Fill-up indication arrangement for a vacuum cleaner

Details Fill-up indication arrangement for a vacuum cleaner Fill-up indication arrangement for a vacuum cleaner

1981-10-22

1983-12-13

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

55274, 55DIG34, 116268, A47L 919, G01L 708

Patent

active

044197829

ABSTRACT:
A fill-up indication arrangement for a vacuum cleaner includes a diaphragm adapted to move up and down in response to a pressure build-up in the vacuum cleaner and an indicator disc connected to the diaphragm through a pivotable gear sector and a stop on the indicator disc, which stop engages with the teeth of the gear sector when the indicator disc takes its angular position thus indicating that a filter bag contained in the vacuum cleaner is full and should be replaced.

REFERENCES:
patent: 3934543 (1976-01-01), Howard
patent: 4193292 (1980-03-01), Simonsson
patent: 4195383 (1980-04-01), Leinfelt
patent: 4330900 (1982-05-01), Dorr et al.

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