Detector device for filter bags for vacuum cleaners

Brushing – scrubbing – and general cleaning – Machines – With air blast or suction

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Details

15339, 553856, 55378, 55DIG2, 96423, A47L 928

Patent

active

059078863

ABSTRACT:
A detector device for filter bags in vacuum cleaners which comprises a sensor device adapted to sense a tabular or plate-like connection member of such vacuum cleaner filter bag and switching means controlled by the sensor device for preventing switching-on of the motor of the vacuum cleaner if the connection member is not properly detected. The electronic sensor device is adapted to sense at least one detectable element in or on the connection member by electromagnetic waves and is connected with the switching means by a processing device for checking the correct position and correct type of the at least one detectable element. This means that it is not only possible to check for the presence of a filter bag in the vacuum cleaner but furthermore to discriminate whether same is correctly fitted and is of the right type for the said vacuum cleaner so that impairment of and damage to the vacuum cleaner by mounting the wrong type of filter bag is prevented.

REFERENCES:
patent: 2839156 (1958-06-01), Martinec
patent: 2860725 (1958-11-01), Cawl et al.
patent: 4001912 (1977-01-01), Eriksson
patent: 4184225 (1980-01-01), Leinfelt
patent: 4245370 (1981-01-01), Baker
patent: 4766639 (1988-08-01), Lindquist et al.

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