FAULT INDICATOR APPARATUS FOR VACUUM CLEANERS

FAULT INDICATOR APPARATUS FOR VACUUM CLEANERS

The piston (4) is held against a projection (6) in the housing (1) by a helical compression spring (5) when both sides of the piston are equal. When the cleaner is activated a reduced pressure is generated on one side (7) of the piston moving it beneath the viewing lens (3) and window (2).

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Bibliographische Detailangaben
Hauptverfasser: MICHAELIS, ANDRE, HAMM, SILVIO
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
COFFEE MILLS
DOMESTIC ARTICLES OR APPLIANCES
DOMESTIC WASHING OR CLEANING
FURNITURE
HUMAN NECESSITIES
SPICE MILLS
SUCTION CLEANERS IN GENERAL
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Beschreibung
Zusammenfassung:The piston (4) is held against a projection (6) in the housing (1) by a helical compression spring (5) when both sides of the piston are equal. When the cleaner is activated a reduced pressure is generated on one side (7) of the piston moving it beneath the viewing lens (3) and window (2).