) that has an undercut centre section (12, 13) that is retaied by three projecting fingers (5) that are part of a fixed base (1). The end of the spindle is fitted with a spring cap (6). The action of the striker bar (19) is limited by the surfaces (20, 21) which are set to provide a selected sound level.